905 lines
208 KiB
XML
905 lines
208 KiB
XML
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<mods:title id="701E474DD6FC45C02A5157233BBDFEBB">Anatomical redescription of Cyrenoida floridana (Bivalvia, Cyrenoididae) from the Western Atlantic and its position in the Cyrenoidea</mods:title>
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<mods:namePart id="6470B09B06822E700B674220F34328CE">Valentas-Romera, Barbara L.</mods:namePart>
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<mods:namePart id="A04D07CA2BE65B76906C9255971FCD3D">Simone, Luiz R. L.</mods:namePart>
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<mods:namePart id="E3666730940E52B68B3D28B08FB6E9AA">Mikkelsen, Paula M.</mods:namePart>
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<treatment id="A20A38E730DD59E4BD4C7351C2E73B71" ID-GBIF-Taxon="159841040" LSID="urn:lsid:plazi:treatment:A20A38E730DD59E4BD4C7351C2E73B71" httpUri="http://treatment.plazi.org/id/A20A38E730DD59E4BD4C7351C2E73B71" lastPageNumber="517" pageId="0" pageNumber="517" scope_class="Bivalvia" scope_family="Cyrenoididae" scope_superFamily="Cyrenoidea">
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<subSubSection id="FB5471F6EEE98D2168D866DBB4FF24CA" pageId="0" pageNumber="517" type="nomenclature">
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<paragraph id="E7CEC8D622A5374852E13966690EF92F" pageId="0" pageNumber="517">
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<taxonomicName id="03F42B68FD8EBF1D60E6F8DEE173F60E" ID-CoL="33JJZ" LSID="A20A38E7-30DD-59E4-BD4C-7351C2E73B71" authority="Dall, 1896" authorityName="Dall" authorityYear="1896" class="Bivalvia" family="Cyrenoididae" genus="Cyrenoida" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cyrenoida floridana" order="Venerida" pageId="0" pageNumber="517" phylum="Mollusca" rank="species" species="floridana">Cyrenoida floridana (Dall, 1896)</taxonomicName>
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<figureCitation id="FE788C58BE53968BB1BA4B205736B20A" captionStart="Figures 1–10" captionStartId="F1" captionText="Figures 1 - 10. Syntypes of Cyrenoida floridana and lectotype of C. guatemalensis. 1 - 4. Cyrenoida floridana (USNM 46846, length 12 mm, height 13 mm). 1. Left valve, external view; 2. Right valve, external view; 3. Left valve, internal view; 4. Right valve, internal view; 5 - 10. Cyrenoida guatemalensis (ANSP 107532; length 8.6 mm, height 8.9 mm). 5. Left valve, external view; 6. Right valve, external view; 7. Left valve, internal view; 8. Right valve, internal view; 9. Detail of left hinge; 10. Detail of right hinge. Scale bar: 2 mm." figureDoi="10.3897/zse.95.38456.figures1-10" httpUri="https://binary.pensoft.net/fig/350195" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures1-10">Figs 1-10</figureCitation>
|
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,
|
||
<figureCitation id="BB7116F94A1C354FCCBD960460A37256" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">11-24</figureCitation>
|
||
,
|
||
<figureCitation id="3423B736C9973D4E34AA9E619C69F47E" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">25-34</figureCitation>
|
||
,
|
||
<figureCitation id="707DC2543F5084BE449E88D74EE12199" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">35-41</figureCitation>
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</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="E65B5466F0E3608008F36EECA78CE9AC" pageId="0" pageNumber="517" type="reference_group">
|
||
<paragraph id="96B3181A5415342A8F1B41918CFC54BB" pageId="0" pageNumber="517">
|
||
<taxonomicName id="3184D8FE220EF7C3CCDBA9250CD49A15" class="Bivalvia" family="Cyrenoididae" genus="Cyrenoidea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cyrenoidea floridana" order="Venerida" pageId="0" pageNumber="517" phylum="Mollusca" rank="species" species="floridana">Cyrenoidea floridana</taxonomicName>
|
||
<bibRefCitation id="DB89B4E2BF51B5728128046A7DDA721D" author="Dall, WH" journalOrPublisher="The Nautilus" pageId="0" pageNumber="517" pagination="51 - 52" publicationUrl="https://www.biodiversitylibrary.org/page/27056368" refId="B25" refString="Dall, WH, 1896. On the American species of Cyrenoidea. The Nautilus 10: 51 - 52" title="On the American species of Cyrenoidea." url="https://www.biodiversitylibrary.org/page/27056368" volume="10" year="1896">Dall 1896</bibRefCitation>
|
||
: 52;
|
||
<bibRefCitation id="98F0FABA7BC98330A62AF64F6CF1534D" author="Simpson, CT" journalOrPublisher="Malacologia" pageId="0" pageNumber="517" publicationUrl="https://biodiversitylibrary.org/page/14051104" refId="B83" refString="Simpson, CT, 1887-1889. . https://biodiversitylibrary.org/page/14051104" url="https://biodiversitylibrary.org/page/14051104" year="1887 - 1889">Simpson 1887-1889</bibRefCitation>
|
||
: 66 [nomen nudum];
|
||
<bibRefCitation id="1BD0CF27F3871F0151F1706BCB9A5EDA" DOI="https://doi.org/10.5962/bhl.title.25891" author="Dall, WH" journalOrPublisher="Bulletin of the United States National Museum" pageId="0" pageNumber="517" pagination="1 - 121" refId="B24" refString="Dall, WH, 1889. A preliminary catalogue of the shell-bearing marine mollusks and brachiopods of the southeastern coast of the United States, with illustrations of many of the species. Bulletin of the United States National Museum 37: 1 - 121" title="A preliminary catalogue of the shell-bearing marine mollusks and brachiopods of the southeastern coast of the United States, with illustrations of many of the species." url="https://doi.org/10.5962/bhl.title.25891" volume="37" year="1889">Dall 1889</bibRefCitation>
|
||
: 50, 208 [nomen nudum];
|
||
<bibRefCitation id="130429C91A2F9CF35224F117C261D7D8" author="Rhoads, SN" journalOrPublisher="The Nautilus" pageId="0" pageNumber="517" pagination="43 - 48" publicationUrl="https://biodiversitylibrary.org/page/42799943" refId="B77" refString="Rhoads, SN, 1899. Annotated list of land and fresh-water shells recently collected in the vicinity of Miami, Florida. The Nautilus 13: 43 - 48" title="Annotated list of land and fresh-water shells recently collected in the vicinity of Miami, Florida." url="https://biodiversitylibrary.org/page/42799943" volume="13" year="1899">Rhoads 1899</bibRefCitation>
|
||
: 48;
|
||
<bibRefCitation id="4CC6B39ED0BAAF6E13445460842A3241" author="Heard, RW" journalOrPublisher="Florida Scientist" pageId="0" pageNumber="517" pagination="20 - 28" publicationUrl="https://www.jstor.org/stable/24319415" refId="B36" refString="Heard, RW, 1975. Feeding habits of White Catfish from a Georgia estuary. Florida Scientist 38: 20 - 28" title="Feeding habits of White Catfish from a Georgia estuary." url="https://www.jstor.org/stable/24319415" volume="38" year="1975">Heard 1975</bibRefCitation>
|
||
: 22;
|
||
<bibRefCitation id="D5183122E0063B76CCDD70369A59D2AE" author="Heard, RW" journalOrPublisher="Florida Scientist" pageId="0" pageNumber="517" publicationUrl="http://gcrl.usm.edu/publications/docs/guide.to.common.tidal.marsh.invertebrates.heard.pdf" refId="B37" refString="Heard, RW, 1982a. . http://gcrl.usm.edu/publications/docs/guide.to.common.tidal.marsh.invertebrates.heard.pdf" url="http://gcrl.usm.edu/publications/docs/guide.to.common.tidal.marsh.invertebrates.heard.pdf" year="1982 a">1982a</bibRefCitation>
|
||
: 23, fig. 24;
|
||
<bibRefCitation id="CE93DC5370DFF13D253A673DB4ADE193" DOI="https://doi.org/10.18785/grr.0702.04" author="Heard, RW" journalOrPublisher="Gulf Research Reports" pageId="0" pageNumber="517" pagination="125 - 135" refId="B38" refString="Heard, RW, 1982b. Observations on the food and food habits of Clapper Rails (Ralluslongirostris Boddaert) from tidal marshes along the east and Gulf coasts of the United States. Gulf Research Reports 7: 125 - 135" title="Observations on the food and food habits of Clapper Rails (Ralluslongirostris Boddaert) from tidal marshes along the east and Gulf coasts of the United States." url="https://doi.org/10.18785/grr.0702.04" volume="7" year="1982 b">1982b</bibRefCitation>
|
||
: 131.
|
||
</paragraph>
|
||
<paragraph id="0D36471923B430DEF3E601F1D78CD5E6" pageId="0" pageNumber="517">
|
||
<taxonomicName id="14171EFE4564DD65B76EE20892D11985" class="Bivalvia" family="Cyrenoididae" genus="Cyrenoida" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cyrenoida floridana" order="Venerida" pageId="0" pageNumber="517" phylum="Mollusca" rank="species" species="floridana">Cyrenoida floridana</taxonomicName>
|
||
-
|
||
<bibRefCitation id="411B8C532687BDE4AABBC9B2FE57E550" DOI="https://doi.org/10.5479/si.00963801.23-1237.779" author="Dall, WH" journalOrPublisher="Proceedings of the United States National Museum" pageId="0" pageNumber="517" pagination="779 - 833" refId="B26" refString="Dall, WH, 1901. Synopsis of the Lucinacea and of the American species. Proceedings of the United States National Museum 23: 779 - 833" title="Synopsis of the Lucinacea and of the American species." url="https://doi.org/10.5479/si.00963801.23-1237.779" volume="23" year="1901">Dall 1901</bibRefCitation>
|
||
: 817, pl. 42, fig. 7;
|
||
<bibRefCitation id="A94E3A96C58BDCBF8463BF5332E0B095" author="Lamy, E" journalOrPublisher="Journal de Conchyliologie" pageId="0" pageNumber="517" pagination="335 - 388" publicationUrl="https://biodiversitylibrary.org/page/16014900" refId="B46" refString="Lamy, E, 1920. Revision des Lucinacea vivants du Museum Naturelle de Paris (4e partie). Journal de Conchyliologie 65: 335 - 388" title="Revision des Lucinacea vivants du Museum Naturelle de Paris (4 e partie)." url="https://biodiversitylibrary.org/page/16014900" volume="65" year="1920">Lamy 1920</bibRefCitation>
|
||
: 388;
|
||
<bibRefCitation id="5396EC9CBDD3AD9F73ED2F801009572E" author="Pilsbry, HA" journalOrPublisher="The Nautilus" pageId="0" pageNumber="517" pagination=": 69" publicationUrl="https://biodiversitylibrary.org/page/8527900" refId="B70" refString="Pilsbry, HA, Zetek, J, 1931. A Panamic Cyrenoida. The Nautilus 45: 69" title="A Panamic Cyrenoida." url="https://biodiversitylibrary.org/page/8527900" volume="45" year="1931">Pilsbry and Zetek 1931</bibRefCitation>
|
||
: 69;
|
||
<bibRefCitation id="02E32FAAD4D8AA600FB438FBA98E2477" DOI="https://doi.org/10.5962/bhl.title.6796" author="Smith, M" journalOrPublisher=", Ann Arbor, MI" pageId="0" pageNumber="517" refId="B84" refString="Smith, M, 1951. East Coast Marine Shells - Descriptions of shore mollusks together with many living below tide mark, from Maine to Texas inclusive, specially Florida. Edward Brothers, Inc., Ann Arbor, MI" title="East Coast Marine Shells - Descriptions of shore mollusks together with many living below tide mark, from Maine to Texas inclusive, specially Florida. Edward Brothers, Inc." url="https://doi.org/10.5962/bhl.title.6796" year="1951">Smith 1951</bibRefCitation>
|
||
: 45 (pl. 16, fig. 11, pl. 18, fig. 8);
|
||
<bibRefCitation id="16F172F94D78517D6EE3129A0A2B63C9" author="Pulley, TE" journalOrPublisher="PhD Thesis, Harvard University, Cambridge" pageId="0" pageNumber="517" refId="B73" refString="Pulley, TE, 1952. A Zoogeographic Study Based on the Bivalves of the Gulf of Mexico. PhD Thesis, Harvard University, Cambridge" title="A Zoogeographic Study Based on the Bivalves of the Gulf of Mexico." year="1952">Pulley 1952</bibRefCitation>
|
||
: 114-115, pl. 9, fig. 15;
|
||
<bibRefCitation id="257840F6FE43D660605DACC24DD921E9" author="Morrison, JPE" journalOrPublisher="The American Malacological Union Annual Report" pageId="0" pageNumber="517" pagination="7 - 10" publicationUrl="https://biodiversitylibrary.org/page/52643290" refId="B62" refString="Morrison, JPE, 1954. Some zoogeographic problems among brackish water mollusks. The American Malacological Union Annual Report 1954: 7 - 10" title="Some zoogeographic problems among brackish water mollusks." url="https://biodiversitylibrary.org/page/52643290" volume="1954" year="1954">Morrison 1954</bibRefCitation>
|
||
: 9-10;
|
||
<bibRefCitation id="16202C64BFDB7879496D47E2752795C3" author="van Regteren Altena, CO" journalOrPublisher="Studies on the Fauna of Suriname and other Guyanas" pageId="0" pageNumber="517" pagination="153 - 179" publicationUrl="http://www.repository.naturalis.nl/record/506274" refId="B4" refString="van Regteren Altena, CO, 1968. The Holocene and Recent marine bivalve Mollusca of Surinam. Studies on the Fauna of Suriname and other Guyanas 10: 153 - 179" title="The Holocene and Recent marine bivalve Mollusca of Surinam." url="http://www.repository.naturalis.nl/record/506274" volume="10" year="1968">van Regteren Altena 1968</bibRefCitation>
|
||
: 157, 176;
|
||
<bibRefCitation id="369444BAD94861ABDD457672CC363932" author="van Regteren Altena, CO" journalOrPublisher="Studies on the Fauna of Suriname and other Guyanas" pageId="0" pageNumber="517" publicationUrl="www.vliz.be/imisdocs/publications/294199.pdf" refId="B5" refString="van Regteren Altena, CO, 1971. . www.vliz.be/imisdocs/publications/294199.pdf" url="www.vliz.be/imisdocs/publications/294199.pdf" year="1971">1971</bibRefCitation>
|
||
: 5, 41, fig. 14;
|
||
<bibRefCitation id="4D503D3C23719F0F43719D07C72730DA" author="Wass, ML" journalOrPublisher="Virginia Institute of Marine Science Special Scientific Report 65, Gloucester Point" pageId="0" pageNumber="517" publicationUrl="https://www.vims.edu/GreyLit/VIMS/ssr065.pdf" refId="B98" refString="Wass, ML, 1972. A Check List of the Biota of Lower Chesapeake Bay, with Inclusions from the Upper Bay and the Virginian Sea. Virginia Institute of Marine Science Special Scientific Report 65, Gloucester Point" title="A Check List of the Biota of Lower Chesapeake Bay, with Inclusions from the Upper Bay and the Virginian Sea." url="https://www.vims.edu/GreyLit/VIMS/ssr065.pdf" year="1972">Wass 1972</bibRefCitation>
|
||
: 123;
|
||
<bibRefCitation id="2AFC92B9D81C811010C7E793E500C047" author="Abbott, RT" journalOrPublisher="Van Nostrand Reinhold Company, New York" pageId="0" pageNumber="517" refId="B1" refString="Abbott, RT, 1974. American Seashells (2nd edn). Van Nostrand Reinhold Company, New York" title="American Seashells (2 nd edn)." year="1974">Abbott 1974</bibRefCitation>
|
||
: 466 (fig. 5383);
|
||
<bibRefCitation id="9B82E3EB642D725BAB8BD6E481502DEF" author="Leathem, W" journalOrPublisher="The Nautilus" pageId="0" pageNumber="517" pagination="93 - 94" publicationUrl="https://biodiversitylibrary.org/page/8276463" refId="B47" refString="Leathem, W, Kinner, P, Mauer, D, 1976. Northern range extension of the Florida marsh clam Cyrenoidafloridana (superfamily Cyrenoidacea). The Nautilus 90: 93 - 94" title="Northern range extension of the Florida marsh clam Cyrenoidafloridana (superfamily Cyrenoidacea)." url="https://biodiversitylibrary.org/page/8276463" volume="90" year="1976">Leathem et al. 1976</bibRefCitation>
|
||
: 93, figs 1-3;
|
||
<bibRefCitation id="E11860DA1FF71F3150B9FDE97C29A8B9" author="Kat, PW" journalOrPublisher="MS Thesis, University of Delaware, Delaware" pageId="0" pageNumber="517" refId="B43" refString="Kat, PW, 1978. The functional morphology and ecology of Cyrenoidafloridana Dall (Bivalvia: Cyrenoididae). MS Thesis, University of Delaware, Delaware" title="The functional morphology and ecology of Cyrenoidafloridana Dall (Bivalvia: Cyrenoididae)." year="1978">Kat 1978</bibRefCitation>
|
||
: 1-168, figs 1-91, tables 1-7; A1-A6;
|
||
<bibRefCitation id="1500ADCD83E69916F5BB426247277725" author="Neck, RW" journalOrPublisher="Texas Conchologist" pageId="0" pageNumber="517" pagination="35 - 39" publicationUrl="https://biodiversitylibrary.org/page/36166096" refId="B65" refString="Neck, RW, Herber, JP, 1981. New state record: Cyrenoidafloridana from the Holocene of southern Texas. Texas Conchologist 17: 35 - 39" title="New state record: Cyrenoidafloridana from the Holocene of southern Texas." url="https://biodiversitylibrary.org/page/36166096" volume="17" year="1981">Neck and Herber 1981</bibRefCitation>
|
||
: 35-39;
|
||
<bibRefCitation id="E2B0D6974AD3FCD9AEFEF8F8359FF64A" author="Kat, PW" journalOrPublisher="Malacologia" pageId="0" pageNumber="517" pagination="47 - 54" publicationUrl="https://biodiversitylibrary.org/page/13112410" refId="B44" refString="Kat, PW, 1982. Reproduction in a peripheral population of Cyrenoidafloridana (Bivalvia: Cyrenoididae). Malacologia 23: 47 - 54" title="Reproduction in a peripheral population of Cyrenoidafloridana (Bivalvia: Cyrenoididae)." url="https://biodiversitylibrary.org/page/13112410" volume="23" year="1982">Kat 1982</bibRefCitation>
|
||
: 47, figs 1-3 (oocytes);
|
||
<bibRefCitation id="139FF75FF6B50385192180E0E533B52B" author="Heard, RW" journalOrPublisher="Florida Scientist" pageId="0" pageNumber="517" publicationUrl="http://gcrl.usm.edu/publications/docs/guide.to.common.tidal.marsh.invertebrates.heard.pdf" refId="B37" refString="Heard, RW, 1982a. . http://gcrl.usm.edu/publications/docs/guide.to.common.tidal.marsh.invertebrates.heard.pdf" url="http://gcrl.usm.edu/publications/docs/guide.to.common.tidal.marsh.invertebrates.heard.pdf" year="1982 a">Heard 1982a</bibRefCitation>
|
||
: 25, fig. 28j;
|
||
<bibRefCitation id="4AF8102857A3D0B37FB8978C3362472C" author="Vokes, HE" journalOrPublisher="Mesoamerican Ecology Institute Monograph 1, Middle American Research Institute Publication 54, Tulane University, New Orleans" pageId="0" pageNumber="517" refId="B97" refString="Vokes, HE, Vokes, EH, 1983. Distribution of Shallow-Water Marine Mollusca, Yucatan Peninsula, Mexico. Mesoamerican Ecology Institute Monograph 1, Middle American Research Institute Publication 54, Tulane University, New Orleans" title="Distribution of Shallow-Water Marine Mollusca, Yucatan Peninsula, Mexico." year="1983">Vokes and Vokes 1983</bibRefCitation>
|
||
: 39, 62, pl. 39, fig. 7;
|
||
<bibRefCitation id="21D910AF083C433E21DB79157BCE3EA7" author="Neck, RW" journalOrPublisher="Texas Memorial Museum, University of Texas, Austin" pageId="0" pageNumber="517" publicationUrl="https://repositories.lib.utexas.edu/bitstream/handle/2152/29907/tmm-pss-41.pdf?sequence=1" refId="B64" refString="Neck, RW, 1985. Paleoecological Implications of a Holocene Fossil Assemblage; Lower Rio Grande, Cameron County, Texas. Pearce-Sellards Series 41. Texas Memorial Museum, University of Texas, Austin" title="Paleoecological Implications of a Holocene Fossil Assemblage; Lower Rio Grande, Cameron County, Texas. Pearce-Sellards Series 41." url="https://repositories.lib.utexas.edu/bitstream/handle/2152/29907/tmm-pss-41.pdf?sequence=1" year="1985">Neck 1985</bibRefCitation>
|
||
: 5;
|
||
<bibRefCitation id="8DF58A784DF5076902040645CA531EDD" DOI="https://doi.org/10.2307/1352179" author="Bishop, TD" journalOrPublisher="Estuaries" pageId="0" pageNumber="517" pagination="141 - 152" refId="B13" refString="Bishop, TD, Hackney, CT, 1987. A comparative study of the mollusc communities of two oligohaline intertidal marshes: spatial and temporal distribution of abundance and biomass. Estuaries 10: 141 - 152" title="A comparative study of the mollusc communities of two oligohaline intertidal marshes: spatial and temporal distribution of abundance and biomass." url="https://doi.org/10.2307/1352179" volume="10" year="1987">Bishop and Hackney 1987</bibRefCitation>
|
||
: 141, fig. 6;
|
||
<bibRefCitation id="1DB79F0F6EE9ABDC23E89589432CFACA" author="Turgeon, DD" journalOrPublisher="16, Bethesda" pageId="0" pageNumber="517" refId="B91" refString="Turgeon, DD, Bogan, AE, Coan, EV, Emerson, WK, Lyons, WG, Pratt, WL, Roper, CFE, Scheltema, A, Thompson, FG, Williams, JD, 1988. Common and Scientific Names of Aquatic Invertebrates from the United States and Canada: Mollusks. American Fisheries Society Special Publication Vol. 16, Bethesda" title="Common and Scientific Names of Aquatic Invertebrates from the United States and Canada: Mollusks. American Fisheries Society Special Publication Vol." year="1988">Turgeon et al. 1988</bibRefCitation>
|
||
: 36;
|
||
<bibRefCitation id="1E34B0DB5A130525F850C82642B4E4A4" author="Turgeon, DD" journalOrPublisher="26, Bethesda" pageId="0" pageNumber="517" refId="B93" refString="Turgeon, DD, Quinn, JFJr, Bogan, AE, Coan, EV, Hochberg, FG, Lyons, WG, Mikkelsen, PM, Neves, RJ, Roper, CFE, Rosenberg, G, Roth, B, Scheltema, A, Thompson, FG, Vecchione, M, Williams, JD, 1998. Common and Scientific Names of Aquatic Invertebrates from the United States and Canada: Nollusks (2nd edn). American Fisheries Society Special Publication Vol. 26, Bethesda" title="Common and Scientific Names of Aquatic Invertebrates from the United States and Canada: Nollusks (2 nd edn). American Fisheries Society Special Publication Vol." year="1998">1998</bibRefCitation>
|
||
: 39;
|
||
<bibRefCitation id="3097150D722E3D8EFC29B97A9D9347FC" author="Camp, DK" journalOrPublisher="Malacological Review, Supplement" pageId="0" pageNumber="517" publicationUrl="http://aquaticcommons.org/id/eprint/124" refId="B16" refString="Camp, DK, Lyons, WG, Perkins, TH, 1998. . http://aquaticcommons.org/id/eprint/124" url="http://aquaticcommons.org/id/eprint/124" year="1998">Camp et al. 1998</bibRefCitation>
|
||
: 11;
|
||
<bibRefCitation id="2DD38586668E09763D402226F958C6C1" author="Abbott, RT" journalOrPublisher="Houghton Mifflin Co., Boston" pageId="0" pageNumber="517" refId="B2" refString="Abbott, RT, Morris, PA, 1995. A Field Guide to Shells of the Atlantic and Gulf Coasts and the West Indies. Houghton Mifflin Co., Boston" title="A Field Guide to Shells of the Atlantic and Gulf Coasts and the West Indies." year="1995">Abbott and Morris 1995</bibRefCitation>
|
||
: 53, pl. 24, fig. 12;
|
||
<bibRefCitation id="78BB59B448AA9A8F8C71955D6CCC37BC" author="Redfern, C" journalOrPublisher="com, Boca Raton" pageId="0" pageNumber="517" refId="B74" refString="Redfern, C, 2001. Bahamian Seashells: A Thousand Species from Abaco, Bahamas. BahamianSeashells. com, Boca Raton" title="Bahamian Seashells: A Thousand Species from Abaco, Bahamas. BahamianSeashells." year="2001">Redfern 2001</bibRefCitation>
|
||
: 219, pl. 92, fig. 898;
|
||
<bibRefCitation id="07E09DD278421698A22DD2CD7691F32D" DOI="https://doi.org/10.1645/GE-102R" author="Reece, KS" journalOrPublisher="Journal of Parasitology" pageId="0" pageNumber="517" pagination="1111 - 1122" refId="B76" refString="Reece, KS, Siddal, ME, Stokes, NA, Burreson, EM, 2004. Molecular phylogeny of the Haplosporidia based on two independent gene sequences. Journal of Parasitology 90: 1111 - 1122" title="Molecular phylogeny of the Haplosporidia based on two independent gene sequences." url="https://doi.org/10.1645/GE-102R" volume="90" year="2004">Reece et al. 2004</bibRefCitation>
|
||
: 1116;
|
||
<bibRefCitation id="81B8F807934288835FAE43CFDFC6B09A" DOI="https://doi.org/10.1144/GSL.SP.2000.177.01.25" author="Mikkelsen, PM" editor="Harper, EM" journalOrPublisher="Geological Society, London, Special Publications" pageId="0" pageNumber="517" pagination="367 - 387" refId="B55" refString="Mikkelsen, PM, Bieler, R, 2000. Marine bivalves of the Florida Keys: discovered biodiversity. In: Harper, EM, Taylor, JD, Crame, JA, Eds., Evolutionary Biology of the Bivalvia. . Geological Society, London, Special Publications 177: 367 - 387" title="Marine bivalves of the Florida Keys: discovered biodiversity." url="https://doi.org/10.1144/GSL.SP.2000.177.01.25" volume="177" volumeTitle="Evolutionary Biology of the Bivalvia." year="2000">Mikkelsen and Bieler 2000</bibRefCitation>
|
||
: 373;
|
||
<bibRefCitation id="BF0DEB3D51D07D20A4341ECC4FCCD710" author="Mikkelsen, PM" journalOrPublisher="Malacologia" pageId="0" pageNumber="517" pagination="503 - 544" publicationUrl="https://biodiversitylibrary.org/page/28113083" refId="B56" refString="Mikkelsen, PM, Bieler, R, 2004a. Marine bivalves of the Florida Keys: a qualitative faunal analysis based on original collections, museum holding and literature data. Malacologia 46: 503 - 544" title="Marine bivalves of the Florida Keys: a qualitative faunal analysis based on original collections, museum holding and literature data." url="https://biodiversitylibrary.org/page/28113083" volume="46" year="2004 a">2004a</bibRefCitation>
|
||
: 513;
|
||
<bibRefCitation id="E8AC6FC91A36BEB3E32058172D694754" author="Mikkelsen, PM" journalOrPublisher="Malacologia" pageId="0" pageNumber="517" pagination="545 - 623" publicationUrl="https://biodiversitylibrary.org/page/28113125" refId="B57" refString="Mikkelsen, PM, Bieler, R, 2004b. Critical catalog and annotated bibliography of marine bivalve records for the Florida Keys. Malacologia 46: 545 - 623" title="Critical catalog and annotated bibliography of marine bivalve records for the Florida Keys." url="https://biodiversitylibrary.org/page/28113125" volume="46" year="2004 b">2004b</bibRefCitation>
|
||
: 596;
|
||
<bibRefCitation id="2EB90A2D2386ED12C4D67B9CE8DB55CD" author="Lee, HG" journalOrPublisher="Jacksonville Shell Club Inc., Jacksonville" pageId="0" pageNumber="517" refId="B48" refString="Lee, HG, 2009. Marine Shells of Northeast Florida. Jacksonville Shell Club Inc., Jacksonville" title="Marine Shells of Northeast Florida." year="2009">Lee 2009</bibRefCitation>
|
||
: 28, fig.;
|
||
<bibRefCitation id="C954808631280235A1A7C726F1A0E01D" pageId="0" pageNumber="517" refId="B92">Turgeon et al. 2009</bibRefCitation>
|
||
: 728;
|
||
<bibRefCitation id="8B450F7F4CC02D51933861236A0028BC" author="Taylor, JD" journalOrPublisher="The Nautilus" pageId="0" pageNumber="517" pagination="9 - 13" publicationUrl="https://biodiversitylibrary.org/page/50438173" refId="B88" refString="Taylor, JD, Glover, EA, Williams, ST, 2009. Phylogenetic position of the bivalve family Cyrenoididae - removal from (and further dismantling of) the superfamily Lucinoidea. The Nautilus 123: 9 - 13" title="Phylogenetic position of the bivalve family Cyrenoididae - removal from (and further dismantling of) the superfamily Lucinoidea." url="https://biodiversitylibrary.org/page/50438173" volume="123" year="2009">Taylor et al. 2009</bibRefCitation>
|
||
: 10 (figs 4-8);
|
||
<bibRefCitation id="D0EF87DB670FD0EC2E27541E219E6905" author="Tunnell, Jr JW" journalOrPublisher="Texas A & M University Press, College Station" pageId="0" pageNumber="517" refId="B90" refString="Tunnell, Jr JW, Andrews, J, Barrera, NC, Moretzsohn, F, 2010. Encyclopedia of Texas Seashells: Identification, Ecology, Distribution, and History. Texas A & M University Press, College Station" title="Encyclopedia of Texas Seashells: Identification, Ecology, Distribution, and History." year="2010">Tunnell et al. 2010</bibRefCitation>
|
||
: 345;
|
||
<bibRefCitation id="FEC60DD673BBDA7AB2E40B5D7FA4D883" author="Redfern, C" journalOrPublisher="com, Boca Raton" pageId="0" pageNumber="517" refId="B75" refString="Redfern, C, 2013. Bahamian Seashells: 1161 Species from Abaco, Bahamas. BahamianSeashells. com, Boca Raton" title="Bahamian Seashells: 1161 Species from Abaco, Bahamas. BahamianSeashells." year="2013">Redfern 2013</bibRefCitation>
|
||
: 400, fig. 1067;
|
||
<bibRefCitation id="13F74C0D672A1C7AA9F9695ACC493E82" DOI="https://doi.org/10.1071/IS13010" author="Bieler, R" journalOrPublisher="Invertebrate Systematics" pageId="0" pageNumber="517" pagination="32 - 115" refId="B12" refString="Bieler, R, Mikkelsen, PM, Collins, TM, Glover, EA, Gonzalez, VL, Graf, DL, Harper, EM, Healy, J, Kawauchi, GY, Sharma, PP, Staubach, S, Strong, EE, Taylor, JD, Temkin, I, Zardus, JD, Clark, S, Guzman, A, McIntyre, E, Sharp, P, Giribet, G, 2014. Investigating the Bivalve Tree of Life - an exemplar-based approach combining molecular and novel morphological characters. Invertebrate Systematics 28: 32 - 115" title="Investigating the Bivalve Tree of Life - an exemplar-based approach combining molecular and novel morphological characters." url="https://doi.org/10.1071/IS13010" volume="28" year="2014">Bieler et al. 2014</bibRefCitation>
|
||
: 45 (fig. 3N);
|
||
<bibRefCitation id="0F0BCBA878DCCE216D353504B8C10114" DOI="https://doi.org/10.1016/j.jip.2015.07.014" author="Arzul, I" journalOrPublisher="Journal of Invertebrate Paleontology" pageId="0" pageNumber="517" pagination="32 - 42" refId="B8" refString="Arzul, I, Carnegie, RB, 2015. New perspective on the haplosporidian parasites of molluscs. Journal of Invertebrate Paleontology 131: 32 - 42" title="New perspective on the haplosporidian parasites of molluscs." url="https://doi.org/10.1016/j.jip.2015.07.014" volume="131" year="2015">Arzul and Carnegie 2015</bibRefCitation>
|
||
: 33;
|
||
<bibRefCitation id="03AECBDA2FE1D609147D86FC1BE20B25" DOI="https://doi.org/10.1098/rspb.2014.2332" author="Gonzalez, VL" journalOrPublisher="American Malacological Bulletin" pageId="0" pageNumber="517" refId="B34" refString="Gonzalez, VL, Andrade, SCS, Bieler, R, Collins, TM, Dunn, CW, Mikkelsen, PM, Taylor, JD, Giribet, G, 2015. . https://doi.org/10.1098/rspb.2014.2332" url="https://doi.org/10.1098/rspb.2014.2332" year="2015">
|
||
<normalizedToken id="58DCD5C8F30346CF17380C333B1D512D" originalValue="González">Gonzalez</normalizedToken>
|
||
et al. 2015
|
||
</bibRefCitation>
|
||
: 4, figs 1, 2;
|
||
<bibRefCitation id="C9EC631A0A6D0F729A3E14429902D14C" DOI="https://doi.org/10.1016/j.ympev.2016.11.003" author="Combosch, DJ" journalOrPublisher="Molecular Phylogenetics and Evolution" pageId="0" pageNumber="517" pagination="191 - 208" refId="B21" refString="Combosch, DJ, Collins, TM, Glover, EA, Graf, DL, Harper, EM, Healy, JM, Kawauchi, GY, Lemer, S, McIntyre, E, Strong, EE, Taylor, JD, Zardus, JD, Mikkelsen, PM, Giribet, G, Bieler, R, 2017. A family-level Tree of Life for bivalves based on a Sanger-sequencing approach. Molecular Phylogenetics and Evolution 107: 191 - 208" title="A family-level Tree of Life for bivalves based on a Sanger-sequencing approach." url="https://doi.org/10.1016/j.ympev.2016.11.003" volume="107" year="2017">Combosch et al. 2017</bibRefCitation>
|
||
: table 1, figs 1, 2;
|
||
<bibRefCitation id="207DEC9004974C05D0AEAFFF4DE13369" DOI="https://doi.org/10.1098/rspb.2018.2684" author="Lemer, S" journalOrPublisher="Proceedings of the Royal Society B: Biological Sciences" pageId="0" pageNumber="517" pagination="1 - 9" refId="B49" refString="Lemer, S, Bieler, R, Giribet, G, 2019. Resolving the relationships of clams and cockles: dense transcriptome sampling drastically improves the bivalve tree of life. Proceedings of the Royal Society B: Biological Sciences 286: 1 - 9" title="Resolving the relationships of clams and cockles: dense transcriptome sampling drastically improves the bivalve tree of life." url="https://doi.org/10.1098/rspb.2018.2684" volume="286" year="2019">Lemer et al. 2019</bibRefCitation>
|
||
: figs 1, 2.
|
||
</paragraph>
|
||
<paragraph id="F4FEC499DDC96E36EE5E2264B39CF741" pageId="0" pageNumber="517">
|
||
<taxonomicName id="462D1F6DBF749AAB0DDB7ECB96041EB0" class="Bivalvia" family="Cyrenoididae" genus="Cyrenella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cyrenella floridana" order="Venerida" pageId="0" pageNumber="517" phylum="Mollusca" rank="species" species="floridana">Cyrenella floridana</taxonomicName>
|
||
-
|
||
<bibRefCitation id="A5E421D287FA412863EBC388F831C2CF" author="Walker, BA" journalOrPublisher="Miscellaneous Publications of the University of Michigan Museum of Zoology" pageId="0" pageNumber="517" pagination="1 - 213" publicationUrl="http://deepblue.lib.umich.edu/bitstream/2027.42/56251/1/MP006.pdf" refId="B99" refString="Walker, BA, 1918. A synopsis of the classification of the freshwater Mollusca of North America, North of Mexico, and a catalogue of the more recently described species, with notes. Miscellaneous Publications of the University of Michigan Museum of Zoology 6: 1 - 213" title="A synopsis of the classification of the freshwater Mollusca of North America, North of Mexico, and a catalogue of the more recently described species, with notes." url="http://deepblue.lib.umich.edu/bitstream/2027.42/56251/1/MP006.pdf" volume="6" year="1918">Walker 1918</bibRefCitation>
|
||
: 88, fig. 232.
|
||
</paragraph>
|
||
<paragraph id="0A26E7423490A7E117B604ABAFC1740D" pageId="0" pageNumber="517">
|
||
<taxonomicName id="AD135FF31FE7589F394E2C5B65851402" class="Bivalvia" family="Cyrenoididae" genus="Cyrenoidea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cyrenoidea guatemalensis" order="Venerida" pageId="0" pageNumber="517" phylum="Mollusca" rank="species" species="guatemalensis">Cyrenoidea guatemalensis</taxonomicName>
|
||
<bibRefCitation id="DC22E16348E730D36F34E8313A48A0CA" author="Pilsbry, HA" journalOrPublisher="Proceedings of the Academy of Natural Sciences of Philadelphia" pageId="0" pageNumber="517" pagination="212 - 223" publicationUrl="https://biodiversitylibrary.org/page/1970848" refId="B68" refString="Pilsbry, HA, 1920. Mollusca from Central America and Mexico. Proceedings of the Academy of Natural Sciences of Philadelphia 71: 212 - 223" title="Mollusca from Central America and Mexico." url="https://biodiversitylibrary.org/page/1970848" volume="71" year="1920">Pilsbry 1920</bibRefCitation>
|
||
: 221 (pl. 11, fig. 9);
|
||
<bibRefCitation id="31A80026A4B4A1C3ED5F472BACE9A2E7" DOI="https://doi.org/10.5962/bhl.title.6489" author="Clench, W" journalOrPublisher="Academy of Natural Sciences of Philadelphia Special Publication" pageId="0" pageNumber="517" pagination="1 - 218" refId="B19" refString="Clench, W, Turner, RD, 1962. New names introduced by H. A. Pilsbry in the Mollusca and Crustacea. Academy of Natural Sciences of Philadelphia Special Publication 4: 1 - 218" title="New names introduced by H. A. Pilsbry in the Mollusca and Crustacea." url="https://doi.org/10.5962/bhl.title.6489" volume="4" year="1962">Clench and Turner 1962</bibRefCitation>
|
||
: 60.
|
||
</paragraph>
|
||
<paragraph id="E36E200359346E25B48FEA08F8108C94" pageId="0" pageNumber="517">
|
||
<taxonomicName id="3603958F78FF3404C77F71EECA049021" class="Bivalvia" family="Cyrenoididae" genus="Cyrenoida" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cyrenoida guatemalensis" order="Venerida" pageId="0" pageNumber="517" phylum="Mollusca" rank="species" species="guatemalensis">Cyrenoida guatemalensis</taxonomicName>
|
||
-
|
||
<bibRefCitation id="3B02AC18FDFE64D8E7A285C1B09CBEC0" author="Pilsbry, HA" journalOrPublisher="The Nautilus" pageId="0" pageNumber="517" pagination=": 69" publicationUrl="https://biodiversitylibrary.org/page/8527900" refId="B70" refString="Pilsbry, HA, Zetek, J, 1931. A Panamic Cyrenoida. The Nautilus 45: 69" title="A Panamic Cyrenoida." url="https://biodiversitylibrary.org/page/8527900" volume="45" year="1931">Pilsbry and Zetek 1931</bibRefCitation>
|
||
: 69;
|
||
<bibRefCitation id="D47425BB9AC06F46A095A50C6061A369" DOI="https://doi.org/10.5962/bhl.title.120498" author="Morrison, JPE" journalOrPublisher="Smithsonian Miscellaneous Collections" pageId="0" pageNumber="517" pagination="1 - 49" refId="B61" refString="Morrison, JPE, 1946. The nonmarine mollusks of San Jose Island, with notes on those of Pedro Gonzales Island, Pearl Islands, Panama. Smithsonian Miscellaneous Collections 106: 1 - 49" title="The nonmarine mollusks of San Jose Island, with notes on those of Pedro Gonzales Island, Pearl Islands, Panama." url="https://doi.org/10.5962/bhl.title.120498" volume="106" year="1946">Morrison 1946</bibRefCitation>
|
||
: 45.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="EB74AC57912D35A8B925D27FFDE3D1F9" pageId="0" pageNumber="517" type="description">
|
||
<paragraph id="4B803437F24CE134CEAB8997E290F5D0" pageId="0" pageNumber="517">Description.</paragraph>
|
||
<paragraph id="C82972F8B959AB06A90C5CBC11C46445" pageId="0" pageNumber="517">
|
||
<emphasis id="EF8092A6BFF217D7F6A00B090C48AB1E" bold="true" pageId="0" pageNumber="517">Shell</emphasis>
|
||
(
|
||
<figureCitation id="E2AEED54DCF1A882C14144A3124E832F" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Figs 11-23</figureCitation>
|
||
):
|
||
<emphasis id="B1D6CA5BE9AA9DBB332F40F2DC5D8AEC" bold="true" pageId="0" pageNumber="517">External features</emphasis>
|
||
: Outline rounded, subcircular with ventral margin slightly posteriorly carinated (
|
||
<figureCitation id="CF51FFB7D18506DF4AF5B2E7D4517427" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Figs 11</figureCitation>
|
||
,
|
||
<figureCitation id="7735BDE7D00D20C37ED3C9A865F5F546" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">12</figureCitation>
|
||
); equivalve, equilateral, ~6% longer than high, reaching maximum length of ~15 mm. Laterally inflated, width ~59% of total shell length (
|
||
<figureCitation id="7139D495F897FE897FA01A7993D2A7B6" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Figs 13-15</figureCitation>
|
||
). Externally white, adorned only with growth lines, showing ~3 thicker commarginal growth increments. Periostracum thin, slightly wrinkled, light brown. Walls thin, fragile. Umbones prosogyrous, low, ~5% of total shell height, large, length ~25% of total shell length, located at midpoint of shell length. Ligament parivincular, opisthodetic, long, ~39% of total shell length (
|
||
<figureCitation id="EA1209F6D4474F9862876A34A5168C71" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Figs 15-17</figureCitation>
|
||
). Nymph long, ~20 times longer than wide, rectangular. Lunule and escutcheon absent.
|
||
<emphasis id="04C92D2AE0EADD72D0E875E98B623777" bold="true" pageId="0" pageNumber="517">Internal features</emphasis>
|
||
: Internal surface opaque white (
|
||
<figureCitation id="DCD8776B7755DF5DB743F2D07111DC87" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Figs 16</figureCitation>
|
||
,
|
||
<figureCitation id="1E1A8A97B447D4A41C563066015BF282" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">17</figureCitation>
|
||
). Adductor muscle scars and pallial line weak, very faintly impressed (outlined in
|
||
<figureCitation id="CF1DC4F4441D60213CC58139E4E5EC1C" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Fig. 16</figureCitation>
|
||
). Anterior adductor muscle scar reniform, occupying ~1.5% of total internal surface; ventral portion ~2 times wider than dorsal portion; positioned at median third of valve height. Posterior adductor muscle scar oval, slightly pointed dorsally, occupying ~1.6% of total internal surface; located slightly more ventral than anterior muscle scar. Pallial line weak, formed by row of small pallial muscle scars, connected to middle portion of ventral surface of anterior adductor muscle to middle portion of ventral surface of posterior adductor muscle, inset from ventral shell margin by ~19.5% of total shell height, without pallial sinus. Microtubules of elongated conical shape, beginning with circular opening in interior shell wall, tapering toward but not reaching external surface (
|
||
<figureCitation id="AE27BB1FA5899DBDF571026D069D86CB" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Figs 20-22</figureCitation>
|
||
). Internal surface of shell usually with aragonitic nodules of various sizes and quantities (
|
||
<figureCitation id="14E0257526F67025E94919DF64126D47" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Figs 16</figureCitation>
|
||
,
|
||
<figureCitation id="2524093D967BBC06AE9B550CA47382D5" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">17</figureCitation>
|
||
,
|
||
<figureCitation id="D3C29A9F8D146A3D8989287D1ED87054" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">23</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="86F3D968E24680FFFB5D5E55DC9A9AFA" doi="10.3897/zse.95.38456.figures1-10" httpUri="https://binary.pensoft.net/fig/350195" pageId="0" pageNumber="517" start="Figures 1–10" startId="F1">
|
||
<paragraph id="1D49C6545EC6D07BEEC73679CD9F7761" pageId="0" pageNumber="517">
|
||
<emphasis id="B0309F2C6C635A74526E0CC54C7257AB" bold="true" pageId="0" pageNumber="517">Figures 1-10.</emphasis>
|
||
Syntypes of
|
||
<taxonomicName id="672B5CB2FE4204A93BD08D500388922B" class="Bivalvia" family="Cyrenoididae" genus="Cyrenoida" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cyrenoida floridana" order="Venerida" pageId="0" pageNumber="517" phylum="Mollusca" rank="species" species="floridana">
|
||
<emphasis id="5AC9DA142D91BE6DECDD96EDDF0CE686" italics="true" pageId="0" pageNumber="517">Cyrenoida floridana</emphasis>
|
||
</taxonomicName>
|
||
and lectotype of
|
||
<taxonomicName id="FD291B219596183994287B0EBE70BCA8" lsidName="C. guatemalensis" pageId="0" pageNumber="517" rank="species" species="guatemalensis">
|
||
<emphasis id="6E92AB6C72EE33AE9A229A6E7D3AC8F0" italics="true" pageId="0" pageNumber="517">C. guatemalensis</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<emphasis id="726F53F365C61467948C1023CAFBBFFE" bold="true" pageId="0" pageNumber="517">1-4.</emphasis>
|
||
<taxonomicName id="6F8F17EC4712989FDB73E0B182971DA5" class="Bivalvia" family="Cyrenoididae" genus="Cyrenoida" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cyrenoida floridana" order="Venerida" pageId="0" pageNumber="517" phylum="Mollusca" rank="species" species="floridana">
|
||
<emphasis id="363ACAAB647A0AA9A8B267B1D13B6C51" italics="true" pageId="0" pageNumber="517">Cyrenoida floridana</emphasis>
|
||
</taxonomicName>
|
||
(USNM 46846, length 12 mm, height 13 mm).
|
||
<emphasis id="C2B4776F990FC61160A86A3B324A7F9E" bold="true" pageId="0" pageNumber="517">1.</emphasis>
|
||
Left valve, external view;
|
||
<emphasis id="9A66194D22B5B997F17D2234042788C2" bold="true" pageId="0" pageNumber="517">2.</emphasis>
|
||
Right valve, external view;
|
||
<emphasis id="B7C598BAF339B6D0A2E9CB5BD1CBCC61" bold="true" pageId="0" pageNumber="517">3.</emphasis>
|
||
Left valve, internal view;
|
||
<emphasis id="F5C5905518940AE13E0E80A0CEB0DF2C" bold="true" pageId="0" pageNumber="517">4.</emphasis>
|
||
Right valve, internal view;
|
||
<emphasis id="EC2A7C78043F2C44FD12FFA44C84BB47" bold="true" pageId="0" pageNumber="517">5-10.</emphasis>
|
||
<taxonomicName id="D8D15E3CC7E91680C790593108179E08" class="Bivalvia" family="Cyrenoididae" genus="Cyrenoida" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cyrenoida guatemalensis" order="Venerida" pageId="0" pageNumber="517" phylum="Mollusca" rank="species" species="guatemalensis">
|
||
<emphasis id="E458AAAF47483E078BDD3E3CE0212240" italics="true" pageId="0" pageNumber="517">Cyrenoida guatemalensis</emphasis>
|
||
</taxonomicName>
|
||
(ANSP 107532; length 8.6 mm, height 8.9 mm).
|
||
<emphasis id="26FA5E74084C10EAB14FD9EA0E47CA33" bold="true" pageId="0" pageNumber="517">5.</emphasis>
|
||
Left valve, external view;
|
||
<emphasis id="A09B1537F1A296B611864EEC50A74CFF" bold="true" pageId="0" pageNumber="517">6.</emphasis>
|
||
Right valve, external view;
|
||
<emphasis id="2717B4C43F33D067BEFE85BDD7491E5D" bold="true" pageId="0" pageNumber="517">7.</emphasis>
|
||
Left valve, internal view;
|
||
<emphasis id="EC8B83F815ADB4C8E05045641FF02C5C" bold="true" pageId="0" pageNumber="517">8.</emphasis>
|
||
Right valve, internal view;
|
||
<emphasis id="438AFBA62209D5E7957DB1A399C1D2AD" bold="true" pageId="0" pageNumber="517">9.</emphasis>
|
||
Detail of left hinge;
|
||
<emphasis id="45F04843A8F5DF1C7162785B5C8E23B0" bold="true" pageId="0" pageNumber="517">10.</emphasis>
|
||
Detail of right hinge. Scale bar: 2 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="F9699F70B98805956F8EA9F604E6CFCF" doi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" start="Figures 11–24" startId="F2">
|
||
<paragraph id="B1921D7F67FC433025AB212DC37D5657" pageId="0" pageNumber="517">
|
||
<emphasis id="0311450EA83543BA20B37F3690635E3D" bold="true" pageId="0" pageNumber="517">Figures 11-24.</emphasis>
|
||
<taxonomicName id="68B7A6D5FFDDA96683CD8D2003DBC1A0" class="Bivalvia" family="Cyrenoididae" genus="Cyrenoida" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cyrenoida floridana" order="Venerida" pageId="0" pageNumber="517" phylum="Mollusca" rank="species" species="floridana">
|
||
<emphasis id="69B3801D0116E5EC55140B715365E010" italics="true" pageId="0" pageNumber="517">Cyrenoida floridana</emphasis>
|
||
</taxonomicName>
|
||
, shell and gills details.
|
||
<emphasis id="D5372BFF7EC36D97B1E383B8AEDA295A" bold="true" pageId="0" pageNumber="517">11-22, 23.</emphasis>
|
||
UF 246126;
|
||
<emphasis id="FA59DC9823A2DD849313FC5DA858F56B" bold="true" pageId="0" pageNumber="517">24.</emphasis>
|
||
FMNH 328260.
|
||
<emphasis id="4A560B0CBA6C02BDF10119B3304DA657" bold="true" pageId="0" pageNumber="517">11.</emphasis>
|
||
Left valve, external view;
|
||
<emphasis id="699F93B060E0E168C5FBC28F1A993171" bold="true" pageId="0" pageNumber="517">12.</emphasis>
|
||
Right valve, external view;
|
||
<emphasis id="6D981AEE6C30FB6193631EC2A3380ED8" bold="true" pageId="0" pageNumber="517">13.</emphasis>
|
||
Dorsal view of shell;
|
||
<emphasis id="4034EE6283103C6D87039AF98EB2470F" bold="true" pageId="0" pageNumber="517">14.</emphasis>
|
||
Anterior view of shell;
|
||
<emphasis id="48B569CF0617B38B455D355E92B5D7EE" bold="true" pageId="0" pageNumber="517">15.</emphasis>
|
||
Posterior view of shell;
|
||
<emphasis id="308136C569F1E97F8367C4E936DBE144" bold="true" pageId="0" pageNumber="517">16.</emphasis>
|
||
Left valve, internal view, muscle scars and pallial line outlined;
|
||
<emphasis id="DC16060D69F3C706AF71799B94F00FA1" bold="true" pageId="0" pageNumber="517">17.</emphasis>
|
||
Right valve, internal view;
|
||
<emphasis id="D984722A650D274A6630A8063F384A0C" bold="true" pageId="0" pageNumber="517">18.</emphasis>
|
||
Left hinge, SEM;
|
||
<emphasis id="96F8927ECA3D6578562D0EE51A87BDAA" bold="true" pageId="0" pageNumber="517">19.</emphasis>
|
||
Right hinge, SEM;
|
||
<emphasis id="AD4666E634ED6EA7810129AA29330093" bold="true" pageId="0" pageNumber="517">20.</emphasis>
|
||
Internal surface of shell, SEM, showing microtubule orifices;
|
||
<emphasis id="6B6EABEFBCE8235E7F2DCF3B1B242B5A" bold="true" pageId="0" pageNumber="517">21.</emphasis>
|
||
Detail of microtubule patch;
|
||
<emphasis id="99A1D7D108CC1E6F887A5047F6937708" bold="true" pageId="0" pageNumber="517">22.</emphasis>
|
||
Fractured shell showing microtubules partially through shell thickness;
|
||
<emphasis id="1B2EF8F2E52748F5882184F254422393" bold="true" pageId="0" pageNumber="517">23.</emphasis>
|
||
Detail of nodules at shell internal surface;
|
||
<emphasis id="B05DEE947DADFDAD7132BDC27936290B" bold="true" pageId="0" pageNumber="517">24.</emphasis>
|
||
Gill fragment, transverse section, SEM. Scale bars: 1 mm (
|
||
<emphasis id="9A36FCE8D922DFFA5CF557F90F317BFC" bold="true" pageId="0" pageNumber="517">11-17, 23</emphasis>
|
||
); 200
|
||
<normalizedToken id="FB4149C9332E475AAA8324FB118D8BC7" originalValue="µm">µm</normalizedToken>
|
||
(
|
||
<emphasis id="4B9B0DB7E3F6F53BBA41C9E25C927BD3" bold="true" pageId="0" pageNumber="517">18, 19</emphasis>
|
||
); 20
|
||
<normalizedToken id="1A56BBB941BA621D31AF4C767C2C5DF9" originalValue="µm">µm</normalizedToken>
|
||
(
|
||
<emphasis id="A448075128A9015DFA0257A6A3457843" bold="true" pageId="0" pageNumber="517">20-22</emphasis>
|
||
), 0.5 mm (
|
||
<emphasis id="6B9B83755074A1BCB26245B9BDE018E3" bold="true" pageId="0" pageNumber="517">23</emphasis>
|
||
); 10
|
||
<normalizedToken id="8F06F22EEEE494B93B79A0601403F986" originalValue="µm">µm</normalizedToken>
|
||
(
|
||
<emphasis id="E234D862A9D023C9275C49FD293AD894" bold="true" pageId="0" pageNumber="517">24</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="4AD1D64E3DD59EFE84A4311267F6B46D" pageId="0" pageNumber="517">
|
||
<emphasis id="3BF9D3DC70896C1CDA2D298A14D7A429" bold="true" pageId="0" pageNumber="517">Hinge</emphasis>
|
||
(
|
||
<figureCitation id="2F9F6024900D94C90F35535A510DC427" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Figs 16-19</figureCitation>
|
||
): Hinge restricted to central and anterior portion of dorsal margin, composed of lateral and cardinal teeth.
|
||
<emphasis id="34BADB2B162940BBE927FAAFA9B00104" bold="true" pageId="0" pageNumber="517">Right hinge</emphasis>
|
||
(
|
||
<figureCitation id="5AB9E9F1E991EFE34A50D96D299804CD" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Figs 17</figureCitation>
|
||
,
|
||
<figureCitation id="6D8927C435E9A0CE010CE1848035A9CB" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">19</figureCitation>
|
||
): Dental shelf short and wide, triangular, running along entire length of anterior portion of dorsal margin, height equivalent to ~10 times dorsal margin width; composed of two laterals and two cardinals. Each cardinal tooth joining posteriorly with a lateral tooth, forming two inverted-V-shaped teeth, one large (
|
||
<figureCitation id="D8F6936A9020F6A7A85AD9590D84417B" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Fig. 19</figureCitation>
|
||
:
|
||
<emphasis id="AC00BECB435500600646A12E8FDED2C6" bold="true" pageId="0" pageNumber="517">lv</emphasis>
|
||
), one small (
|
||
<figureCitation id="3ECA2462B9E943524E30FD7ECA25CD84" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Fig. 19</figureCitation>
|
||
:
|
||
<emphasis id="01B456FB1FB3AA615093EDC5739A8F07" bold="true" pageId="0" pageNumber="517">sv</emphasis>
|
||
). Large V-shaped tooth located near dorsal shell margin, formed by long and laminar lateral tooth (
|
||
<figureCitation id="6F7390AD14529425BF62A756E73D9AA5" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Fig. 19</figureCitation>
|
||
:
|
||
<emphasis id="F17CC9D31359E98C6DCC39BCDD6F06AE" bold="true" pageId="0" pageNumber="517">t1</emphasis>
|
||
) and short cardinal one (
|
||
<figureCitation id="48D7151D5E9BB63F6DD7D1ED0C22DC82" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Fig. 19</figureCitation>
|
||
:
|
||
<emphasis id="AF8569061000793758B6E7C16E480F57" bold="true" pageId="0" pageNumber="517">t2</emphasis>
|
||
). Lateral tooth length equivalent to ~56% of total dental shelf length, cardinal tooth length equivalent to ~22% of lateral tooth length; small V-shaped tooth located ventral to large V-shaped tooth (lv). Small lateral tooth (
|
||
<figureCitation id="5B4AD5CB266B1D5BBE85C5DB3213C344" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Fig. 19</figureCitation>
|
||
:
|
||
<emphasis id="D941D1306100FEFB50EE0A3666FEF7AB" bold="true" pageId="0" pageNumber="517">t3</emphasis>
|
||
) length ~30% shorter than large lateral tooth, whereas small cardinal tooth (
|
||
<figureCitation id="4A1CD69D0B562974F04307CC58BF5E5E" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Fig. 19</figureCitation>
|
||
:
|
||
<emphasis id="422A12CE2E868E4BC0E51919E7939713" bold="true" pageId="0" pageNumber="517">t4</emphasis>
|
||
) ~40% shorter than dorsally located cardinal tooth (
|
||
<figureCitation id="B1FA67142E575B4B91A52A7FB20BF876" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Fig. 19</figureCitation>
|
||
:
|
||
<emphasis id="B2534A7C78C276EDDEF64782B19DF28D" bold="true" pageId="0" pageNumber="517">t2</emphasis>
|
||
).
|
||
<emphasis id="970E3B592544A447AB39D81BAACC3D4C" bold="true" pageId="0" pageNumber="517">Left hinge</emphasis>
|
||
(
|
||
<figureCitation id="B22D5A5AB23FF8D672FA6D5579FC7D70" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Figs 16</figureCitation>
|
||
,
|
||
<figureCitation id="46E8DB6564AF158D96A0A30714765969" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">18</figureCitation>
|
||
): Dental shelf narrow, fusiform, running along 30% of anterior portion of dorsal margin, height equivalent to ~3 times dorsal margin width; composed of three cardinal teeth, two cardinal and one lateral, forming horizontal reversed F-shaped tooth (
|
||
<figureCitation id="75A1A49B7211E288414C5059EFE1BBA0" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Fig. 18</figureCitation>
|
||
:
|
||
<emphasis id="3DC724C9161AA48E8ABD11C682013D39" bold="true" pageId="0" pageNumber="517">fs</emphasis>
|
||
). Both cardinal teeth originating parallel and close to each other, (
|
||
<figureCitation id="58CA3698525F9A8A378786D925B09118" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Fig. 18</figureCitation>
|
||
:
|
||
<emphasis id="8A343A9191B8CA828AEF235F19245946" bold="true" pageId="0" pageNumber="517">t6, t7</emphasis>
|
||
). Lateral tooth laminar (
|
||
<figureCitation id="89573088D28BBED192A4F1739A90562A" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Fig. 18</figureCitation>
|
||
:
|
||
<emphasis id="469F69B599F259227471E551084D5867" bold="true" pageId="0" pageNumber="517">t5</emphasis>
|
||
), joining anterior cardinal tooth (
|
||
<figureCitation id="3CBDC539C30C7715B5F388B6D59B15FB" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Fig. 18</figureCitation>
|
||
:
|
||
<emphasis id="F4633022CBAC1AE0D4BF8F4032132CC6" bold="true" pageId="0" pageNumber="517">t7</emphasis>
|
||
), length equivalent to 50% of total length of dorsal shelf. Both cardinal teeth equivalent to 20% of lateral tooth length. When articulated, left valve tooth complex (t5-t7) fits within groove between right valve t3-t4 and t1-t2.
|
||
</paragraph>
|
||
<paragraph id="9326C0FBB9F19DA53E67CD4739C8D17B" pageId="0" pageNumber="517">
|
||
<emphasis id="DD1D6D9AEF013C8C578620A3CC51987E" bold="true" pageId="0" pageNumber="517">Muscular system</emphasis>
|
||
(
|
||
<figureCitation id="DA8E666F459997B82C72613A75D96648" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Figs 25-27</figureCitation>
|
||
,
|
||
<figureCitation id="B757B7492D75A154D92E0979480062E1" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">31</figureCitation>
|
||
,
|
||
<figureCitation id="76EC60E4B89D57F4F622523FA676B8D1" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">34</figureCitation>
|
||
,
|
||
<figureCitation id="0B840727729482326AF4A6FD16BBAB64" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">33</figureCitation>
|
||
): Anterior adductor muscle (
|
||
<emphasis id="6D25D4C29CA23D593ECC8E1C779A65B9" bold="true" pageId="0" pageNumber="517">aa</emphasis>
|
||
) reniform in cross section, ~3 times taller than wide; ventral portion ~2 times wider than dorsal portion; occupying ~3% of total shell internal volume; located at middle third of shell height; clearly divided into quick and slow components (
|
||
<figureCitation id="B7B213927C527A7FF43E32466C66EF47" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Figs 25</figureCitation>
|
||
,
|
||
<figureCitation id="85A8502CDF10BA2839E2F2B99C5FB396" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">26</figureCitation>
|
||
,
|
||
<figureCitation id="256A3FD15E3B5D3E67B657A710087643" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">35</figureCitation>
|
||
), quick component occupying ~39% of anterior portion of muscle, dark grey in color, slow component occupying ~61% of posterior portion of muscle, light cream in color. Posterior adductor muscle (
|
||
<emphasis id="3D64839D785184089C9D8BE1395733DE" bold="true" pageId="0" pageNumber="517">pa</emphasis>
|
||
) elliptical in cross section, ~1.5 times wider than tall, ~20% shorter and ~2 times wider than anterior adductor muscle, occupying ~3% of total shell internal volume; located slightly ventral to anterior adductor muscle; clearly divided into quick and slow components (
|
||
<figureCitation id="3F65E3998CD9CE43C11207F355D3F4B4" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Figs 25-27</figureCitation>
|
||
,
|
||
<figureCitation id="1F76013D6714B7FAB10A4832C7AF3CB5" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">34</figureCitation>
|
||
,
|
||
<figureCitation id="8751446261F7607E680035A593575183" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">35</figureCitation>
|
||
), quick component occupying ~52% of posterior portion of muscle, dark grey in color, slow component occupying ~48% of anterior portion of muscle, light cream in color. Paired anterior pedal retractor muscles (
|
||
<emphasis id="1A821E8F29DE516AB6213B43583FAB9D" bold="true" pageId="0" pageNumber="517">ar</emphasis>
|
||
) oval in section, thin, attached on shell at posterodorsal side of anterior adductor muscle insertion, area ~3% of that of adductor, length ~20% of shell length, left and right branches fused at mid-length. Paired posterior pedal retractor muscles (
|
||
<emphasis id="4044809B88D9830536B716D89B8669E1" bold="true" pageId="0" pageNumber="517">pr</emphasis>
|
||
) oval in cross section, slightly laterally compressed, thin, ~40% longer than anterior pedal retractors; inserting on shell dorsally posterior adductor muscle, in area ~3% of that adductor, left and right branches fusing at dorsal ~20% of total muscle length. Pedal protractor muscles absent. Two pairs of siphonal retractor muscles (
|
||
<figureCitation id="A712233ADC5DDE7422DC09D527B670F5" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Figs 27</figureCitation>
|
||
,
|
||
<figureCitation id="2B47068C9B5E7746EB7D50662E2C6DD2" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">31</figureCitation>
|
||
,
|
||
<figureCitation id="9B8DDF3114BA73F61BCD9176219B4D7C" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">33</figureCitation>
|
||
); dorsal siphonal retractors (
|
||
<emphasis id="BFAD1E5C6D480D0F6B0553A6D553E325" bold="true" pageId="0" pageNumber="517">dm</emphasis>
|
||
) ~3 times longer than wide; insertion at mantle bifid for half of total muscle length, 2 times as long as excurrent opening, originating laterally at half of siphonal base height; ventral siphonal retractors (
|
||
<emphasis id="CC24FD4A004D1DCD20C47B588CF20A4B" bold="true" pageId="0" pageNumber="517">vm</emphasis>
|
||
) thin and translucent, ~3 times longer than wide, length ~50% of total length of dorsal siphonal muscle, originating at ventral end of incurrent siphon base.
|
||
</paragraph>
|
||
<caption id="D162B1E538AD53EA4BDFED64A3257530" doi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" start="Figures 25–34" startId="F3">
|
||
<paragraph id="927A0F7E69CCF7528086ED7ACD3CE227" pageId="0" pageNumber="517">
|
||
<emphasis id="B7554EFCD34E5F0F290ECC2806389059" bold="true" pageId="0" pageNumber="517">Figures 25-34.</emphasis>
|
||
Anatomy of
|
||
<taxonomicName id="83D203729F864BA892607340963AE2BD" class="Bivalvia" family="Cyrenoididae" genus="Cyrenoida" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cyrenoida floridana" order="Venerida" pageId="0" pageNumber="517" phylum="Mollusca" rank="species" species="floridana">
|
||
<emphasis id="14B317FEE22A2D95E2AD3891FA98397C" italics="true" pageId="0" pageNumber="517">Cyrenoida floridana</emphasis>
|
||
</taxonomicName>
|
||
(FMNH 328260).
|
||
<emphasis id="6369FB8A3FBE12CE41A327C8F71D96FF" bold="true" pageId="0" pageNumber="517">25.</emphasis>
|
||
Right view valve removed, some structures seen by transparency of mantle lobe;
|
||
<emphasis id="1F92563F8FE9B87ADC71949A6E9BA11C" bold="true" pageId="0" pageNumber="517">26.</emphasis>
|
||
Same, with mantle and gill removed;
|
||
<emphasis id="4406E4D4401785C492DE7D3C4AFAD55C" bold="true" pageId="0" pageNumber="517">27.</emphasis>
|
||
Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown;
|
||
<emphasis id="A5A942BE901949AC986B4B6B1CF95884" bold="true" pageId="0" pageNumber="517">28.</emphasis>
|
||
Siphonal tips; right view, both partially sectioned longitudinally;
|
||
<emphasis id="BCF33C2A1A614051E476C8B9C043F22E" bold="true" pageId="0" pageNumber="517">29.</emphasis>
|
||
Mantle border, section in its ventromedial portion;
|
||
<emphasis id="C7E8B0F07A90B809027C3D9FAF675518" bold="true" pageId="0" pageNumber="517">30.</emphasis>
|
||
Gill, transverse section in its central portion;
|
||
<emphasis id="434D7315F17DD4449B6D2AF92129797C" bold="true" pageId="0" pageNumber="517">31.</emphasis>
|
||
Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles;
|
||
<emphasis id="B61DCB986E23B2434695E3C823162DA4" bold="true" pageId="0" pageNumber="517">32.</emphasis>
|
||
Labial palps, ventral view, outer hemipalps deflected dorsally;
|
||
<emphasis id="8B2F189B2618D617C5C959819CBB8759" bold="true" pageId="0" pageNumber="517">33.</emphasis>
|
||
Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base;
|
||
<emphasis id="5E8F884FD3847086CDDDC14E85FDEED4" bold="true" pageId="0" pageNumber="517">34.</emphasis>
|
||
Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (
|
||
<emphasis id="B4FD4C1AC1ADC0A9E19754FAA265123E" bold="true" pageId="0" pageNumber="517">25-28, 31, 33-34</emphasis>
|
||
); 1 mm (
|
||
<emphasis id="8D91BFE20C9E8E86929B5671C25B2F08" bold="true" pageId="0" pageNumber="517">29, 30, 32</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="5766647CE85EC2F28FC0C83E81E0F1C1" doi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" start="Figures 35–41" startId="F4">
|
||
<paragraph id="9E7EE975DB757DDDB108A911E2ADC489" pageId="0" pageNumber="517">
|
||
<emphasis id="F4CC47755C4C951C889C9ED62A177622" bold="true" pageId="0" pageNumber="517">Figures 35-41.</emphasis>
|
||
Anatomy of
|
||
<taxonomicName id="E41FA17AC68940C0C4650AA30B479741" class="Bivalvia" family="Cyrenoididae" genus="Cyrenoida" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cyrenoida floridana" order="Venerida" pageId="0" pageNumber="517" phylum="Mollusca" rank="species" species="floridana">
|
||
<emphasis id="0980CE8EDFF1954658F8C79C7D998BBC" italics="true" pageId="0" pageNumber="517">Cyrenoida floridana</emphasis>
|
||
</taxonomicName>
|
||
(FMNH 328260).
|
||
<emphasis id="FCCEC91DB432C559EEB099031AD4537F" bold="true" pageId="0" pageNumber="517">35.</emphasis>
|
||
Digestive tubes as
|
||
<emphasis id="518CDEE692C9D5E577CFEA255341C33E" italics="true" pageId="0" pageNumber="517">in situ</emphasis>
|
||
; right lateral view;
|
||
<emphasis id="5C6D30D62614E80D33328D5FA008629A" bold="true" pageId="0" pageNumber="517">36.</emphasis>
|
||
Stomach, left lateral view;
|
||
<emphasis id="771678C3DAE5E7D653D87148F1D5AD28" bold="true" pageId="0" pageNumber="517">37.</emphasis>
|
||
Stomach, right lateral view, right wall opened and deflected to show inner gastric surface;
|
||
<emphasis id="C6E755B1AAD822FBD008EB15918A6845" bold="true" pageId="0" pageNumber="517">38.</emphasis>
|
||
Cerebral ganglia, ventral view;
|
||
<emphasis id="84D50DC553F9EA17A8F281B3686CC23D" bold="true" pageId="0" pageNumber="517">39.</emphasis>
|
||
Visceral ganglia, ventral view;
|
||
<emphasis id="7879C40C0E8406CED83A3AFC3E1EA910" bold="true" pageId="0" pageNumber="517">40.</emphasis>
|
||
Pedal ganglia; right figure in lateral right view, left figure in dorsal view;
|
||
<emphasis id="F10241A25DE4ADDEFDA0B1AFF2254BF3" bold="true" pageId="0" pageNumber="517">41.</emphasis>
|
||
Nervous system topology, right lateral view. Scale bars: 2 mm (
|
||
<emphasis id="7FD3121F555FCE3334419F29E60258BB" bold="true" pageId="0" pageNumber="517">35-41, 40</emphasis>
|
||
); 0.5 mm (
|
||
<emphasis id="99F31B438C1AE06D2C273004A439ACB8" bold="true" pageId="0" pageNumber="517">38-40</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="0E9F08450759A468C22C6F134FB9DECD" pageId="0" pageNumber="517">
|
||
<emphasis id="F2A5D950952E8CB8D55A4E798E843EB4" bold="true" pageId="0" pageNumber="517">Foot</emphasis>
|
||
(
|
||
<figureCitation id="8A03A05FA9A0138EBD6B7F2AA7729374" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Figs 25</figureCitation>
|
||
,
|
||
<figureCitation id="B52A39FC6E4C8BE7627AEFDC5344ABB0" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">26</figureCitation>
|
||
,
|
||
<figureCitation id="A3774AD702891235B9B0DDA6C4E3D7F6" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">33</figureCitation>
|
||
): Foot short, wedged-shaped, length equivalent to ~35% of total shell length, contracted height equivalent to ~27% of total shell height, laterally compressed, with small heel of length equivalent to ~23% of total foot length. Distal end acuminate. Byssal groove and byssus absent in adults.
|
||
</paragraph>
|
||
<paragraph id="37D88F1477A165C88331C28B6B094F23" pageId="0" pageNumber="517">
|
||
<emphasis id="D50551CEA71F0DB5C2AB0B6917EDE504" bold="true" pageId="0" pageNumber="517">Mantle</emphasis>
|
||
(
|
||
<figureCitation id="09DDFBDD69E6AD68FE2A798D5F2FB30B" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Figs 25-29</figureCitation>
|
||
): Mantle lobes symmetrical, thin, translucent white. Pallial muscles long, triangular, inserting from inner mantle fold region to ~16% of total mantle lobe height, arranged sparsely at ventral margin of mantle lobe; separated from each other by ~4 times pallial muscle basal width (
|
||
<figureCitation id="50F61A758DE4F86CFCF0CF26060E05A0" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Fig. 25</figureCitation>
|
||
:
|
||
<emphasis id="7FA055FE9BFACBB09E562DE7DAA37AFB" bold="true" pageId="0" pageNumber="517">pm</emphasis>
|
||
). Mantle border with three folds (
|
||
<figureCitation id="93810E0F93997EB574EB4D6C9083ADDE" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Fig. 29</figureCitation>
|
||
); outer fold (
|
||
<emphasis id="E96FE1BDAFA0A6B5D2D34F2B0598471C" bold="true" pageId="0" pageNumber="517">of</emphasis>
|
||
) thin, width ~5% of shell thickness, 5 times higher than wide; middle fold (
|
||
<emphasis id="27007BADB7CC0753B0343DC76034BAE3" bold="true" pageId="0" pageNumber="517">mf</emphasis>
|
||
) similar to outer fold, ~30% shorter; inner fold (
|
||
<emphasis id="CB0E63C084465A74BF7ACF9837256C41" bold="true" pageId="0" pageNumber="517">if</emphasis>
|
||
) short, ~3 times taller than wide. Middle fold with 30 small and short papillae, bordering entire pedal gape portion (
|
||
<figureCitation id="EC8710428A22F60902954D5A5DF2F01B" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Fig. 26</figureCitation>
|
||
:
|
||
<emphasis id="3793001C9AF310561A16F1769BCA05E9" bold="true" pageId="0" pageNumber="517">pp</emphasis>
|
||
); each papilla taller than wide, with rounded tip, separated from adjacent papillae by width equivalent to 4 times papillar width. Periostracum between outer and middle folds. Mantle lobes totally free except for siphonal area. Anterior mantle fusion occurring at ~42% of anterior adductor muscle height; posterior mantle fusion occurring at ~70% of posterior adductor muscle height (
|
||
<figureCitation id="B3BA671C6C80EBC213C5123738789F54" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Fig. 26</figureCitation>
|
||
). Siphonal area corresponding to ~30% of total mantle lobe length (
|
||
<figureCitation id="29184D2DF84E6F8E36CD9BD81BE5135C" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Fig. 26</figureCitation>
|
||
). Incurrent and excurrent siphons originating from inner mantle fold; siphonal area equivalent to ~35% of total animal height and ~7% of length (
|
||
<figureCitation id="936635DAE5703E22B5B4D569F8F53925" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Figs 26</figureCitation>
|
||
,
|
||
<figureCitation id="FDAF5A08798F65FE7DE180D3B521C063" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">27</figureCitation>
|
||
); siphons externally fused, covered by small brown spots, internally separated by thick, smooth muscular wall (
|
||
<figureCitation id="2E7C06F1A3B62CC1AA7F49C0E9B28E2F" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Figs 27</figureCitation>
|
||
,
|
||
<figureCitation id="E760679770DD314BCFC4D00C6BDEF50F" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">28</figureCitation>
|
||
,
|
||
<figureCitation id="DCB24E6CA20E838D19D8162DDD93CEAA" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">31</figureCitation>
|
||
); siphonal internal openings free, opening directly into pallial cavity; incurrent and excurrent siphons similar in size; ~5 times longer than wide; incurrent siphonal external tip bordered by one row of short papillae, papillae length equivalent to ~10% of total siphon length (
|
||
<figureCitation id="8664207F036FD6B6F98BC6268C0C181F" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Fig. 28</figureCitation>
|
||
:
|
||
<emphasis id="AF4C300E5508DD74BB182C8468CC5B75" bold="true" pageId="0" pageNumber="517">pp</emphasis>
|
||
); excurrent siphonal tip with siphonal membrane (
|
||
<figureCitation id="1C514BEF6DF2CDA7DF0494B677B1A974" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Fig. 28</figureCitation>
|
||
:
|
||
<emphasis id="65F896DC1926E6E7ECD404E983D4C485" bold="true" pageId="0" pageNumber="517">sm</emphasis>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="B0ED8B7B026EC47C78D6AB6A34C5A402" pageId="0" pageNumber="517">
|
||
<emphasis id="570016B0528D7B5ED9B43FB9EC48A8B9" bold="true" pageId="0" pageNumber="517">Pallial cavity</emphasis>
|
||
(
|
||
<figureCitation id="7269EB6D931FCDD1FC68372E04020466" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Figs 25</figureCitation>
|
||
,
|
||
<figureCitation id="52ECED8272B6B840B96ED267429F1C26" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">26</figureCitation>
|
||
,
|
||
<figureCitation id="C9722EB93C90D64E67B111BA5AE4A7DD" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">30</figureCitation>
|
||
,
|
||
<figureCitation id="8248CFF9B31C21B812294BE1C23D6EE5" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">32</figureCitation>
|
||
,
|
||
<figureCitation id="97AFFB414FA890BDB959D9CD906B2054" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">33</figureCitation>
|
||
): Occupying ~50% of total internal shell volume (
|
||
<figureCitation id="DB5D0282B0CCB7281320CB53D355ACE3" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Fig. 25</figureCitation>
|
||
). Labial palps small, ~2% of total internal shell volume, triangular (
|
||
<figureCitation id="AADEF108D92C4C58D93281CED8597AB7" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Figs 26</figureCitation>
|
||
,
|
||
<figureCitation id="4094E73CD1C5678648E1329DD7C96537" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">32</figureCitation>
|
||
), external surface smooth; outer (
|
||
<emphasis id="9C7293BF1D866AC7DC5439017B7C606B" bold="true" pageId="0" pageNumber="517">op</emphasis>
|
||
) and inner hemipalps (
|
||
<emphasis id="494FAC150D6358D25E045CA4A387116D" bold="true" pageId="0" pageNumber="517">ip</emphasis>
|
||
) of similar size, ~60% narrower and 55% shorter than anterior adductor muscle insertion; outer hemipalp connected to mantle lobe by dorsal edge, at ~30% of palp length; inner hemipalp connected to visceral mass by dorsal edge, at ~20% of palp length; internal surface of each palp with ~10 tall, rounded transverse folds covering ~90% of inner palp surface, leaving thin smooth area at palp edges, corresponding to ~10% of total inner palp area. Folds decreasing in length toward mouth, forming shallow channels directed to anterior and posterior portions of mouth (
|
||
<figureCitation id="A3E1F94DDD28F8AE94FDD094CAB53CD0" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Fig. 32</figureCitation>
|
||
). Gill wide, ~60% times wider than outer hemipalp, equivalent to ~30% of total valve area (
|
||
<figureCitation id="C1B8EA89BFAE1DE46D1449D13FDBFEAB" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Fig. 25</figureCitation>
|
||
). Ctenidia eulamellibranch with two demibranchs (
|
||
<figureCitation id="B8FD888FD6F1AACB99224051DD12C0E8" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Fig. 30</figureCitation>
|
||
). Outer demibranch, fusiform, twice as long as wide; folded upon ~30% of its own area; covering pericardial and renal areas; connected to mantle lobe by tissue for ~15% of posterodorsal border length (
|
||
<figureCitation id="CD5489CB009CFBE5E0F0A27657A7B5F8" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Fig. 25</figureCitation>
|
||
); inner demibranch triangular, ~1.5 times longer than wide; folded upon 50% of its own area; covered by outer demibranch in area equivalent to ~20% of its own area; food groove along ventral surface of inner demibranch (
|
||
<figureCitation id="D90144778E0146D61670B4AA386653F8" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Figs 30</figureCitation>
|
||
,
|
||
<figureCitation id="036BF312F02DB05D33F9119F9FD5D964" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">33</figureCitation>
|
||
:
|
||
<emphasis id="FE9621E3CEE584AECBBE8BB2EBA9DEE5" bold="true" pageId="0" pageNumber="517">fg</emphasis>
|
||
); demibranchs connected to each other at posterior end by tissue (
|
||
<emphasis id="38B4E2E64211A880AA91B594B516B9D4" bold="true" pageId="0" pageNumber="517">gf</emphasis>
|
||
), fusion length equivalent to 25% of total gill length (
|
||
<figureCitation id="A34E6421CD3011C477E3945D9734CCB0" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Figs 25</figureCitation>
|
||
,
|
||
<figureCitation id="F410392386150EDC6F0C429215A7CEE0" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">33</figureCitation>
|
||
); each demibranch thin, fragile, without signs of chemosymbiotic bacteria (
|
||
<figureCitation id="E2CB4070540D77912719AC7C43ECBCAC" captionStart="Figures 11–24" captionStartId="F2" captionText="Figures 11 - 24. Cyrenoida floridana, shell and gills details. 11 - 22, 23. UF 246126; 24. FMNH 328260. 11. Left valve, external view; 12. Right valve, external view; 13. Dorsal view of shell; 14. Anterior view of shell; 15. Posterior view of shell; 16. Left valve, internal view, muscle scars and pallial line outlined; 17. Right valve, internal view; 18. Left hinge, SEM; 19. Right hinge, SEM; 20. Internal surface of shell, SEM, showing microtubule orifices; 21. Detail of microtubule patch; 22. Fractured shell showing microtubules partially through shell thickness; 23. Detail of nodules at shell internal surface; 24. Gill fragment, transverse section, SEM. Scale bars: 1 mm (11 - 17, 23); 200 µm (18, 19); 20 µm (20 - 22), 0.5 mm (23); 10 µm (24)." figureDoi="10.3897/zse.95.38456.figures11-24" httpUri="https://binary.pensoft.net/fig/350196" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures11-24">Figs 24</figureCitation>
|
||
,
|
||
<figureCitation id="E55228636FA075A849842121441C0369" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">30</figureCitation>
|
||
). Suprabranchial chamber ~1/3 of infrabranchial chamber volume (
|
||
<figureCitation id="885DAE2972523A0422B7847B11622289" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Fig. 26</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="6A246048CDBB1A84BF3AFDD7BA4762C9" pageId="0" pageNumber="517">
|
||
<emphasis id="531DFF593D5397C233F2C2A81185B165" bold="true" pageId="0" pageNumber="517">Visceral mass</emphasis>
|
||
(
|
||
<figureCitation id="3022637C6F8BE2CA6E9E92D337A8EF53" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Fig. 26</figureCitation>
|
||
): Triangular, occupying half of total internal shell volume, laterally flattened, 2 times as wide as muscular base; ~40% of anterodorsal portion filled by brown digestive gland (
|
||
<emphasis id="1CEFC7F17FA9D7612E394E6B0C8E7DF2" bold="true" pageId="0" pageNumber="517">dg</emphasis>
|
||
); remaining area filled by cream-colored gonad (
|
||
<emphasis id="90EDCF1A58349C13E32855A69DA3D28E" bold="true" pageId="0" pageNumber="517">go</emphasis>
|
||
). Stomach and style sac located vertically in central portion of visceral sac.
|
||
</paragraph>
|
||
<paragraph id="8BAC8BD72828DAAA44A157D1F53D777A" pageId="0" pageNumber="517">
|
||
<emphasis id="A48075C916DF381151379E37A75392F2" bold="true" pageId="0" pageNumber="517">Circulatory and excretory systems</emphasis>
|
||
(
|
||
<figureCitation id="D52C48987A0374655860FC10027EC11A" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Figs 26</figureCitation>
|
||
,
|
||
<figureCitation id="9D43AD5AD847BFE2E196A7091DCE9E17" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">34</figureCitation>
|
||
): Pericardium located in posterodorsal region of visceral sac, between posterior region of umbonal cavity and dorsal surface of kidney (
|
||
<figureCitation id="250D4D7D6BA36BFC04C6675B40F6989D" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Fig. 34</figureCitation>
|
||
), ~2 times as long as wide; occupying ~25% of total visceral mass volume. Paired auricles (
|
||
<emphasis id="14662219666744BABF08D87F5217FA72" bold="true" pageId="0" pageNumber="517">au</emphasis>
|
||
) anteroposteriorly elongated, connecting to main axis of gills along ~1/3 of gill length; walls thin, translucent. Ventricle (
|
||
<emphasis id="2A24C835BEDCBB6F078AB1526E7B2894" bold="true" pageId="0" pageNumber="517">ve</emphasis>
|
||
) elongated, thick, located at central pericardial region, surrounding ~45% of intestine crossing pericardial area, connected to auricles at median portion of lateral walls. Kidney light brown, triangular, located posteroventral to visceral mass, between ventral wall of pericardium and dorsal surface of posterior pedal retractor muscles, occupying ~25% of total visceral mass volume. Nephropores (
|
||
<figureCitation id="10369E15C9C81507B375518F2B529B20" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Fig. 26</figureCitation>
|
||
:
|
||
<emphasis id="D4A815CE492CCEDDB964C0F989164DC9" bold="true" pageId="0" pageNumber="517">np</emphasis>
|
||
) small, located at anterior third of kidney length, near genital pore (
|
||
<figureCitation id="74304D8EA50F6FF1659987D0B40F3164" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Fig. 26</figureCitation>
|
||
:
|
||
<emphasis id="D93C33357D3A39BCF06839DD92AF4165" bold="true" pageId="0" pageNumber="517">gp</emphasis>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="066CF36D80CBBBDF3BF371E80B339763" pageId="0" pageNumber="517">
|
||
<emphasis id="60044538ACAF2E662F834D875990DF0C" bold="true" pageId="0" pageNumber="517">Digestive system</emphasis>
|
||
(
|
||
<figureCitation id="FC9ED2013E112C88D4AEB29D792A14C0" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">Figs 35-37</figureCitation>
|
||
): Palps and digestive gland as described above. Mouth small, located centrally between pairs of inner and outer labial palps. Esophagus (
|
||
<emphasis id="A950E46A6A04FF48E18EEB0FE786F180" bold="true" pageId="0" pageNumber="517">es</emphasis>
|
||
) long, narrow, length ~30% and height ~10% of visceral sac length and height (
|
||
<figureCitation id="9823E95094117966E6591A75CA941B66" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">Fig. 35</figureCitation>
|
||
), cylindrical, running separate from anterior adductor muscle between and parallel to anterior portion of paired anterior pedal retractor muscles; internal surface covered by longitudinal folds, forming esophageal rim at stomach entrance (
|
||
<figureCitation id="1E09C05242A6A92B0A580EF77AE0D4C4" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">Fig. 37</figureCitation>
|
||
,
|
||
<emphasis id="9EAAA5C36B5D971E8BE0E17C1CFC0F84" bold="true" pageId="0" pageNumber="517">er</emphasis>
|
||
) in anteroventral region. Stomach (
|
||
<emphasis id="41C8473B032F10DE122BF5D5FFCF1B9A" bold="true" pageId="0" pageNumber="517">st</emphasis>
|
||
) wide, occupying ~30% of visceral sac volume, conical, funnel-like, located anterior to umbo (
|
||
<figureCitation id="01CF753F5351EEAB2F7E99846F1C470D" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">Fig. 35</figureCitation>
|
||
); length ~60% of total visceral sac length, ~30% of its height; posterior portion ~60% taller than anterior portion. Paired apertures to digestive caeca located ventrolaterally, turned toward ventral portion of visceral sac, located side by side at anterior portion of stomach. Dorsal hood (
|
||
<emphasis id="6811BCF69746038916EF0B40F5018390" bold="true" pageId="0" pageNumber="517">dh</emphasis>
|
||
) long, thin, length ~40% of total stomach length, anteriorly bluntly pointed. Left pouch (
|
||
<emphasis id="742E48059D1CBCB8527380E6B484A075" bold="true" pageId="0" pageNumber="517">lp</emphasis>
|
||
) located below anterior portion of dorsal hood, shallow, wide, occupying ~20% of external area of left stomach wall, with ducts to digestive gland connecting at its central region (
|
||
<figureCitation id="31794E5FE80EB0F53CD2646C22E75EE5" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">Fig. 36</figureCitation>
|
||
:
|
||
<emphasis id="E975730DAB3ADF6600DFB2128D9077F6" bold="true" pageId="0" pageNumber="517">dd</emphasis>
|
||
). Stomach internal surface mostly smooth, with three well-developed sorting areas (
|
||
<figureCitation id="7BC63E02E3D138463BAEFF9C95B8E22F" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">Fig. 37</figureCitation>
|
||
); first sorting area starting at left side of esophageal rim, running along dorsal wall of anterior stomach chamber, penetrating dorsal hood, narrow, comprised of small transverse folds (
|
||
<emphasis id="8AB58F2BB87FECDB1FBEC1806D8D8DFD" bold="true" pageId="0" pageNumber="517">sa 1</emphasis>
|
||
). Second sorting area originating ventral to first sorting area, at left side of esophageal rim, running along left wall of anterior stomach chamber, entering left pouch and dorsal hood, both on their ventral surfaces, broad, formed by thickening of stomach wall (
|
||
<emphasis id="46AF334DE1E471A2FD9EBCD09B8A7DEC" bold="true" pageId="0" pageNumber="517">sa 2</emphasis>
|
||
).Third sorting area starting inside dorsal wall of dorsal hood, running along dorsal and right walls of posterior stomach chamber, until diffusing on ventral portion of right wall (
|
||
<emphasis id="7A8F21F37EDDF65F399C2D8770AC02CF" bold="true" pageId="0" pageNumber="517">sa 3</emphasis>
|
||
). Gastric shield (
|
||
<emphasis id="D85FF7320CBB1D82DDC19D635B26BF55" bold="true" pageId="0" pageNumber="517">gs</emphasis>
|
||
) located at central dorsal wall, occupying ~40% of total gastric area, with two anterior projections, one dorsal at left border, penetrating dorsal hood, and one left ventral, penetrating left pouch. Two narrow, tall gastric ridges running along ventral stomach chamber, forming major and minor typhlosoles at style sac entrance (
|
||
<figureCitation id="1B278CB4F5FDB4D5A007EBCC5654F706" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">Fig. 37</figureCitation>
|
||
). Longer ridge originating posterior to left caecum, penetrating caecum and exiting its anterior end, running toward anterior portion of stomach, performing curve, penetrating anterior end of right caecum, exiting that caecum at its posterior end, penetrating style sac at its right side, forming major typhlosole (
|
||
<emphasis id="1F25D14CA48512A288DE7F3B89D00B20" bold="true" pageId="0" pageNumber="517">mt</emphasis>
|
||
). Shorter fold originating at style sac entrance, at region of major typhlosole penetration into style sac, forming rim bordering style sac entrance and ultimately minor typhlosole (
|
||
<emphasis id="2F9FA12322CF0AC6A09B3CD60AFCC851" bold="true" pageId="0" pageNumber="517">nt</emphasis>
|
||
). Style sac (
|
||
<emphasis id="57652A2C8BE6B376EB24A96E66B98D5A" bold="true" pageId="0" pageNumber="517">ss</emphasis>
|
||
) connecting stomach ventrally (
|
||
<figureCitation id="429DC2BEADD0E0935BB91538A1818FD0" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">Fig. 35</figureCitation>
|
||
), tapering ventrally, ~3.3 times longer than wide, occupying ~12% of visceral sac total volume; style sac height equivalent to 50% of visceral sac length, and ~10% of its width. Intestine (
|
||
<emphasis id="13C0AE0BD288E993F75C2187CF42A2CD" bold="true" pageId="0" pageNumber="517">in</emphasis>
|
||
) thin, long, originating between typhlosoles, merging with style sac initially, narrowing after ventral end of style sac, passing ventrally below central stomach, penetrating pedal musculature at ~5% of foot height, contacting dorsal surface of posterior pedal retractor muscles, curving toward right, following posterodorsal portion of visceral sac, parallel to style sac; intestine total length ~7 times longer than style sac. Anus simple, sessile, on ventral surface of posterior adductor muscle (
|
||
<figureCitation id="C95B29E57ABBBCC0A9EBA6D9C8E64D7C" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Fig. 31</figureCitation>
|
||
,
|
||
<figureCitation id="B4BAAA8E617D1F52FE4B1ABB11DDB73D" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">35</figureCitation>
|
||
:
|
||
<emphasis id="D94A69171EC86D6950C6E04CF1B4C9B5" bold="true" pageId="0" pageNumber="517">an</emphasis>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="5C399DCCB98D164AEB2FE6AA7E226AC6" pageId="0" pageNumber="517">
|
||
<emphasis id="BAE144247CD0C0EE1D194031F5862058" bold="true" pageId="0" pageNumber="517">Reproductive system</emphasis>
|
||
(
|
||
<figureCitation id="5248806BBEB82C6BBF8F5F205722A8E2" captionStart="Figures 25–34" captionStartId="F3" captionText="Figures 25 - 34. Anatomy of Cyrenoida floridana (FMNH 328260). 25. Right view valve removed, some structures seen by transparency of mantle lobe; 26. Same, with mantle and gill removed; 27. Incurrent and excurrent siphons, posterolateral view, right mantle lobe partially removed, some adjacent structures shown; 28. Siphonal tips; right view, both partially sectioned longitudinally; 29. Mantle border, section in its ventromedial portion; 30. Gill, transverse section in its central portion; 31. Incurrent and excurrent siphons, interior view, with details of their base and siphonal muscles; 32. Labial palps, ventral view, outer hemipalps deflected dorsally; 33. Posteroventral visceral region, ventral view, showing fusion of inner demibranchs in siphonal base; 34. Pericardial region, posterodorsal view, dorsal mantle wall partially removed. Scale bars: 2 mm (25 - 28, 31, 33 - 34); 1 mm (29, 30, 32)." figureDoi="10.3897/zse.95.38456.figures25-34" httpUri="https://binary.pensoft.net/fig/350197" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures25-34">Fig. 26</figureCitation>
|
||
): Gonads with branched aspect, opaque, cream-colored. Paired gonoducts connected to gonadal acini branches along posterodorsal portion of visceral sac. Genital pores simple (
|
||
<emphasis id="BCFC03D3E12F681BE52ACA4DD10C3030" bold="true" pageId="0" pageNumber="517">gp</emphasis>
|
||
), located at posterior portion of visceral mass, at ~20% of visceral mass height, near nephropore (
|
||
<emphasis id="4D020DF71A465BB67E8D8C578CC9CF8C" bold="true" pageId="0" pageNumber="517">np</emphasis>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="A5C25FA9360D14F0BA18E62F5A45A33D" pageId="0" pageNumber="517">
|
||
<emphasis id="F9FAE6206B485488EB39214821C50F19" bold="true" pageId="0" pageNumber="517">Central nervous system</emphasis>
|
||
(
|
||
<figureCitation id="8C4AB65E578D6CD6CDECCF3BA6147449" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">Figs 38-41</figureCitation>
|
||
): Paired cerebral ganglia (
|
||
<figureCitation id="6871CE1F4406ACBF04402DD9DC5F060B" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">Figs 38</figureCitation>
|
||
,
|
||
<figureCitation id="1A2D95047F4C2BA8DFCADC5219D76A88" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">41</figureCitation>
|
||
:
|
||
<emphasis id="940116972A19DE27DB970AACF0EC5DF0" bold="true" pageId="0" pageNumber="517">cg</emphasis>
|
||
) surrounding dorsal surface of anterior esophagus, dorsal to external surface of outer labial palp, triangular, longer than wide (
|
||
<figureCitation id="62EC39364A2343867D77A67287159D65" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">Fig. 38</figureCitation>
|
||
), length 50% of esophageal length. Each cerebral ganglion ~50% width of transverse section of esophagus. Cerebral commissure ~50% longer than ganglia length; anterior adductor muscle nerve (
|
||
<emphasis id="09F5C3B21783A4CABC2719806F9DFC96" bold="true" pageId="0" pageNumber="517">na</emphasis>
|
||
) originating at anterior end of cerebral ganglion, contacting posterior surface of anterior adductor muscle, bifurcating into two main branches; internal branch penetrating posterodorsal third of muscle, diffusing into muscle; outer branch bordering posterior surface of anterior muscle until contacting pallial region and diffusing into muscle. Two additional pairs of nerves originating dorsally on cerebral ganglia, anterior to cerebrovisceral connective (
|
||
<emphasis id="D8BDBE6F107B2B6B3216F18F6D6AF449" bold="true" pageId="0" pageNumber="517">cv</emphasis>
|
||
) crossing visceral mass, contacting gonopore dorsally, bordering anterior portion of kidney and connecting dorsally with visceral ganglia, connecting cerebropedal connective (
|
||
<emphasis id="E9409BAADE63E57CCED7C47E077C21E7" bold="true" pageId="0" pageNumber="517">cp</emphasis>
|
||
) running immersed in pedal muscles, connecting to anterior region of paired pedal ganglia (
|
||
<figureCitation id="3BD54A66C336494046F24E1844A3D264" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">Figs 40</figureCitation>
|
||
,
|
||
<figureCitation id="89C10E9B9D0A9A8FB726BB1DD6E2152B" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">41</figureCitation>
|
||
:
|
||
<emphasis id="D775CBBCF05B61A173F230B6798F4220" bold="true" pageId="0" pageNumber="517">pg</emphasis>
|
||
). Paired visceral ganglia (
|
||
<figureCitation id="BCD79603F2FD90AAED6926C735E821FB" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">Figs 39</figureCitation>
|
||
,
|
||
<figureCitation id="4C69DCE9C6C796E3DED72E36431E3DA4" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">41</figureCitation>
|
||
:
|
||
<emphasis id="10D2143F0F207F89322CB7691E2FBDB6" bold="true" pageId="0" pageNumber="517">vg</emphasis>
|
||
) fusiform, of similar length and height, length ~60% of cerebral ganglia length, partially fused medially, with subcentral groove; located ventral to paired posterior pedal retractor muscle, parallel with posterior adductor muscle, at dorsal tip connecting to cerebrovisceral connective (cv, as described above) and renal nerve (
|
||
<emphasis id="49525AE296AB8AA42EA0302029057D3D" bold="true" pageId="0" pageNumber="517">rn</emphasis>
|
||
), penetrating kidney area; laterally originating ctenidial nerves (
|
||
<emphasis id="933569E1EADF4B8F8A4DBB86E4DF7A14" bold="true" pageId="0" pageNumber="517">cn</emphasis>
|
||
) running through central axis of posterior portion of gills; dorsally originating posterior adductor muscle nerve, penetrating mid-region of anterior surface of posterior adductor muscle; at ventral tip originating pallial nerve (
|
||
<emphasis id="C167D14B99A10E4AAC14106908FAFF84" bold="true" pageId="0" pageNumber="517">pn</emphasis>
|
||
), contacting anterior surface of ventral portion of posterior adductor muscle, running toward incurrent and excurrent siphonal muscles, reaching excurrent opening, originating single, short nerve (
|
||
<emphasis id="E577FB7D789259B020A21C7CF07ED191" bold="true" pageId="0" pageNumber="517">sn</emphasis>
|
||
) that runs parallel to ~25% of dorsal siphonal muscle length, continuing parallel to mantle border, diffusing into mantle lobe edge. Paired pedal ganglia totally fused (
|
||
<figureCitation id="689C59928EAA43FE3CDBDA372A86E73B" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">Figs 40</figureCitation>
|
||
,
|
||
<figureCitation id="CA9BDF5688E3CE284A56F84AEB04A2F0" captionStart="Figures 35–41" captionStartId="F4" captionText="Figures 35 - 41. Anatomy of Cyrenoida floridana (FMNH 328260). 35. Digestive tubes as in situ; right lateral view; 36. Stomach, left lateral view; 37. Stomach, right lateral view, right wall opened and deflected to show inner gastric surface; 38. Cerebral ganglia, ventral view; 39. Visceral ganglia, ventral view; 40. Pedal ganglia; right figure in lateral right view, left figure in dorsal view; 41. Nervous system topology, right lateral view. Scale bars: 2 mm (35 - 41, 40); 0.5 mm (38 - 40)." figureDoi="10.3897/zse.95.38456.figures35-41" httpUri="https://binary.pensoft.net/fig/350198" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures35-41">41</figureCitation>
|
||
:
|
||
<emphasis id="F4B515D69B827A562A3150D692B3E1D2" bold="true" pageId="0" pageNumber="517">pg</emphasis>
|
||
), oval, longer than wide, ~20% wider than visceral ganglia; located internal to posterior pedal retractor muscles, dorsal to foot insertion, at anterior tip connecting with cerebropedal connectives from cerebral ganglia; at posterior tip connecting two pairs of nerves, with dorsal pair running toward posterior region, inside posterior pedal retractor muscles; posteroventral pair curving ventrally, running into foot.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="51CD134139BAA8E6AAEC84DAEB1D6A55" pageId="0" pageNumber="517" type="habitat">
|
||
<paragraph id="040CC7C0228E2F9181532809D7849CFA" pageId="0" pageNumber="517">Habitat.</paragraph>
|
||
<paragraph id="A34DA6AA19D9056FF4DFCF7BF24B89BC" pageId="0" pageNumber="517">
|
||
Infaunal, in muddy sand; usually positioned vertically in about 2 cm depth (
|
||
<bibRefCitation id="E7DFF3EF3D6CFE527F9BD4ECA5FE1647" author="Kat, PW" journalOrPublisher="MS Thesis, University of Delaware, Delaware" pageId="0" pageNumber="517" refId="B43" refString="Kat, PW, 1978. The functional morphology and ecology of Cyrenoidafloridana Dall (Bivalvia: Cyrenoididae). MS Thesis, University of Delaware, Delaware" title="The functional morphology and ecology of Cyrenoidafloridana Dall (Bivalvia: Cyrenoididae)." year="1978">Kat 1978</bibRefCitation>
|
||
), in mangrove areas and brackish waters.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="1925A5D5AE6F47955F618DE1783CE89B" pageId="0" pageNumber="517" type="description">
|
||
<paragraph id="CE48534A761133E9F25F6233B2079BEA" pageId="0" pageNumber="517">Measurements.</paragraph>
|
||
<paragraph id="40C19F69BF9B361F3E2669A3B856FBA7" pageId="0" pageNumber="517">
|
||
(length by height by width, in mm): FMNH 328260 (specimen #1 of 4): 14.2
|
||
<normalizedToken id="275B53A714D4D4DE13868A43A0F0B0C9" originalValue="×">x</normalizedToken>
|
||
13.4 by 8.5; UF 122840 #1: 12.5
|
||
<normalizedToken id="6EC6A68D3CF28E7EDA3976A33378DB73" originalValue="×">x</normalizedToken>
|
||
11.4
|
||
<normalizedToken id="05B76E089012596D2D68A1A930A42162" originalValue="×">x</normalizedToken>
|
||
8; UF 264025 #1: 10.8
|
||
<normalizedToken id="037B6C2912DF51D9A79646F39DD5F429" originalValue="×">x</normalizedToken>
|
||
10.3
|
||
<normalizedToken id="8DDF2C893B8F616EB9EC5610A71062EE" originalValue="×">x</normalizedToken>
|
||
5.6; #2: 14.18
|
||
<normalizedToken id="C82271E1B344E41B0EFAE6B4C67AA4E9" originalValue="×">x</normalizedToken>
|
||
13.55
|
||
<normalizedToken id="E2B0377ECF496B7F4624CB4E82939B7A" originalValue="×">x</normalizedToken>
|
||
8.55.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="096A5304DD5444F3EDB5BC7536E0BF13" pageId="0" pageNumber="517" type="distribution">
|
||
<paragraph id="A252DD3910E9445168456F40B67585BC" pageId="0" pageNumber="517">Distribution.</paragraph>
|
||
<paragraph id="709B4471BB3A7AAE5FC0465C5767A3C7" pageId="0" pageNumber="517">
|
||
<emphasis id="6B03A9586ABB8B515B3189AF2FDAA2E7" bold="true" pageId="0" pageNumber="517">USA</emphasis>
|
||
: eastern coast from Delaware to the Florida Keys, and Gulf of Mexico coast from western Florida to Texas;
|
||
<emphasis id="AAED5D963AC8E8BB4E9105C73CF93B64" bold="true" pageId="0" pageNumber="517">Bahamas</emphasis>
|
||
;
|
||
<emphasis id="570C386D19AE347E46C13365ED58EE98" bold="true" pageId="0" pageNumber="517">Mexico</emphasis>
|
||
: Yucatan, Quintana Roo;
|
||
<emphasis id="6000437DD6358C3D8D98B3020A1C5ABD" bold="true" pageId="0" pageNumber="517">Guatemala</emphasis>
|
||
;
|
||
<emphasis id="788C124A48EE559D6F4DC5EA2BA5D5F5" bold="true" pageId="0" pageNumber="517">Bonaire</emphasis>
|
||
(
|
||
<bibRefCitation id="8C2F1753889EB55DF7AD32F3F5CCDCE4" author="Lee, HG" journalOrPublisher="Jacksonville Shell Club Inc., Jacksonville" pageId="0" pageNumber="517" refId="B48" refString="Lee, HG, 2009. Marine Shells of Northeast Florida. Jacksonville Shell Club Inc., Jacksonville" title="Marine Shells of Northeast Florida." year="2009">Lee 2009</bibRefCitation>
|
||
);
|
||
<emphasis id="B84511CBDC7D7FF092E010EF0EF36752" bold="true" pageId="0" pageNumber="517">Suriname.</emphasis>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="750D3F450A281C357AAE455924884394" pageId="0" pageNumber="517" type="type material">
|
||
<paragraph id="2D1E54F1B07683383E8221E756A92FCF" pageId="0" pageNumber="517">Type material.</paragraph>
|
||
<paragraph id="FB3A64239B99421C81AB6FFD140B863D" pageId="0" pageNumber="517">
|
||
<emphasis id="A785B6506237258B408A6523C65FF815" bold="true" pageId="0" pageNumber="517">Syntypes</emphasis>
|
||
:
|
||
<taxonomicName id="0D9EA8AF088CD11EA5128977F905713E" class="Bivalvia" family="Cyrenoididae" genus="Cyrenoidea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cyrenoidea floridana" order="Venerida" pageId="0" pageNumber="517" phylum="Mollusca" rank="species" species="floridana">
|
||
<emphasis id="468A5CC6266000578AAD6FFEAEC000B8" italics="true" pageId="0" pageNumber="517">Cyrenoidea floridana</emphasis>
|
||
</taxonomicName>
|
||
: United Stated Of America •
|
||
<emphasis id="D91117B3907440665558D2AAA1584035" bold="true" pageId="0" pageNumber="517">Florida</emphasis>
|
||
, Fort Myers, Everglades; 2 specimens; USNM 87735. Marco Island; 3 specimens; USNM 60974. 3 specimens, USNM 60975; Boca Ciega Bay; 3 specimens; USNM 60973. St Johns River mouth; 10 specimens; USNM 46846 (
|
||
<figureCitation id="311B43A858DCA5AF2091153DBD6152AF" captionStart="Figures 1–10" captionStartId="F1" captionText="Figures 1 - 10. Syntypes of Cyrenoida floridana and lectotype of C. guatemalensis. 1 - 4. Cyrenoida floridana (USNM 46846, length 12 mm, height 13 mm). 1. Left valve, external view; 2. Right valve, external view; 3. Left valve, internal view; 4. Right valve, internal view; 5 - 10. Cyrenoida guatemalensis (ANSP 107532; length 8.6 mm, height 8.9 mm). 5. Left valve, external view; 6. Right valve, external view; 7. Left valve, internal view; 8. Right valve, internal view; 9. Detail of left hinge; 10. Detail of right hinge. Scale bar: 2 mm." figureDoi="10.3897/zse.95.38456.figures1-10" httpUri="https://binary.pensoft.net/fig/350195" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures1-10">Figs 1-4</figureCitation>
|
||
).
|
||
<emphasis id="55E1E93270B5001EDBE487902C3E662C" bold="true" pageId="0" pageNumber="517">Georgia</emphasis>
|
||
, Brunswick Island; 30 specimens; USNM 129197.
|
||
<taxonomicName id="23A01408AB77BF0E9ACC52E25529D0BD" class="Bivalvia" family="Cyrenoididae" genus="Cyrenoidea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cyrenoidea guatemalensis" order="Venerida" pageId="0" pageNumber="517" phylum="Mollusca" rank="species" species="guatemalensis">
|
||
<emphasis id="C445D50A6A0E58F39C32ED7D726CA21F" italics="true" pageId="0" pageNumber="517">Cyrenoidea guatemalensis</emphasis>
|
||
</taxonomicName>
|
||
:
|
||
<emphasis id="11EA666786CE5F94B00D39629345B0B5" bold="true" pageId="0" pageNumber="517">Lectotype</emphasis>
|
||
: Guatemala • Livingstone; ANSP 107532 (
|
||
<figureCitation id="91B3350DF796B609D03CACA1D65A30D9" captionStart="Figures 1–10" captionStartId="F1" captionText="Figures 1 - 10. Syntypes of Cyrenoida floridana and lectotype of C. guatemalensis. 1 - 4. Cyrenoida floridana (USNM 46846, length 12 mm, height 13 mm). 1. Left valve, external view; 2. Right valve, external view; 3. Left valve, internal view; 4. Right valve, internal view; 5 - 10. Cyrenoida guatemalensis (ANSP 107532; length 8.6 mm, height 8.9 mm). 5. Left valve, external view; 6. Right valve, external view; 7. Left valve, internal view; 8. Right valve, internal view; 9. Detail of left hinge; 10. Detail of right hinge. Scale bar: 2 mm." figureDoi="10.3897/zse.95.38456.figures1-10" httpUri="https://binary.pensoft.net/fig/350195" pageId="0" pageNumber="517" tableDoi="10.3897/zse.95.38456.figures1-10">Figs 5-10</figureCitation>
|
||
). Note:
|
||
<bibRefCitation id="E586EAE977813F88C3B3893B48EBD816" author="Pilsbry, HA" journalOrPublisher="Proceedings of the Academy of Natural Sciences of Philadelphia" pageId="0" pageNumber="517" pagination="212 - 223" publicationUrl="https://biodiversitylibrary.org/page/1970848" refId="B68" refString="Pilsbry, HA, 1920. Mollusca from Central America and Mexico. Proceedings of the Academy of Natural Sciences of Philadelphia 71: 212 - 223" title="Mollusca from Central America and Mexico." url="https://biodiversitylibrary.org/page/1970848" volume="71" year="1920">
|
||
<normalizedToken id="433AE27EF513439D6880E31DDF8E062D" originalValue="Pilsbry’s">Pilsbry's</normalizedToken>
|
||
(1920)
|
||
</bibRefCitation>
|
||
description of
|
||
<taxonomicName id="339716E5FA928A481E1E87569A6C5A7D" lsidName="C. guatemalensis" pageId="0" pageNumber="517" rank="species" species="guatemalensis">
|
||
<emphasis id="B7AD6C56172795BC61BD5DBB9AC022BD" italics="true" pageId="0" pageNumber="517">C. guatemalensis</emphasis>
|
||
</taxonomicName>
|
||
can be read as having been based on a single specimen and
|
||
<bibRefCitation id="0F39282EA784999CC271A9B5C62813BF" author="van Regteren Altena, CO" journalOrPublisher="Studies on the Fauna of Suriname and other Guyanas" pageId="0" pageNumber="517" publicationUrl="www.vliz.be/imisdocs/publications/294199.pdf" refId="B5" refString="van Regteren Altena, CO, 1971. . www.vliz.be/imisdocs/publications/294199.pdf" url="www.vliz.be/imisdocs/publications/294199.pdf" year="1971">van Regteren Altena (1971</bibRefCitation>
|
||
: 41) interpreted the specimen of ANSP 107532 as a holotype. However, Pilsbry is known for imprecisely indicating the type material at hand (P. Callomon, G. Rosenberg pers. comm.) and the existence of more than one original type specimen cannot be excluded. We accept
|
||
<bibRefCitation id="790621997398DBCCDF36A580F13E5628" author="van Regteren Altena, CO" journalOrPublisher="Studies on the Fauna of Suriname and other Guyanas" pageId="0" pageNumber="517" publicationUrl="www.vliz.be/imisdocs/publications/294199.pdf" refId="B5" refString="van Regteren Altena, CO, 1971. . www.vliz.be/imisdocs/publications/294199.pdf" url="www.vliz.be/imisdocs/publications/294199.pdf" year="1971">
|
||
van Regteren
|
||
<normalizedToken id="125E76BE91C411560D762161E58CE727" originalValue="Altena’s">Altena's</normalizedToken>
|
||
(1971)
|
||
</bibRefCitation>
|
||
action as a fixation of lectotype by inference of holotype under ICZN (1999) Article 74.6.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="5A3AE2857D44F7493E9DB5962C3B9A46" pageId="0" pageNumber="517" type="materials_examined">
|
||
<paragraph id="3D0DB20287B18B26A86510671ED0BB0D" pageId="0" pageNumber="517">Examined material.</paragraph>
|
||
<paragraph id="D05C5D5CBD6C2F83807CD738222A9BF7" pageId="0" pageNumber="517">
|
||
United Stated Of America • 10 valves;
|
||
<emphasis id="A3A2252EB1BD76B7CEDE9C57A259E7FA" bold="true" pageId="0" pageNumber="517">Delaware</emphasis>
|
||
, Kent County, Bombay Hook; 01 Aug. 1954; Morrison and Rosso leg.; USNM 777892. • 10 valves;
|
||
<emphasis id="D418D0EE7AD2F3DE92CEAF8003ABE5FE" bold="true" pageId="0" pageNumber="517">New Jersey</emphasis>
|
||
, Delaware Bay, Cumberland County, Fortescue; 15 Jul. 1957; J.P.E. Morrison leg.; USNM 777894. • 6 valves; Delaware Bay, Cumberland County, Dividing Creek; J.P.E. Morrison leg.; 15 Jul. 1957; USNM 777895. • 20 valves;
|
||
<emphasis id="BCBCC37820E6A0A3B2ADE21AA0D138E3" bold="true" pageId="0" pageNumber="517">Maryland</emphasis>
|
||
, Dorchester County; J.P.E. Morrison leg.; 11 Jul. 1954; USNM 777893. • 10 valves; Dorchester County, near Elliot, gullet of black duck; F.M. Uhler leg.; USNM 592260. • 8 valves; Queen
|
||
<normalizedToken id="FEEB2A464E14B9FC4163DECC3F664C7E" originalValue="Anne’s">Anne's</normalizedToken>
|
||
County; 11 Jul. 1954; J.P.E. Morrison leg.; USNM 777890. • 12 valves; Arundel County, Deale, marshy, head of small inlet; 11 Jul. 1953; J.P.E. Morrison leg.; USNM 777887. • 6 valves; Arundel County; 15 Jul. 1953; J.P.E. Morrison leg.; USNM 777889. • 4 valves; Arundel County, Deale; 13 Jun. 1954; J.P.E. Morrison leg.; USNM 777888. • 6 valves;
|
||
<emphasis id="93EEEB6139C5966406D6394C85D55F44" bold="true" pageId="0" pageNumber="517">North Carolina</emphasis>
|
||
, Beaufort, under algal mats; R.W. Heard leg.; USNM 678947. • 1 specimen;
|
||
<emphasis id="A2E232324B64B121934F1018432B4D8F" bold="true" pageId="0" pageNumber="517">South Carolina</emphasis>
|
||
, Horry/Georgetown counties,
|
||
<normalizedToken id="E9E2F218ED4B3B90CA5051ECD68CF4E6" originalValue="Murrell’s">Murrell's</normalizedToken>
|
||
Inlet, in black muddy sand under log near high tide line, S. edge of inlet along road; 03 Dec.1955; J.P.E. Morrison leg.; USNM 1437782. • 6 valves;
|
||
<emphasis id="6C259DE17B705CC301397FE493658B1E" bold="true" pageId="0" pageNumber="517">Georgia</emphasis>
|
||
, McIntosh County, Fort King George Historic Site, Darien, exposed under drift logs and boards; 15 Dec. 1954; Cmdr. Miller leg.; USNM 707264. • 4 valves; Glynn County, Saint Simons Island; Oct.1938; H.A. Rehder leg.; USNM 535386. • 1 valve;
|
||
<emphasis id="A7EAAFFD24F97FB3CE3A82359558D16D" bold="true" pageId="0" pageNumber="517">Mississippi</emphasis>
|
||
, Jackson County, Halstead Bayou; Gulf Coastal Marine Laboratory leg.; UF 246126. • 15 valves;
|
||
<emphasis id="75DCAE8828B42FD4756B227B0BB84A94" bold="true" pageId="0" pageNumber="517">Florida</emphasis>
|
||
, Wakulla County, St. Marks; 17 Jun. 1958; United States Fish and Wildlife Service leg.; USNM 612256. • 5 valves; Saint Johns County, Saint Augustine; F.E. Spinner leg.; ANSP 54330. • 6 valves; Saint Johns County, Halifax River; USNM 253659. • 12 valves; Volusia County, Daytona [Beach]; C.W. Johnson leg.; USNM 336943. • 2 valves; Marion County, creek SE of Ocala; 15 May. 1928; T. Van Hyning leg.; ANSP 152656. • 8 valves; Citrus County, Homosassa; E. Roper leg.; USNM 131462. • 4 specimens; Hernando County; G. Prime leg.; ANSP 68457. • 25 specimens; Hernando County, Aripeka; G. Prime leg.; ANSP 73905. • 20 valves; Pasco/Hernando counties, Aripeka; L. Pine leg.; USNM 149932. • 10 valves; Hernando County, Little Blind Creek; 04 Dec. 1927; T. Van Hyning leg.; ANSP 149568. • 1 valve; Pasco/Hillsborough counties, Hillsborough River; E.J. Post leg.; USNM 591792. • 6 valves; Charlotte County, Punta Gorda; 1928; J.L. Madden leg.; USNM 592290. • 1 specimen; Glades County, Caloosahatchee River; C.W. Johnson leg.; ANSP 62888. • 5 valves; W Florida; C.W. Johnson leg.; ANSP 59610. • 30 valves; Collier County, Carnestown; 12 Apr. 1928; T. Van Hyning leg.; ANSP 152655. • 4 valves; Dade County, Miami; Olsen leg.; USNM 153404. • 10 valves; Dade County, Miami; 07 Apr. 01; Benedict leg.; USNM 330959. • 10 specimens; Dade County, Miami; S. N. Rhoads leg.; ANSP 77046. • 8 valves; Dade County, Miami; S. N. Rhoads leg.; ANSP 189416. • 16 valves; Lee County, Fort Myers; Hend. leg.; USNM 455820. • 16 valves; Lee County, Fort Myers; Henderson leg.; UNSM 425820. • 2 valves; Lee County, Fort Myers, Everglades; 1896; C.W. Johnson leg.; USNM 87735; syntype. • 20 valves; Monroe County, Big Pine Key; C. Margaret leg.; UF 122840. • 14 valves; Florida Keys, Monroe County, Big Pine Key; 27-28 Dec. 1956; C. Phillips, F. Philips leg.; FMNH 63059. • 31 valves; Florida Keys, Monroe County, pond on Big Pine Key; 1968; M. Teskey leg.; FMNH 293174. • 4 specimens + 15 valves; Florida Keys, Monroe County, Blue Hole quarry on Big Pine Key, Florida Keys;
|
||
<geoCoordinate id="DBC952F8EE212E9EC53A89CB9993ADD6" degrees="024" direction="north" minutes="42" orientation="latitude" precision="15" seconds="21" value="24.705833">024°42'21"N</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="9A786288877C4ABBB0FE0938EE817CC6" degrees="081" direction="west" minutes="22" orientation="longitude" precision="15" seconds="49" value="-81.38028">081°22'49"W</geoCoordinate>
|
||
; shoreline sediment at base of vegetation, salinity measured at 3 ppt; sta. FK-727; 03 May. 2004; R. Bieler, P.M. Mikkelsen leg.; FMNH 328260. • 67 valves; Florida Keys, Monroe County, Blue Hole quarry on Big Pine Key;
|
||
<geoCoordinate id="A52C52D28FDA375DD738D5C15B4B08F2" degrees="024" direction="north" minutes="42" orientation="latitude" precision="15" seconds="24" value="24.706667">024°42'24"N</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="A37E0A00792A2880BD10C75162C3E13A" degrees="081" direction="west" minutes="22" orientation="longitude" precision="15" seconds="48" value="-81.380005">081°22'48"W</geoCoordinate>
|
||
; sta. FK-794; 18 Nov. 2007; R. Bieler, P. Sierwald, E.A. Glover, J.D. Taylor leg.; same locality as in study by Taylor
|
||
<emphasis id="2F38C602C9C2FC2FBE33E07BFB5B5901" italics="true" pageId="0" pageNumber="517">et al</emphasis>
|
||
., 2009; FMNH 333534. • 5 valves; Florida Keys, Monroe County, off mangrove island SE of Cudjoe Key;
|
||
<geoCoordinate id="231F3F133F57C72442A0ECDE931998F0" degrees="024" direction="north" minutes="38" orientation="latitude" precision="15" seconds="12" value="24.636667">024°38'12"N</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="96FB15CD1195AD59FBE2B664ACC32B58" degrees="081" direction="west" minutes="18" orientation="longitude" precision="15" seconds="12" value="-81.30334">081°18'12"W</geoCoordinate>
|
||
; 1 m; sta. FK-745; 15 May. 2005; R. Bieler, P. Mikkelsen leg.; FMNH 333533. • 11 valves; Florida Keys, Monroe County, quarry on Big Pine Key, in sediment on shoreline rock;
|
||
<geoCoordinate id="68CC226B912C1E88D925CD70E5172A9B" degrees="024" direction="north" minutes="41" orientation="latitude" precision="15" seconds="56" value="24.698889">024°41'56"N</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="24A96DD7C7EF43EEC64FEC031F585E31" degrees="081" direction="west" minutes="23" orientation="longitude" precision="15" seconds="03" value="-81.38416">081°23'03"W</geoCoordinate>
|
||
; sta. FK-728; 03 May. 2005; R. Bieler, P. Mikkelsen leg.; FMNH 333535. • 3 valves; Florida Keys, Monroe County, mosquito ditch on Big Pine Key;
|
||
<geoCoordinate id="5F74D31753C58F6CD55C85B8C647330C" degrees="024" direction="north" minutes="42" orientation="latitude" precision="15" seconds="30" value="24.708334">024°42'30"N</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="7A3A970FC7EF4903DDD7E356677AA5EF" degrees="081" direction="west" minutes="23" orientation="longitude" precision="15" seconds="02" value="-81.38389">081°23'02"W</geoCoordinate>
|
||
; sta. FK-939; 25 Apr. 2010; R. Bieler, P. Mikkelsen leg.; FMNH 333532. • 3 valves; Florida Keys, Monroe County, Spanish Harbor Key; sta. JG-708-0; 08 Jun.2000; J. Gerber leg.; FMNH 308431. • 1 valve; Florida Keys, Monroe County, Ohio Key, land-locked pond adjacent to
|
||
<normalizedToken id="554A8DA972F55F1661CACD4D8F1FE476" originalValue="Ohio–Missouri">Ohio-Missouri</normalizedToken>
|
||
Key bridge;
|
||
<geoCoordinate id="CDE26BEDEFF9B5A038486553510D1ECD" degrees="024" direction="north" minutes="40" orientation="latitude" precision="15" seconds="20" value="24.672222">024°40'20"N</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="1BCB29C3737AB82A61D3FDE5396F0A23" degrees="081" direction="west" minutes="14" orientation="longitude" precision="15" seconds="36" value="-81.24333">081°14'36"W</geoCoordinate>
|
||
; sta. FK-723; 29 Apr. 2004; R. Bieler, P. Mikkelsen leg.; FMNH 314324. • 4 valves; Monroe County, Boca Chica Key; H. Hemphill leg.; ANSP 7983. Bahamas • 14 valves;
|
||
<emphasis id="578CA6D7BA22EB20F51B6DF640928044" bold="true" pageId="0" pageNumber="517">Grand Bahama Island</emphasis>
|
||
;
|
||
<geoCoordinate id="59276633551347D8E17997A56859DB91" degrees="26" direction="north" minutes="31" orientation="latitude" precision="15" seconds="00" value="26.516666">26°31'00"N</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="0C36BD31EA4C994EBDC209E7EF368B36" degrees="78" direction="west" minutes="46" orientation="longitude" precision="15" seconds="30" value="-78.775">78°46'30"W</geoCoordinate>
|
||
; J.N. Worsfold leg.; ANSP 374956. • 1 valve; Dover Sound,
|
||
<geoCoordinate id="7BB70D32354E620D2EC170483E898D96" degrees="26" direction="north" minutes="35" orientation="latitude" precision="15" seconds="05" value="26.584723">26°35'05"N</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="E22F2160FC863027FDA83713CD1DBBFD" degrees="78" direction="west" minutes="13" orientation="longitude" precision="15" seconds="20" value="-78.22222">78°13'20"W</geoCoordinate>
|
||
, May.1983; J. N. Worsfold leg.; ANSP 374350. • 2 valves;
|
||
<geoCoordinate id="AFD1449497C06A48307AF28194FEA1B1" degrees="26" direction="north" minutes="31" orientation="latitude" precision="15" seconds="00" value="26.516666">26°31'00"N</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="A73A003D2D3B2E91357B22F5E194286F" degrees="78" direction="west" minutes="46" orientation="longitude" precision="15" seconds="30" value="-78.775">78°46'30"W</geoCoordinate>
|
||
; J.N. Worsfold leg.; ANSP 374957. • 6 valves;
|
||
<emphasis id="4D85BA33AF22D0BDC25E2094BDB6EA5F" bold="true" pageId="0" pageNumber="517">Abaco</emphasis>
|
||
; C.W. Johnson leg.; USNM 425821. • 2 valves; S side of Abaco; O. Bryant leg.; USNM 180503. Mexico • 10 valves (1 figured specimen);
|
||
<emphasis id="86E1584C70A9998C0A57053824B496CF" bold="true" pageId="0" pageNumber="517">Quintana Roo</emphasis>
|
||
, Boca de Paila; Tulane University leg.; UF 264025. • 20 valves; Tulane University; Emily & Harold Vokes leg.; UF 264026. GUATEMALA • 2 valves;
|
||
<emphasis id="BF7367BAC15DD9EEC5788DBD6CEB8A51" bold="true" pageId="0" pageNumber="517">Livingstone</emphasis>
|
||
; 1913; A. A. Hinkley leg.; syntype; ANSP 107532.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |