254 lines
27 KiB
XML
254 lines
27 KiB
XML
<document ID-CLB-Dataset="20961" ID-DOI="http://dx.doi.org/10.3897/zookeys.968.52986" ID-GBIF-Dataset="873f585d-77da-4e41-b3f3-285e5cadfd1d" ID-PMC="PMC7511454" ID-Pensoft-Pub="1313-2970-968-1" ID-Pensoft-UUID="0ABFD46F13B65EEE97867BC2166A59E3" ID-PubMed="33005079" ID-ZooBank="4296306E51B94873AB6F4B475194CA98" ModsDocID="1313-2970-968-1" checkinTime="1600294176945" checkinUser="pensoft" docAuthor="Egger, Christina, Neusser, Timea P., Norenburg, Jon, Leasi, Francesca, Buge, Barbara, Vannozzi, Angelo, Cunha, Regina L., Cox, Cymon J. & Joerger, Katharina M." docDate="2020" docId="ADB50B907DE4511DBC12F4A67DC2B51D" docLanguage="en" docName="ZooKeys 968: 1-42" docOrigin="ZooKeys 968" docSource="http://dx.doi.org/10.3897/zookeys.968.52986" docTitle="Caecum heptagonum Carpenter 1857" docType="treatment" docVersion="7" id="0ABFD46F13B65EEE97867BC2166A59E3" lastPageNumber="1" masterDocId="0ABFD46F13B65EEE97867BC2166A59E3" masterDocTitle="Uncovering the shell game with barcodes: diversity of meiofaunal Caecidae snails (Truncatelloidea, Caenogastropoda) from Central America" masterLastPageNumber="42" masterPageNumber="1" pageNumber="1" updateTime="1732687288945" updateUser="ExternalLinkService">
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<mods:titleInfo id="FD26558335943A7A8E1CE37300364EFA">
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<mods:title id="5971831D303E457AED49B0F2C740104C">Uncovering the shell game with barcodes: diversity of meiofaunal Caecidae snails (Truncatelloidea, Caenogastropoda) from Central America</mods:title>
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<mods:namePart id="E1FEAA18384EEA717B1A6F33D279D6B0">Egger, Christina</mods:namePart>
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<mods:affiliation id="8B4B570FE3867B5D9FC288B01B5219BE">SNSB-Zoologische Staatssammlung Muenchen, Muenchhausenstr. 21, 81247 Munich, Germany & CCMAR, Campus de Gambelas, Universidade do Algarve, 8005 - 139 Faro, Portugal</mods:affiliation>
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<mods:nameIdentifier id="250862D7E3741F6D906E5C56A48B79E8" type="orcid">https://orcid.org/0000-0002-6678-2549</mods:nameIdentifier>
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<mods:nameIdentifier id="5FE96D4CA17B4D8010980C22BCD2734E" type="email">christinaegger@gmx.de</mods:nameIdentifier>
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<mods:namePart id="F8927053ECDCC61FC3DE9965DE19A298">Neusser, Timea P.</mods:namePart>
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<mods:affiliation id="D102B74130E35166D63263CE2F1305E5">LMU Munich, Biocenter, Dept. II, Grosshaderner Str. 2, 82152 Planegg-Martinsried, Germany</mods:affiliation>
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<mods:name id="AA0D24D7B6E1E7A85169B653979173D9" type="personal">
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<mods:roleTerm id="38919A212B5D62363B822FD3F85058B2">Author</mods:roleTerm>
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<mods:namePart id="831D618B9C9089947F04DA21EC71C144">Norenburg, Jon</mods:namePart>
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<mods:affiliation id="21E6CA0AF058BFBD6BB48FBE238E0C24">Department of Invertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, USA</mods:affiliation>
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<mods:namePart id="DFCF8AC767B4943DCB95C0E1E1C6D60C">Leasi, Francesca</mods:namePart>
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<mods:affiliation id="CACFA3F019BFD16600067FEA4E9483C8">Department of Biology, Geology and Environmental Science. University of Tennessee at Chattanooga. 615 McCallie Ave. Chattanooga, TN 37403, USA</mods:affiliation>
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</mods:name>
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<mods:namePart id="5F6DBADAFF482DDC62B909853C338021">Buge, Barbara</mods:namePart>
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<mods:affiliation id="B52B6549D58D2D0BB4C855B6A34E72DF">Museum national d'Histoire naturelle, 55 Rue Buffon, 75231 Paris, France</mods:affiliation>
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<mods:namePart id="5EEEDDA910A70B323B481C3EC8E8B99D">Vannozzi, Angelo</mods:namePart>
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<mods:affiliation id="F162F5B99573E5424082A241AAF73CD6">Independent researcher, Via M. L. Longo 8, Rome, Italy</mods:affiliation>
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<mods:namePart id="289EF97A6BA4C46AFF7F9342259C165B">Cunha, Regina L.</mods:namePart>
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<mods:affiliation id="01BDFD0B0B4938E7E16C1A84409EFD3F">CCMAR, Campus de Gambelas, Universidade do Algarve, 8005 - 139 Faro, Portugal</mods:affiliation>
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<mods:namePart id="6D19915A6BC78E8B587DD850D3E6CDBA">Cox, Cymon J.</mods:namePart>
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<mods:affiliation id="FBE2791707E8A368476ED95CB7437567">CCMAR, Campus de Gambelas, Universidade do Algarve, 8005 - 139 Faro, Portugal</mods:affiliation>
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<mods:namePart id="367E431EF9709A9C671E4F227D644189">Joerger, Katharina M.</mods:namePart>
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<mods:affiliation id="7F9E4E8FAD1198C06D295FEC43748C55">SNSB-Zoologische Staatssammlung Muenchen, Muenchhausenstr. 21, 81247 Munich, Germany</mods:affiliation>
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<mods:typeOfResource id="DA72F4B5FADDE2C84C223067568F1974">text</mods:typeOfResource>
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<mods:title id="9594ABD236E06B3FB302BA497AC24698">ZooKeys</mods:title>
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<mods:part id="46E8AEB0C485BF49310D85091CD8FAD9">
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<mods:date id="6AF4C19B3F31B6D223F8CD314BD320EE">2020</mods:date>
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<mods:detail id="C5109BAC2B5E447FCD502FB1D31909EF" type="volume">
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<mods:number id="9C7BD04E8799A3D96B2D96356FC2C00E">968</mods:number>
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</mods:detail>
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<mods:extent id="ADD33995F46307F751D4A814EB142DAD" unit="page">
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<mods:start id="E04D1031BDE897C6E0E86C862F337FAF">1</mods:start>
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<mods:end id="76AFA273010B33BF51D574BD5E24F8EA">42</mods:end>
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<mods:url id="C301F463AEDEE3ECBE90F97E154289CD">http://dx.doi.org/10.3897/zookeys.968.52986</mods:url>
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</mods:location>
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<mods:classification id="32839632562C335B0A24BD64AC206DC6">journal article</mods:classification>
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<mods:identifier id="FA41C5EACC224A26D3656FAD5DDBE1E7" type="DOI">http://dx.doi.org/10.3897/zookeys.968.52986</mods:identifier>
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<mods:identifier id="73D4828CD82F7116C3F3C99BD49CB899" type="Pensoft-Pub">1313-2970-968-1</mods:identifier>
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<mods:identifier id="24CF9F51473307CF9DD9AFAC90A9BB32" type="ZooBank">4296306E51B94873AB6F4B475194CA98</mods:identifier>
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<mods:identifier id="5A2E7187AC2B1279301F0FBF957906E7" type="Pensoft-UUID">0ABFD46F13B65EEE97867BC2166A59E3</mods:identifier>
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</mods:mods>
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<treatment id="ADB50B907DE4511DBC12F4A67DC2B51D" ID-GBIF-Taxon="167616174" LSID="urn:lsid:plazi:treatment:ADB50B907DE4511DBC12F4A67DC2B51D" httpUri="http://treatment.plazi.org/id/ADB50B907DE4511DBC12F4A67DC2B51D" lastPageNumber="1" pageId="0" pageNumber="1" scope_class="Gastropoda" scope_family="Caecidae">
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<subSubSection id="4C0D805A0E722A9D652C7CA2458890B6" pageId="0" pageNumber="1" type="nomenclature">
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<paragraph id="3B3E6379E4E0245CDE05EB8EA187B1C2" pageId="0" pageNumber="1">
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<taxonomicName id="BE1F1E994F095F4B8821CC3021A9AF5F" ID-CoL="P8T2" LSID="ADB50B90-7DE4-511D-BC12-F4A67DC2B51D" authority="Carpenter, 1857" authorityName="Carpenter" authorityYear="1857" class="Gastropoda" family="Caecidae" genus="Caecum" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caecum heptagonum" order="Littorinimorpha" pageId="0" pageNumber="1" phylum="Mollusca" rank="species" species="heptagonum">Caecum heptagonum Carpenter, 1857</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection id="9456497B277070A161AEBA55DA8B606A" pageId="0" pageNumber="1" type="reference_group">
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<paragraph id="3C12915A78CC328FFAC288A7BCF41461" pageId="0" pageNumber="1">
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<taxonomicName id="E986CF19191C05A3B9A2B2414FEA43C3" authorityName="Carpenter" authorityYear="1857" class="Gastropoda" family="Caecidae" genus="Caecum" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caecum heptagonum" order="Littorinimorpha" pageId="0" pageNumber="1" phylum="Mollusca" rank="species" species="heptagonum">Caecum heptagonum</taxonomicName>
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Carpenter, 1857: 319, t. 1524. Type locality:
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<normalizedToken id="002D2AFBA02400D1D532160FF1A07279" originalValue="Mazatlán">Mazatlan</normalizedToken>
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[Mexico].
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</paragraph>
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</subSubSection>
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<subSubSection id="CFD8E231BCAD38D4A217B832BF2DBD15" pageId="0" pageNumber="1" type="materials_examined">
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<paragraph id="31BAF4AC8F07DCEF0BC825FBDC74855D" pageId="0" pageNumber="1">Material examined.</paragraph>
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<paragraph id="39096165E2A432B57D4B2818860E5781" pageId="0" pageNumber="1">
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Panama • 1 juv. (Fig.
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<figureCitation id="7BA27466687BB3340E119C2EA03AE203" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. A-E Caecum heptagonum A specimen USNM 1618866 juvenile specimen with larval shell still attached B-E specimen ZSM-Mol- 20200030, juvenile specimen already resembling closely the adult form B light microscopic picture C SEM scan D close-up of mucro and E microsculpture F-I C. cooperi, specimen MNHN-IM- 2019 - 32 F light microscopic picture G SEM scan H close-up of mucro and I microsculpture whole specimen and close-up of mucro and microsculpture J-M C. debile, specimen MNHN-IM- 2019 - 27 J light microscopic picture K SEM scan L close-up of mucro and M microsculpture N-Q C. striatum, specimen ZSM-Mol- 20100322 N light microscopic picture O SEM scan P close-up of mucro and Q microsculpture R-U C. clathratum, specimen MNHN-IM- 2019 - 17 R light microscopic picture S SEM scan T close-up of mucro and U microsculpture. Scale bars: 10 µm (D, E, I, Q); 20 µm (H, M, P, U); 100 µm (A, B, C, L, N, O, T); 200 µm (F, G, J, K whole specimen); 300 µm (R, S)." figureDoi="10.3897/zookeys.968.52986.figure6" httpUri="https://binary.pensoft.net/fig/453119" pageId="0" pageNumber="1">6B-E</figureCitation>
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); Achotines;
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<geoCoordinate id="142BCB978779F273B53E45107F6BA003" degrees="7.6349" direction="north" orientation="latitude" precision="5" value="7.6349">7.6349</geoCoordinate>
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,
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<geoCoordinate id="257FE2A899C5392DB7DD5533734F7FC3" degrees="79.9968" direction="west" orientation="longitude" precision="5" value="-79.9968">-79.9968</geoCoordinate>
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; depth 10 m; 6 Mar 2016; USNM Achotines2016 exped.; Stat. PA23a; DNA voucher; DNA bank: r462p4f2t91, GenBank: MT704283, MT731717; ZSM-Mol-20200030. • 1 juv. (Fig.
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<figureCitation id="3FF8CDF944DA3EF4A1AC5CD9E0137896" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. A-E Caecum heptagonum A specimen USNM 1618866 juvenile specimen with larval shell still attached B-E specimen ZSM-Mol- 20200030, juvenile specimen already resembling closely the adult form B light microscopic picture C SEM scan D close-up of mucro and E microsculpture F-I C. cooperi, specimen MNHN-IM- 2019 - 32 F light microscopic picture G SEM scan H close-up of mucro and I microsculpture whole specimen and close-up of mucro and microsculpture J-M C. debile, specimen MNHN-IM- 2019 - 27 J light microscopic picture K SEM scan L close-up of mucro and M microsculpture N-Q C. striatum, specimen ZSM-Mol- 20100322 N light microscopic picture O SEM scan P close-up of mucro and Q microsculpture R-U C. clathratum, specimen MNHN-IM- 2019 - 17 R light microscopic picture S SEM scan T close-up of mucro and U microsculpture. Scale bars: 10 µm (D, E, I, Q); 20 µm (H, M, P, U); 100 µm (A, B, C, L, N, O, T); 200 µm (F, G, J, K whole specimen); 300 µm (R, S)." figureDoi="10.3897/zookeys.968.52986.figure6" httpUri="https://binary.pensoft.net/fig/453119" pageId="0" pageNumber="1">6A</figureCitation>
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); same collection data as for preceding; DNA voucher; GenBank: MT704291, MT731726; USNM 1618866. • 1 juv.; same collection data as for preceding; ZSM-Mol-20200116. • 1 juv.; same collection data as for preceding; ZSM-Mol-20200117. • 1 juv.; Achotines;
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<geoCoordinate id="CD6E7365346B5B32FBDE9AE49841DB6A" degrees="7.6346" direction="north" orientation="latitude" precision="5" value="7.6346">7.6346</geoCoordinate>
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,
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<geoCoordinate id="C8F89450D0253A026E48FE80FDFF7A9D" degrees="79.9965" direction="west" orientation="longitude" precision="5" value="-79.9965">-79.9965</geoCoordinate>
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; depth 10 m; 6 Mar 2016; USNM Achotines2016 exped.; Stat. PA23b; ZSM-Mol-20200115.
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</paragraph>
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<caption id="486F39CC84E3E7210CE504B21BAADA69" doi="10.3897/zookeys.968.52986.figure6" httpUri="https://binary.pensoft.net/fig/453119" pageId="0" pageNumber="1" start="Figure 6" startId="F6">
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<paragraph id="6257FB686EF778051CBBCE92A7858351" pageId="0" pageNumber="1">
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<emphasis id="56CC72198999A27CAE5898DAE9FA1BEA" bold="true" pageId="0" pageNumber="1">Figure 6.</emphasis>
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<emphasis id="3F3F11B710890E0F8DA5F538E11FF999" bold="true" pageId="0" pageNumber="1">A-E</emphasis>
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<taxonomicName id="97034DD5F6E765C60970466FD8ECD59A" authorityName="Carpenter" authorityYear="1857" class="Gastropoda" family="Caecidae" genus="Caecum" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caecum heptagonum" order="Littorinimorpha" pageId="0" pageNumber="1" phylum="Mollusca" rank="species" species="heptagonum">
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<emphasis id="1234B05CA3D2704250FE256DC6CCB181" italics="true" pageId="0" pageNumber="1">Caecum heptagonum</emphasis>
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</taxonomicName>
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<emphasis id="82FE33D525FE7135A3C6E3DBEFA24CF0" bold="true" pageId="0" pageNumber="1">A</emphasis>
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specimen USNM 1618866 juvenile specimen with larval shell still attached
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<emphasis id="E5DBE404C6CC83E165ADAA622D95B2FC" bold="true" pageId="0" pageNumber="1">B-E</emphasis>
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specimen ZSM-Mol-20200030, juvenile specimen already resembling closely the adult form
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<emphasis id="5475229EFACF1A147DE15CD5DBF911A5" bold="true" pageId="0" pageNumber="1">B</emphasis>
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light microscopic picture
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<emphasis id="2A6BE68F87E38EC0F22C9E6EFB93614A" bold="true" pageId="0" pageNumber="1">C</emphasis>
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SEM scan
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<emphasis id="3957688F14A78215F314752F22243301" bold="true" pageId="0" pageNumber="1">D</emphasis>
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close-up of mucro and
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<emphasis id="CDFC7C25B4E7445FFEF7C95AD5ACBE01" bold="true" pageId="0" pageNumber="1">E</emphasis>
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microsculpture
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<emphasis id="A7CC903B766FB856073E40DB419E0083" bold="true" pageId="0" pageNumber="1">F-I</emphasis>
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<taxonomicName id="1BB58A745A78B31CF404AA966A532CDA" lsidName="C. cooperi" pageId="0" pageNumber="1" rank="species" species="cooperi">
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<emphasis id="AC4288CB020262474628F6D293F72960" italics="true" pageId="0" pageNumber="1">C. cooperi</emphasis>
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</taxonomicName>
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, specimen MNHN-IM-2019-32
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<emphasis id="DE57612B77D7252F14A9FCEC649C060B" bold="true" pageId="0" pageNumber="1">F</emphasis>
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light microscopic picture
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<emphasis id="A84D92AE41D989A795EA15C6367AC320" bold="true" pageId="0" pageNumber="1">G</emphasis>
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SEM scan
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<emphasis id="1E76BEA8CB18D6E972EF0D878DB87ECC" bold="true" pageId="0" pageNumber="1">H</emphasis>
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close-up of mucro and
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<emphasis id="D89931D33CB21F37D19CFEA2A008280E" bold="true" pageId="0" pageNumber="1">I</emphasis>
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microsculpture whole specimen and close-up of mucro and microsculpture
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<emphasis id="202584AB58FFBEADBC578CB8F1ED5CAC" bold="true" pageId="0" pageNumber="1">J-M</emphasis>
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<taxonomicName id="D0B034B90A6AC2950822E5108E0D377A" lsidName="C. debile" pageId="0" pageNumber="1" rank="species" species="debile">
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<emphasis id="0C0E68AB52338147565E00A6869076AB" italics="true" pageId="0" pageNumber="1">C. debile</emphasis>
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</taxonomicName>
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, specimen MNHN-IM-2019-27
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<emphasis id="9A8A6029F63421E4064F81F67496DE44" bold="true" pageId="0" pageNumber="1">J</emphasis>
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light microscopic picture
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<emphasis id="B75C41AD866B4D97E90A9F182ED6548D" bold="true" pageId="0" pageNumber="1">K</emphasis>
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SEM scan
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<emphasis id="3DB50276755FF8854DB9A49AF6C828BF" bold="true" pageId="0" pageNumber="1">L</emphasis>
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close-up of mucro and
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<emphasis id="8066E9BEBC0419400A0F21A1DE770912" bold="true" pageId="0" pageNumber="1">M</emphasis>
|
|
microsculpture
|
|
<emphasis id="26F084426B0D2AD180182EFF96002961" bold="true" pageId="0" pageNumber="1">N-Q</emphasis>
|
|
<taxonomicName id="F3B2CCA80DA322001D37DD9BC86AB617" lsidName="C. striatum" pageId="0" pageNumber="1" rank="species" species="striatum">
|
|
<emphasis id="99822A23660EEBC1BFBC9DA0E9392055" italics="true" pageId="0" pageNumber="1">C. striatum</emphasis>
|
|
</taxonomicName>
|
|
, specimen ZSM-Mol-20100322
|
|
<emphasis id="FC58C7282F85C2B841340B0A3FA96640" bold="true" pageId="0" pageNumber="1">N</emphasis>
|
|
light microscopic picture
|
|
<emphasis id="76621B05CAC8372D1B95C0FA3898ED64" bold="true" pageId="0" pageNumber="1">O</emphasis>
|
|
SEM scan
|
|
<emphasis id="AFD742D4362D84977DE8EB50E896680B" bold="true" pageId="0" pageNumber="1">P</emphasis>
|
|
close-up of mucro and
|
|
<emphasis id="40D7709F732F1DA9450D4EEC6942F6A0" bold="true" pageId="0" pageNumber="1">Q</emphasis>
|
|
microsculpture
|
|
<emphasis id="6A77C280EFC4485375AA51049B8F5CCE" bold="true" pageId="0" pageNumber="1">R-U</emphasis>
|
|
<taxonomicName id="BDD930E9554CB8FC60C83DE343AD9568" lsidName="C. clathratum" pageId="0" pageNumber="1" rank="species" species="clathratum">
|
|
<emphasis id="7CA67BA1011C4F517FD32EE41E776580" italics="true" pageId="0" pageNumber="1">C. clathratum</emphasis>
|
|
</taxonomicName>
|
|
, specimen MNHN-IM-2019-17
|
|
<emphasis id="582300F0D3BBED5AC978403CE652AADE" bold="true" pageId="0" pageNumber="1">R</emphasis>
|
|
light microscopic picture
|
|
<emphasis id="33D551F5F89EE1713D8D4AF77779B291" bold="true" pageId="0" pageNumber="1">S</emphasis>
|
|
SEM scan
|
|
<emphasis id="7E117008415439CE89F2EF492C2289F3" bold="true" pageId="0" pageNumber="1">T</emphasis>
|
|
close-up of mucro and
|
|
<emphasis id="6009F39AF63B70D9E173BE5A8CF2EC1D" bold="true" pageId="0" pageNumber="1">U</emphasis>
|
|
microsculpture. Scale bars: 10
|
|
<normalizedToken id="1529712F9627BF0CCC4C5620AF17CFEB" originalValue="µm">µm</normalizedToken>
|
|
(
|
|
<emphasis id="F2BE97499C4C797AE3282AC8737D78BD" bold="true" pageId="0" pageNumber="1">D, E, I, Q</emphasis>
|
|
); 20
|
|
<normalizedToken id="1C55632C75C598F53D229E9D7F9B6AF2" originalValue="µm">µm</normalizedToken>
|
|
(
|
|
<emphasis id="52E2FB9DBEE27BDFA37432095D784932" bold="true" pageId="0" pageNumber="1">H, M, P, U</emphasis>
|
|
); 100
|
|
<normalizedToken id="1ADDADB2B412A52DB8B7C76DD1576EBF" originalValue="µm">µm</normalizedToken>
|
|
(
|
|
<emphasis id="E1CC9596827F353B707F5CC65F31628C" bold="true" pageId="0" pageNumber="1">A, B, C, L, N, O, T</emphasis>
|
|
); 200
|
|
<normalizedToken id="F855576F7D119697FB898CE1D93F6957" originalValue="µm">µm</normalizedToken>
|
|
(
|
|
<emphasis id="A65AA51919B50788423879C7E0B38913" bold="true" pageId="0" pageNumber="1">F, G, J, K</emphasis>
|
|
whole specimen); 300
|
|
<normalizedToken id="CC5324EF684DF6B71684624759377A6F" originalValue="µm">µm</normalizedToken>
|
|
(
|
|
<emphasis id="6D02E7775BC78FBCF631825B9B351767" bold="true" pageId="0" pageNumber="1">R, S</emphasis>
|
|
).
|
|
</paragraph>
|
|
</caption>
|
|
</subSubSection>
|
|
<subSubSection id="3A8A39A26AC249F76FF54A729EB40057" pageId="0" pageNumber="1" type="shell morphology">
|
|
<paragraph id="E10384E28D0264907692F9C481E01008" pageId="0" pageNumber="1">Shell morphology.</paragraph>
|
|
<paragraph id="0B101FFF1C7B6417B07FCEBB40BBD60A" pageId="0" pageNumber="1">
|
|
In juvenile specimens, shell fragile, translucent brownish color. Tube doubles diameter towards aperture, with a moderate curvature in anterior half, increasing distally in curvature. Septum level beneath cutting plane, slightly rising towards mucro (Fig.
|
|
<figureCitation id="DD9C463DB437A3A26F2256FDB8845F68" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. A-E Caecum heptagonum A specimen USNM 1618866 juvenile specimen with larval shell still attached B-E specimen ZSM-Mol- 20200030, juvenile specimen already resembling closely the adult form B light microscopic picture C SEM scan D close-up of mucro and E microsculpture F-I C. cooperi, specimen MNHN-IM- 2019 - 32 F light microscopic picture G SEM scan H close-up of mucro and I microsculpture whole specimen and close-up of mucro and microsculpture J-M C. debile, specimen MNHN-IM- 2019 - 27 J light microscopic picture K SEM scan L close-up of mucro and M microsculpture N-Q C. striatum, specimen ZSM-Mol- 20100322 N light microscopic picture O SEM scan P close-up of mucro and Q microsculpture R-U C. clathratum, specimen MNHN-IM- 2019 - 17 R light microscopic picture S SEM scan T close-up of mucro and U microsculpture. Scale bars: 10 µm (D, E, I, Q); 20 µm (H, M, P, U); 100 µm (A, B, C, L, N, O, T); 200 µm (F, G, J, K whole specimen); 300 µm (R, S)." figureDoi="10.3897/zookeys.968.52986.figure6" httpUri="https://binary.pensoft.net/fig/453119" pageId="0" pageNumber="1">6D</figureCitation>
|
|
). Mucro slender finger-like shape (Fig.
|
|
<figureCitation id="647764AB92CF0E0F13931CD421E30CE4" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. A-E Caecum heptagonum A specimen USNM 1618866 juvenile specimen with larval shell still attached B-E specimen ZSM-Mol- 20200030, juvenile specimen already resembling closely the adult form B light microscopic picture C SEM scan D close-up of mucro and E microsculpture F-I C. cooperi, specimen MNHN-IM- 2019 - 32 F light microscopic picture G SEM scan H close-up of mucro and I microsculpture whole specimen and close-up of mucro and microsculpture J-M C. debile, specimen MNHN-IM- 2019 - 27 J light microscopic picture K SEM scan L close-up of mucro and M microsculpture N-Q C. striatum, specimen ZSM-Mol- 20100322 N light microscopic picture O SEM scan P close-up of mucro and Q microsculpture R-U C. clathratum, specimen MNHN-IM- 2019 - 17 R light microscopic picture S SEM scan T close-up of mucro and U microsculpture. Scale bars: 10 µm (D, E, I, Q); 20 µm (H, M, P, U); 100 µm (A, B, C, L, N, O, T); 200 µm (F, G, J, K whole specimen); 300 µm (R, S)." figureDoi="10.3897/zookeys.968.52986.figure6" httpUri="https://binary.pensoft.net/fig/453119" pageId="0" pageNumber="1">6D</figureCitation>
|
|
). Aperture fragile and partly broken. Shell sculptured by seven longitudinal ridges with transverse ribs crossing, knobs at intersections, ridges less prominent towards posterior. Microsculpture of fine rugose longitudinal stripes, noticeably increasing in width on transversal rings in comparison to interspaces (Fig.
|
|
<figureCitation id="5A8BC5907EE6A5F6B65FC3C564655EDB" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. A-E Caecum heptagonum A specimen USNM 1618866 juvenile specimen with larval shell still attached B-E specimen ZSM-Mol- 20200030, juvenile specimen already resembling closely the adult form B light microscopic picture C SEM scan D close-up of mucro and E microsculpture F-I C. cooperi, specimen MNHN-IM- 2019 - 32 F light microscopic picture G SEM scan H close-up of mucro and I microsculpture whole specimen and close-up of mucro and microsculpture J-M C. debile, specimen MNHN-IM- 2019 - 27 J light microscopic picture K SEM scan L close-up of mucro and M microsculpture N-Q C. striatum, specimen ZSM-Mol- 20100322 N light microscopic picture O SEM scan P close-up of mucro and Q microsculpture R-U C. clathratum, specimen MNHN-IM- 2019 - 17 R light microscopic picture S SEM scan T close-up of mucro and U microsculpture. Scale bars: 10 µm (D, E, I, Q); 20 µm (H, M, P, U); 100 µm (A, B, C, L, N, O, T); 200 µm (F, G, J, K whole specimen); 300 µm (R, S)." figureDoi="10.3897/zookeys.968.52986.figure6" httpUri="https://binary.pensoft.net/fig/453119" pageId="0" pageNumber="1">6E</figureCitation>
|
|
).
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection id="829E90FF58E693906470B214A0B18590" pageId="0" pageNumber="1" type="remarks">
|
|
<paragraph id="B1CA30E7EB7878C1B35AB018D921E1CA" pageId="0" pageNumber="1">Remarks.</paragraph>
|
|
<paragraph id="E12BE6107A88BCFAA7AC598632896710" pageId="0" pageNumber="1">
|
|
Due to the characteristics of the heptagonal tube with the transversal rings, considered unique among caecids (
|
|
<bibRefCitation id="1864C2F106CE5BD1E812D821E171FDF4" author="Lightfoot, J" journalOrPublisher="Of Sea and Shore" pageId="0" pageNumber="1" pagination="13 - 26" refId="B62" refString="Lightfoot, J, 1993a. Caecidae of the Panamic Province Part 1. Of Sea and Shore 16: 13 - 26" title="Caecidae of the Panamic Province Part 1." volume="16" year="1993 a">Lightfoot 1993a</bibRefCitation>
|
|
), the investigated specimen could be unambiguously assigned to
|
|
<taxonomicName id="2EC9D6CC76FFF0530797E49E0354B550" lsidName="C. heptagonum" pageId="0" pageNumber="1" rank="species" species="heptagonum">
|
|
<emphasis id="C6FF50463A1D824A005622797A009A27" italics="true" pageId="0" pageNumber="1">C. heptagonum</emphasis>
|
|
</taxonomicName>
|
|
. However, illustrations of
|
|
<taxonomicName id="944D2FDF9098ABD92791503614D768AB" lsidName="C. heptagonum" pageId="0" pageNumber="1" rank="species" species="heptagonum">
|
|
<emphasis id="A5F118B942958D404FF64A4378707339" italics="true" pageId="0" pageNumber="1">C. heptagonum</emphasis>
|
|
</taxonomicName>
|
|
indicate a very thick shell with distinct differentiated aperture with inner bulge forming a round opening instead of the outer polygonal shape (
|
|
<bibRefCitation id="5024AC4C7B95C86C18DFDE651FD1DF15" author="Keen, AM" journalOrPublisher="Stanford University Press, Stanford" pageId="0" pageNumber="1" refId="B53" refString="Keen, AM, 1974. Sea Shells of Tropical West America: Marine Mollusks from Baja California to Peru. Stanford University Press, Stanford" title="Sea Shells of Tropical West America: Marine Mollusks from Baja California to Peru." year="1974">Keen 1974</bibRefCitation>
|
|
;
|
|
<bibRefCitation id="5FF02033542704B30E83E566BAB999BA" author="Pizzini, M" journalOrPublisher="Iberus" pageId="0" pageNumber="1" pagination="133 - 140" refId="B80" refString="Pizzini, M, Oliverio, M, Nofroni, I, 1998. Contribution to the knowledge of the family Caecidae 4.: The Temporary septum formation of some caecid species (Caenogastropoda: Rissoidea). Iberus 16: 133 - 140" title="Contribution to the knowledge of the family Caecidae 4.: The Temporary septum formation of some caecid species (Caenogastropoda: Rissoidea)." volume="16" year="1998">Pizzini et al. 1998</bibRefCitation>
|
|
: 142, figs 1-13) including an inner bulge in the aperture, forming a round opening instead of the outer polygonal shape which is absent in the rather thin and fragile investigated specimens. As our samples only comprised juvenile specimen, however, we can attribute this variation to the unfinished shell state.
|
|
</paragraph>
|
|
</subSubSection>
|
|
</treatment>
|
|
</document> |