177 lines
27 KiB
XML
177 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="9552E75B7484530DB3A0CB28BFE8EA47" docLanguage="en" docName="ZooKeys 968: 1-42" docOrigin="ZooKeys 968" docSource="http://dx.doi.org/10.3897/zookeys.968.52986" docTitle="Caecum strangulatum de Folin 1867" 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:title id="D93AB861809A98FD76DAE223EDE673A0">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="4ECA19DC0790B300C711EFA265A4F1FE">Egger, Christina</mods:namePart>
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<mods:affiliation id="2C811205F161034EDDC6624C6946884F">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="1280A08C43C09F49211237494B0A4B47" type="email">christinaegger@gmx.de</mods:nameIdentifier>
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<mods:namePart id="131E7736EF91169CA78771EE26411877">Neusser, Timea P.</mods:namePart>
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<mods:affiliation id="589ED001446A10D023774CB4743829B4">LMU Munich, Biocenter, Dept. II, Grosshaderner Str. 2, 82152 Planegg-Martinsried, Germany</mods:affiliation>
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<mods:namePart id="706D20B5A1A55A353D78F8A103AFCB3C">Norenburg, Jon</mods:namePart>
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<mods:affiliation id="D3B7ECC31B64666531BF642270C521EF">Department of Invertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, USA</mods:affiliation>
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<mods:namePart id="2258308E2103A623DD1405E1760C8BA5">Leasi, Francesca</mods:namePart>
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<mods:affiliation id="D2494A79272C4A00D80907D2357C072C">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:namePart id="953E9ABC427205A451E0D185214B8CCD">Buge, Barbara</mods:namePart>
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<mods:affiliation id="44ADAA1B44BB330E6CDC08F62287C6FD">Museum national d'Histoire naturelle, 55 Rue Buffon, 75231 Paris, France</mods:affiliation>
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<mods:namePart id="7406404EFFFE559330B80C5DD727B377">Vannozzi, Angelo</mods:namePart>
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<mods:affiliation id="1E43E2625D9575F36B00F8DBB06FFFA2">Independent researcher, Via M. L. Longo 8, Rome, Italy</mods:affiliation>
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<mods:namePart id="E5617E457DF09E56096EBC925950F1C2">Cunha, Regina L.</mods:namePart>
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<mods:affiliation id="89FE4399D8BDB55438A56E7FBDB7F56D">CCMAR, Campus de Gambelas, Universidade do Algarve, 8005 - 139 Faro, Portugal</mods:affiliation>
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<mods:namePart id="3A2788452C8EE74CD5D97779AC99CE22">Cox, Cymon J.</mods:namePart>
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<mods:affiliation id="7199CB110E22EB815C21E78AD2A8E91B">CCMAR, Campus de Gambelas, Universidade do Algarve, 8005 - 139 Faro, Portugal</mods:affiliation>
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<mods:namePart id="0CF0907A0F47EF3037A984CFCBC39CA5">Joerger, Katharina M.</mods:namePart>
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<mods:affiliation id="6BCC46C09341C895C7D9A3C99C397B70">SNSB-Zoologische Staatssammlung Muenchen, Muenchhausenstr. 21, 81247 Munich, Germany</mods:affiliation>
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<mods:title id="0868EA3888EEDAEE5F85278613C6BBC0">ZooKeys</mods:title>
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<mods:date id="B35429B55748DFE0B07A21EDB83A3181">2020</mods:date>
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<mods:number id="BA7BEAF15FA9F70594D6774AF93E34D3">968</mods:number>
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<mods:start id="ED984F7CC9B777C45769CA1A37DE7F74">1</mods:start>
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<mods:url id="78560C6C09DB1B75AE58B16770B78ED6">http://dx.doi.org/10.3897/zookeys.968.52986</mods:url>
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<mods:classification id="84493A7BF5CEBC8252E700269DE454C4">journal article</mods:classification>
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<mods:identifier id="754CFC7A5F0005241D28476AAA1D2D97" type="DOI">http://dx.doi.org/10.3897/zookeys.968.52986</mods:identifier>
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<mods:identifier id="79FB7B70F90BBFA5352C6A6741C141D6" type="Pensoft-Pub">1313-2970-968-1</mods:identifier>
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<mods:identifier id="AD91F727373C3EBB93BB0BB29503B862" type="ZooBank">4296306E51B94873AB6F4B475194CA98</mods:identifier>
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<mods:identifier id="DA87E18C84FF2C863E1F9307627B8E34" type="Pensoft-UUID">0ABFD46F13B65EEE97867BC2166A59E3</mods:identifier>
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</mods:mods>
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<treatment id="9552E75B7484530DB3A0CB28BFE8EA47" ID-GBIF-Taxon="167616177" LSID="urn:lsid:plazi:treatment:9552E75B7484530DB3A0CB28BFE8EA47" httpUri="http://treatment.plazi.org/id/9552E75B7484530DB3A0CB28BFE8EA47" lastPageNumber="1" pageId="0" pageNumber="1" scope_class="Gastropoda" scope_family="Caecidae">
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<subSubSection id="FB4907461196FE002A1992F7F8BEEFE9" pageId="0" pageNumber="1" type="nomenclature">
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<paragraph id="BEBBA531E1DC3C6A08458CFB84F05DAB" pageId="0" pageNumber="1">
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<taxonomicName id="1031856312600021FA01671E5E58CD75" ID-CoL="7QJ3K" LSID="9552E75B-7484-530D-B3A0-CB28BFE8EA47" authority="de Folin, 1867" authorityName="de Folin" authorityYear="1867" class="Gastropoda" family="Caecidae" genus="Caecum" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caecum strangulatum" order="Littorinimorpha" pageId="0" pageNumber="1" phylum="Mollusca" rank="species" species="strangulatum">Caecum cf. strangulatum de Folin, 1867</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection id="DEDB3874E926F21EB676569F7FE77126" pageId="0" pageNumber="1" type="reference_group">
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<paragraph id="EA6336415731A5A64272723C27FB8E62" pageId="0" pageNumber="1">
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<taxonomicName id="5C51C36176C78EC85F2B572BEC877618" authorityName="de Folin" authorityYear="1867" class="Gastropoda" family="Caecidae" genus="Caecum" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caecum strangulatum" order="Littorinimorpha" pageId="0" pageNumber="1" phylum="Mollusca" rank="species" species="strangulatum">Caecum strangulatum</taxonomicName>
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de Folin, 1867: 82 (with variety
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<emphasis id="DFA8282BCEDAE805BF3D3A5DB4734F42" italics="true" pageId="0" pageNumber="1">acuta</emphasis>
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de Folin, 1867). Type locality: Iles aux Perles, dans la baie de Panama [Pearl Islands, Panama].
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</paragraph>
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</subSubSection>
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<subSubSection id="70452D37E053E9C6F2D64B4AD56083BC" pageId="0" pageNumber="1" type="materials_examined">
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<paragraph id="BF8E9B7168912DFF44615BF8E898A566" pageId="0" pageNumber="1">Material examined.</paragraph>
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<paragraph id="2731E77C96BC41D4320C4A95D8E54583" pageId="0" pageNumber="1">
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Panama • 1 juv.; Achotines;
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<geoCoordinate id="7B243FF4BE6A3FC4B59B3141A85DF709" 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="4F11863FBB36C34ACCBD2B25D2F4C640" 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; GenBank: MT727072, MT731727; USNM 1618884. • 1 juv. (Fig.
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<figureCitation id="8290C39DD9AADE48614293ECDE954659" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. A-F Caecum pulchellum A, C, E, F specimen ZSM-Mol- 20090485 B, D juvenile specimen ZSM-Mol- 20200118 A, B light microscopic pictures C, D SEM scans E close-up of mucro and F microsculpture H-K C. donmoorei, specimen USNM 1618844 H-K C. regulare, specimen ZSM-Mol- 20100321, juvenile H light microscopic picture I SEM scans J close-up of mucro and K microsculpture L-T C. cf. teres and C. cf. strangulatum L specimen ZSM-Mol- 20200033, juvenile specimen with larval shell still attached M, N, Q, S specimen ZSM-Mol- 20200032, juvenile M light microscopic picture N SEM scan Q close-up of mucro and S microsculpture O, P, R, T C. cf. strangulatum, specimen ZSM-Mol- 20200038, juvenile O light microscopic picture P SEM scan R close-up of mucro and T microsculpture U-X C. cf. semilaeve, specimen ZSM-Mol- 20200034 U Light microscopic picture V SEM scan W close-up of mucro and X microsculpture. Scale bars: 10 µm (F, S, T, W, X); 20 µm (J, K, Q, R); 50 µm (E); 100 µm (H, I, L-P, U, V); 200 µm (A-D)." figureDoi="10.3897/zookeys.968.52986.figure7" httpUri="https://binary.pensoft.net/fig/453120" pageId="0" pageNumber="1">7O, P, R, T</figureCitation>
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); same collection data as for preceding; ZSM-Mol-20200038. • 1 juv.; Achotines;
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<geoCoordinate id="7310822E0563BE397717D2F99E990D83" degrees="7.6207" direction="north" orientation="latitude" precision="5" value="7.6207">7.6207</geoCoordinate>
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,
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<geoCoordinate id="C6AE45596E934073E51F17805C769631" degrees="80.0013" direction="west" orientation="longitude" precision="5" value="-80.0013">-80.0013</geoCoordinate>
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; depth 12 m; 29 Feb 2016; USNM Achotines2016 exped.; Stat. PA14; DNA voucher; GenBank: MT727068, MT704287, MT731721; USNM 1618864.
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</paragraph>
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</subSubSection>
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<subSubSection id="21FE5F32EADB359D984D795585FB5319" pageId="0" pageNumber="1" type="shell morphology">
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<paragraph id="88585D60AA792040F6E86484014719D9" pageId="0" pageNumber="1">Shell morphology.</paragraph>
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<paragraph id="82025B03435588A4E1154F497321EA67" pageId="0" pageNumber="1">
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Shell fragile, color frosted translucent (Fig.
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<figureCitation id="EAF1D679DE41EBA908EDB22CB32452AA" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. A-F Caecum pulchellum A, C, E, F specimen ZSM-Mol- 20090485 B, D juvenile specimen ZSM-Mol- 20200118 A, B light microscopic pictures C, D SEM scans E close-up of mucro and F microsculpture H-K C. donmoorei, specimen USNM 1618844 H-K C. regulare, specimen ZSM-Mol- 20100321, juvenile H light microscopic picture I SEM scans J close-up of mucro and K microsculpture L-T C. cf. teres and C. cf. strangulatum L specimen ZSM-Mol- 20200033, juvenile specimen with larval shell still attached M, N, Q, S specimen ZSM-Mol- 20200032, juvenile M light microscopic picture N SEM scan Q close-up of mucro and S microsculpture O, P, R, T C. cf. strangulatum, specimen ZSM-Mol- 20200038, juvenile O light microscopic picture P SEM scan R close-up of mucro and T microsculpture U-X C. cf. semilaeve, specimen ZSM-Mol- 20200034 U Light microscopic picture V SEM scan W close-up of mucro and X microsculpture. Scale bars: 10 µm (F, S, T, W, X); 20 µm (J, K, Q, R); 50 µm (E); 100 µm (H, I, L-P, U, V); 200 µm (A-D)." figureDoi="10.3897/zookeys.968.52986.figure7" httpUri="https://binary.pensoft.net/fig/453120" pageId="0" pageNumber="1">7O</figureCitation>
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). Shape and size the same as for
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<taxonomicName id="D074C9E410CF1FAD796AC747C5FA3906" lsidName="C. teres" pageId="0" pageNumber="1" rank="species" species="teres">C. cf. teres</taxonomicName>
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juvenile (Fig.
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<figureCitation id="C77BC19D32B870FD4A73A8B7EA2872BB" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. A-F Caecum pulchellum A, C, E, F specimen ZSM-Mol- 20090485 B, D juvenile specimen ZSM-Mol- 20200118 A, B light microscopic pictures C, D SEM scans E close-up of mucro and F microsculpture H-K C. donmoorei, specimen USNM 1618844 H-K C. regulare, specimen ZSM-Mol- 20100321, juvenile H light microscopic picture I SEM scans J close-up of mucro and K microsculpture L-T C. cf. teres and C. cf. strangulatum L specimen ZSM-Mol- 20200033, juvenile specimen with larval shell still attached M, N, Q, S specimen ZSM-Mol- 20200032, juvenile M light microscopic picture N SEM scan Q close-up of mucro and S microsculpture O, P, R, T C. cf. strangulatum, specimen ZSM-Mol- 20200038, juvenile O light microscopic picture P SEM scan R close-up of mucro and T microsculpture U-X C. cf. semilaeve, specimen ZSM-Mol- 20200034 U Light microscopic picture V SEM scan W close-up of mucro and X microsculpture. Scale bars: 10 µm (F, S, T, W, X); 20 µm (J, K, Q, R); 50 µm (E); 100 µm (H, I, L-P, U, V); 200 µm (A-D)." figureDoi="10.3897/zookeys.968.52986.figure7" httpUri="https://binary.pensoft.net/fig/453120" pageId="0" pageNumber="1">7M, N</figureCitation>
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). Sculpture however appears rough and annular using light microscopy, growth lines more distinct and wavy (Fig.
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<figureCitation id="BE72CDF4C3F02F5CAE5EE01E9A523220" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. A-F Caecum pulchellum A, C, E, F specimen ZSM-Mol- 20090485 B, D juvenile specimen ZSM-Mol- 20200118 A, B light microscopic pictures C, D SEM scans E close-up of mucro and F microsculpture H-K C. donmoorei, specimen USNM 1618844 H-K C. regulare, specimen ZSM-Mol- 20100321, juvenile H light microscopic picture I SEM scans J close-up of mucro and K microsculpture L-T C. cf. teres and C. cf. strangulatum L specimen ZSM-Mol- 20200033, juvenile specimen with larval shell still attached M, N, Q, S specimen ZSM-Mol- 20200032, juvenile M light microscopic picture N SEM scan Q close-up of mucro and S microsculpture O, P, R, T C. cf. strangulatum, specimen ZSM-Mol- 20200038, juvenile O light microscopic picture P SEM scan R close-up of mucro and T microsculpture U-X C. cf. semilaeve, specimen ZSM-Mol- 20200034 U Light microscopic picture V SEM scan W close-up of mucro and X microsculpture. Scale bars: 10 µm (F, S, T, W, X); 20 µm (J, K, Q, R); 50 µm (E); 100 µm (H, I, L-P, U, V); 200 µm (A-D)." figureDoi="10.3897/zookeys.968.52986.figure7" httpUri="https://binary.pensoft.net/fig/453120" pageId="0" pageNumber="1">7T</figureCitation>
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). Septum flat, mucro narrow, finger-like (Fig.
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<figureCitation id="EA9A681CC95CFF0A4EA9F2E8088AD66C" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. A-F Caecum pulchellum A, C, E, F specimen ZSM-Mol- 20090485 B, D juvenile specimen ZSM-Mol- 20200118 A, B light microscopic pictures C, D SEM scans E close-up of mucro and F microsculpture H-K C. donmoorei, specimen USNM 1618844 H-K C. regulare, specimen ZSM-Mol- 20100321, juvenile H light microscopic picture I SEM scans J close-up of mucro and K microsculpture L-T C. cf. teres and C. cf. strangulatum L specimen ZSM-Mol- 20200033, juvenile specimen with larval shell still attached M, N, Q, S specimen ZSM-Mol- 20200032, juvenile M light microscopic picture N SEM scan Q close-up of mucro and S microsculpture O, P, R, T C. cf. strangulatum, specimen ZSM-Mol- 20200038, juvenile O light microscopic picture P SEM scan R close-up of mucro and T microsculpture U-X C. cf. semilaeve, specimen ZSM-Mol- 20200034 U Light microscopic picture V SEM scan W close-up of mucro and X microsculpture. Scale bars: 10 µm (F, S, T, W, X); 20 µm (J, K, Q, R); 50 µm (E); 100 µm (H, I, L-P, U, V); 200 µm (A-D)." figureDoi="10.3897/zookeys.968.52986.figure7" httpUri="https://binary.pensoft.net/fig/453120" pageId="0" pageNumber="1">7R</figureCitation>
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). Aperture fringed as typical for a juvenile, growing specimen (Fig.
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<figureCitation id="9ADD625C25B9E9B33FAF75F8CA54F9A4" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. A-F Caecum pulchellum A, C, E, F specimen ZSM-Mol- 20090485 B, D juvenile specimen ZSM-Mol- 20200118 A, B light microscopic pictures C, D SEM scans E close-up of mucro and F microsculpture H-K C. donmoorei, specimen USNM 1618844 H-K C. regulare, specimen ZSM-Mol- 20100321, juvenile H light microscopic picture I SEM scans J close-up of mucro and K microsculpture L-T C. cf. teres and C. cf. strangulatum L specimen ZSM-Mol- 20200033, juvenile specimen with larval shell still attached M, N, Q, S specimen ZSM-Mol- 20200032, juvenile M light microscopic picture N SEM scan Q close-up of mucro and S microsculpture O, P, R, T C. cf. strangulatum, specimen ZSM-Mol- 20200038, juvenile O light microscopic picture P SEM scan R close-up of mucro and T microsculpture U-X C. cf. semilaeve, specimen ZSM-Mol- 20200034 U Light microscopic picture V SEM scan W close-up of mucro and X microsculpture. Scale bars: 10 µm (F, S, T, W, X); 20 µm (J, K, Q, R); 50 µm (E); 100 µm (H, I, L-P, U, V); 200 µm (A-D)." figureDoi="10.3897/zookeys.968.52986.figure7" httpUri="https://binary.pensoft.net/fig/453120" pageId="0" pageNumber="1">7P</figureCitation>
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). Striped microsculpture consists of narrow longitudinal and interrupted emarginations, shifted against each other. Almost identical to
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<taxonomicName id="883624A915A7BCB6F0FA1278F2DFF5EE" lsidName="C. teres" pageId="0" pageNumber="1" rank="species" species="teres">C. cf. teres</taxonomicName>
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(Fig.
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<figureCitation id="7FB1E065ED9CC90DCBE2E74D61AE371C" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. A-F Caecum pulchellum A, C, E, F specimen ZSM-Mol- 20090485 B, D juvenile specimen ZSM-Mol- 20200118 A, B light microscopic pictures C, D SEM scans E close-up of mucro and F microsculpture H-K C. donmoorei, specimen USNM 1618844 H-K C. regulare, specimen ZSM-Mol- 20100321, juvenile H light microscopic picture I SEM scans J close-up of mucro and K microsculpture L-T C. cf. teres and C. cf. strangulatum L specimen ZSM-Mol- 20200033, juvenile specimen with larval shell still attached M, N, Q, S specimen ZSM-Mol- 20200032, juvenile M light microscopic picture N SEM scan Q close-up of mucro and S microsculpture O, P, R, T C. cf. strangulatum, specimen ZSM-Mol- 20200038, juvenile O light microscopic picture P SEM scan R close-up of mucro and T microsculpture U-X C. cf. semilaeve, specimen ZSM-Mol- 20200034 U Light microscopic picture V SEM scan W close-up of mucro and X microsculpture. Scale bars: 10 µm (F, S, T, W, X); 20 µm (J, K, Q, R); 50 µm (E); 100 µm (H, I, L-P, U, V); 200 µm (A-D)." figureDoi="10.3897/zookeys.968.52986.figure7" httpUri="https://binary.pensoft.net/fig/453120" pageId="0" pageNumber="1">7S</figureCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection id="56F393E13E72847DEB0F5DB2799BC4AA" pageId="0" pageNumber="1" type="remarks">
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<paragraph id="8A339F4CAEEDD0D6DA919CFC26D23AFA" pageId="0" pageNumber="1">Remarks.</paragraph>
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<paragraph id="85790F1741D2501E20A1DA35329E4D5C" pageId="0" pageNumber="1">
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We assign the examined specimen to
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<taxonomicName id="1F63624AD55B6D2599E2C91C34653185" authorityName="de Folin" authorityYear="1867" class="Gastropoda" family="Caecidae" genus="Caecum" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caecum strangulatum" order="Littorinimorpha" pageId="0" pageNumber="1" phylum="Mollusca" rank="species" species="strangulatum">
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<emphasis id="C796E9015A9015218D366255C47AF2F8" italics="true" pageId="0" pageNumber="1">Caecum strangulatum</emphasis>
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</taxonomicName>
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(in the juvenile form), which was described from Pacific Panama (
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<bibRefCitation id="27DCDE530E6E53CF64F5FE7279A13CF0" DOI="https://doi.org/10.5962/bhl.title.10790" author="De Folin, L" journalOrPublisher="Nature methods" pageId="0" pageNumber="1" refId="B20" refString="De Folin, L, 1867. Les Meleagrinicoles, Especes Nouvelles. Societe havraise d'etudes diverses Le Havre, 96 pp. https://doi.org/10.5962/bhl.title.10790" title="Les Meleagrinicoles, Especes Nouvelles. Societe havraise d'etudes diverses Le Havre, 96 pp." url="https://doi.org/10.5962/bhl.title.10790" year="1867">de Folin 1867</bibRefCitation>
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) (holotype MNHN-IM-2000-4586, accessed through the online catalogue of the MNHN), due to the narrow mucro and the annular sculpture, which probably can be interpreted as the transition to a ribbed ornamentation in later life stage. The separate species status of
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<taxonomicName id="0B3088847DC31F7BED8E54B5A185612E" lsidName="C. strangulatum" pageId="0" pageNumber="1" rank="species" species="strangulatum">
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<emphasis id="FECF2DA25AE1BF79AD6572FC3B7A0093" italics="true" pageId="0" pageNumber="1">C. strangulatum</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="A6C8A5BE424F8511B280D21AB58524AE" lsidName="C. teres" pageId="0" pageNumber="1" rank="species" species="teres">
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<emphasis id="D529B482027CD378D85B3DB603A4228B" italics="true" pageId="0" pageNumber="1">C. teres</emphasis>
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</taxonomicName>
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(see below) is not supported via our molecular species delineation (see Fig.
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<figureCitation id="E92C2F71700BE41542FF20295ADA3EB7" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Molecular based species delimitation of Central American Caecidae. Guide tree used for PTP and bPTP based on the optimal likelihood tree of the concatenated three-marker dataset. Color codes indicate our preliminary species hypothesis derived from the phylogenetic tree. Color bars reflect the species delimitation suggested by the four consulted species delimitation programs (including ML and Bayesian implementation for PTP and single and multiple threshold for GMYC). Bars are missing where no sequence data obtained." figureDoi="10.3897/zookeys.968.52986.figure4" httpUri="https://binary.pensoft.net/fig/453117" pageId="0" pageNumber="1">4</figureCitation>
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). Both are sister clades in phylogenetic analyses (see Fig.
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<figureCitation id="186D821BCD1005491460AEDE12CFB751" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Optimal ML tree of the concatenated 28 S rRNA, 16 S rRNA and COI genes partitioned by genes and COI codon positions. Bootstrap values (below nodes) of the ML analysis are shown for values> 80 % and posterior probability support (above nodes) of the BI analysis are shown for values> 0.95. Specimens previously classified as Meioceras are indicated in yellow color. Smooth, translucent specimens, lacking diagnostic features and summarized in the ' Caecum glabrum - like complex' are indicated in blue. C. = Caecum, M. = Meioceras, MOTU I / MOTU II = molecular operational taxonomic unit within the ' Caecum glabrum - like complex'. Figured specimens are all to the same scale. Scale bar: 1 mm." figureDoi="10.3897/zookeys.968.52986.figure3" httpUri="https://binary.pensoft.net/fig/453116" pageId="0" pageNumber="1">3</figureCitation>
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), but the monophyly of both lineages is not reflected on mitochondrial 16S rRNA (Fig.
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<figureCitation id="55271A53083F36E572E09F291D7DA60C" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Molecular based species delimitation of Central American Caecidae. Guide tree used for PTP and bPTP based on the optimal likelihood tree of the concatenated three-marker dataset. Color codes indicate our preliminary species hypothesis derived from the phylogenetic tree. Color bars reflect the species delimitation suggested by the four consulted species delimitation programs (including ML and Bayesian implementation for PTP and single and multiple threshold for GMYC). Bars are missing where no sequence data obtained." figureDoi="10.3897/zookeys.968.52986.figure4" httpUri="https://binary.pensoft.net/fig/453117" pageId="0" pageNumber="1">4</figureCitation>
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). Both species can be distinguished by morphological features (i.e., a noticeably more pronounced shell structure and a slimmer mucro), but share a unique microsculptural pattern (Fig.
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<figureCitation id="20E507D3EE67A442136CCA60C0BD0256" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. A-F Caecum pulchellum A, C, E, F specimen ZSM-Mol- 20090485 B, D juvenile specimen ZSM-Mol- 20200118 A, B light microscopic pictures C, D SEM scans E close-up of mucro and F microsculpture H-K C. donmoorei, specimen USNM 1618844 H-K C. regulare, specimen ZSM-Mol- 20100321, juvenile H light microscopic picture I SEM scans J close-up of mucro and K microsculpture L-T C. cf. teres and C. cf. strangulatum L specimen ZSM-Mol- 20200033, juvenile specimen with larval shell still attached M, N, Q, S specimen ZSM-Mol- 20200032, juvenile M light microscopic picture N SEM scan Q close-up of mucro and S microsculpture O, P, R, T C. cf. strangulatum, specimen ZSM-Mol- 20200038, juvenile O light microscopic picture P SEM scan R close-up of mucro and T microsculpture U-X C. cf. semilaeve, specimen ZSM-Mol- 20200034 U Light microscopic picture V SEM scan W close-up of mucro and X microsculpture. Scale bars: 10 µm (F, S, T, W, X); 20 µm (J, K, Q, R); 50 µm (E); 100 µm (H, I, L-P, U, V); 200 µm (A-D)." figureDoi="10.3897/zookeys.968.52986.figure7" httpUri="https://binary.pensoft.net/fig/453120" pageId="0" pageNumber="1">7D</figureCitation>
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). We currently lack comparative data on COI to evaluate whether the results in species delineation on 16S rRNA present a case of incomplete lineage sorting in this recent split between the two sister species or both belong to one genetically and morphologically diverse species. Due to this lack of data, we currently refrain from synonymizing the two yet existing species until more data is available to text species boundaries and the degree of intraspecific variability in shell morphology.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |