231 lines
28 KiB
XML
231 lines
28 KiB
XML
<document id="9A91323B2F5CEFAF82A8381709D9E240" ID-CLB-Dataset="26049" ID-DOI="10.11646/zootaxa.4654.1.1" ID-GBIF-Dataset="9ce1d103-9234-4fbe-9544-f1c294bb8783" ID-ISSN="1175-5326" ID-Zenodo-Dep="3365803" ID-ZooBank="CFD82CC0-3110-472E-972B-7ADC0C523A04" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1565592061838" checkinUser="plazi" docAuthor="Hansen, Thomas" docDate="2019" docId="BF18F633A940FFA42B9CC5A7FC5AFBD4" docLanguage="en" docName="zootaxa.4654.1.1.pdf" docOrigin="Zootaxa 4654 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Leptomaria niloticiformis" docType="treatment" docVersion="22" lastPageNumber="66" masterDocId="43218E4BA900FFE52B0BC14DFFA9FFE3" masterDocTitle="Gastropods from the Cretaceous-Palaeogene boundary in Denmark" masterLastPageNumber="196" masterPageNumber="1" pageNumber="65" updateTime="1698750564626" updateUser="ExternalLinkService">
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<mods:title id="144CA7E58E76D13544BB743C7F06AB48">Gastropods from the Cretaceous-Palaeogene boundary in Denmark</mods:title>
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<mods:namePart id="3A4760A86502A14B4B9BA851411B72FA">Hansen, Thomas</mods:namePart>
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<mods:title id="2A9B4290F0BC7865B6EE85080D06106D">Zootaxa</mods:title>
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<mods:part id="C91A361CBBFEB383AE95A6A8ADC97BF6">
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<mods:date id="EC9E94FCF56254B339FE83D1F70D3C67">2019</mods:date>
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<mods:number id="9AFB7E629E225EBD532CFEF3E8CF8A23">2019-08-12</mods:number>
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<mods:number id="FC07F2772CD330C27B9FD15D8BF76480">4654</mods:number>
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<treatment id="BF18F633A940FFA42B9CC5A7FC5AFBD4" ID-DOI="http://doi.org/10.5281/zenodo.5582770" ID-GBIF-Taxon="159074928" ID-Zenodo-Dep="5582770" LSID="urn:lsid:plazi:treatment:BF18F633A940FFA42B9CC5A7FC5AFBD4" httpUri="http://treatment.plazi.org/id/BF18F633A940FFA42B9CC5A7FC5AFBD4" lastPageId="65" lastPageNumber="66" pageId="64" pageNumber="65">
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<subSubSection id="7FAB14AEA940FFA52B9CC5A7FD17FAE7" box="[151,702,1258,1285]" pageId="64" pageNumber="65" type="nomenclature">
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<paragraph id="370E4725A940FFA52B9CC5A7FD17FAE7" blockId="64.[151,702,1258,1320]" box="[151,702,1258,1285]" pageId="64" pageNumber="65">
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<heading id="6C46F049A940FFA52B9CC5A7FD17FAE7" bold="true" box="[151,702,1258,1285]" fontSize="11" level="1" pageId="64" pageNumber="65" reason="1">
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<taxonomicName id="F0B13CA6A940FFA52B9CC5A7FD17FAE7" authority="(Schlotheim, 1820)" baseAuthorityName="Schlotheim" baseAuthorityYear="1820" box="[151,702,1258,1285]" class="Gastropoda" family="Pleurotomariidae" genus="Leptomaria" higherTaxonomySource="GBIF" kingdom="Animalia" order="Vetigastropoda" pageId="64" pageNumber="65" phylum="Mollusca" rank="species" species="niloticiformis">
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<emphasis id="05C59B37A940FFA52B9CC5A7FD17FAE7" bold="true" box="[151,702,1258,1285]" pageId="64" pageNumber="65">
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<emphasis id="05C59B37A940FFA52B9CC5A7FE67FAE6" bold="true" box="[151,462,1258,1285]" italics="true" pageId="64" pageNumber="65">Leptomaria niloticiformis</emphasis>
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(
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<bibRefCitation id="53203AD4A940FFA52AD6C5A7FD1FFAE7" author="Schlotheim, E. F. von" box="[477,694,1258,1284]" pageId="64" pageNumber="65" refId="ref139637" refString="Schlotheim, E. F. von (1820) Die Petrefaktenkunde auf ihrem jetzigen Standpunkte durch die Beschreibung seiner Sammlung versteinerter und fossiler Uberreste des Thier- und Pflanzenreiches der Vorwelt erlautert. Becker, Gotha, 437 pp., 15 pls." type="book" year="1820">Schlotheim, 1820</bibRefCitation>
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)
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="7FAB14AEA940FFA52B9CC443FB22FA3C" pageId="64" pageNumber="65" type="description">
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<paragraph id="370E4725A940FFA52B9CC443FEB5FACB" blockId="64.[151,702,1258,1320]" box="[151,284,1294,1320]" pageId="64" pageNumber="65">
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<figureCitation id="AF8A5BA0A940FFA52B9CC443FF40FACB" box="[151,233,1294,1320]" captionStart="FIGURE 20" captionStartId="63.[151,250,188,213]" captionTargetId="figure@62.[151,1435,179,1918]" captionTargetPageId="62" captionText="FIGURE 20. A–B. Palaeoloxotoma sp., inner mould of MGUH 33087. Length 17.2 mm. C–I. Anatoma sp. A. C–E. Silicone casts of MGUH 33088. Width 1.3 mm. F–G. Silicone cast of MGUH 33089. Width 1.9 mm. H. Silicone cast of MGUH 33090. Preserved width 1.35 mm. I. Silicone cast of MGUH 33091. Preserved width 1.35 mm. J. Anatoma? sp. B, Silicone cast of MGUH 33092. Preserved width 1.05 mm. K–M. Temnotropis stevniensis n. sp. K–L. Silicone cast of holotype MGUH 33093. Width 3.5 mm. M. Umbilical view of paratype MGUH 33094. Width 2.1 mm. N–P. Leptomaria niloticiformis Schlotheim, 1820. N–O. Inner mould of MGUH 33095. Width 44 mm. P. Silicone cast of MGUH 33096. Middle Danian Coral Limestone from Faxe, Denmark. Height nearly 11 cm. Q. Leptomaria meyeri Pacaud, 2004. Silicone cast of MGUH 33097. Cast 14.5 mm wide, 12.5 mm high." figureDoi="http://doi.org/10.5281/zenodo.3442094" httpUri="https://zenodo.org/record/3442094/files/figure.png" pageId="64" pageNumber="65">Figs 20</figureCitation>
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N–P
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</paragraph>
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<paragraph id="370E4725A940FFA52B9CC401FD18FA87" blockId="64.[151,1163,1355,1503]" box="[151,689,1355,1380]" pageId="64" pageNumber="65">
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1820
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<taxonomicName id="F0B13CA6A940FFA52BDBC401FDE1FA87" authority="Schlotheim" authorityName="Schlotheim" box="[208,584,1355,1380]" class="Gastropoda" family="Pleurotomariidae" genus="Trochilites" higherTaxonomySource="CoL" kingdom="Animalia" order="Pleurotomariida" pageId="64" pageNumber="65" phylum="Mollusca" rank="species" species="niloticiformis">
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<emphasis id="05C59B37A940FFA52BDBC401FE62FA87" box="[208,459,1356,1380]" italics="true" pageId="64" pageNumber="65">Trochilites niloticiformis</emphasis>
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Schlotheim
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</taxonomicName>
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: 156–157.
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</paragraph>
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<paragraph id="370E4725A940FFA52B9CC426FBD2FA60" blockId="64.[151,1163,1355,1503]" box="[151,1147,1386,1411]" pageId="64" pageNumber="65">
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1902
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<taxonomicName id="F0B13CA6A940FFA52BDBC427FE5DFA61" baseAuthorityName="Schlotheim" box="[208,500,1386,1410]" class="Gastropoda" family="Pleurotomariidae" genus="Pleurotomaria" higherTaxonomySource="CoL" kingdom="Animalia" order="Pleurotomariida" pageId="64" pageNumber="65" phylum="Mollusca" rank="species" species="niloticiformis">
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<emphasis id="05C59B37A940FFA52BDBC427FE5DFA61" box="[208,500,1386,1410]" italics="true" pageId="64" pageNumber="65">Pleurotomaria niloticiformis</emphasis>
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</taxonomicName>
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v. Schlotheim sp. [
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<emphasis id="05C59B37A940FFA529BCC426FD52FA61" box="[695,763,1387,1410]" italics="true" pageId="64" pageNumber="65">partim</emphasis>
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]—Ravn: 215 (not Pl. 1, figs 3 and 4).
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</paragraph>
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<paragraph id="370E4725A940FFA52B9CC4C4FB2DFA42" blockId="64.[151,1163,1355,1503]" box="[151,1156,1416,1441]" pageId="64" pageNumber="65">
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1903
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<taxonomicName id="F0B13CA6A940FFA52BDBC4C4FE5DFA42" baseAuthorityName="Schlotheim" box="[208,500,1417,1441]" class="Gastropoda" family="Pleurotomariidae" genus="Pleurotomaria" higherTaxonomySource="CoL" kingdom="Animalia" order="Pleurotomariida" pageId="64" pageNumber="65" phylum="Mollusca" rank="species" species="niloticiformis">
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<emphasis id="05C59B37A940FFA52BDBC4C4FE5DFA42" box="[208,500,1417,1441]" italics="true" pageId="64" pageNumber="65">Pleurotomaria niloticiformis</emphasis>
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</taxonomicName>
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v. Schlotheim sp. [
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<emphasis id="05C59B37A940FFA529BCC4C7FD52FA42" box="[695,763,1418,1441]" italics="true" pageId="64" pageNumber="65">partim</emphasis>
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]—Ravn: 380 (other species included).
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</paragraph>
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<paragraph id="370E4725A940FFA52B9CC4E5FC2DFA23" blockId="64.[151,1163,1355,1503]" box="[151,900,1447,1472]" pageId="64" pageNumber="65">
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1933
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<taxonomicName id="F0B13CA6A940FFA52BDBC4E5FDD6FA23" authority="(Schlotheim)" baseAuthorityName="Schlotheim" box="[208,639,1447,1472]" class="Gastropoda" family="Pleurotomariidae" genus="Pleurotomaria" higherTaxonomySource="CoL" kingdom="Animalia" order="Pleurotomariida" pageId="64" pageNumber="65" phylum="Mollusca" rank="species" species="niloticiformis">
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<emphasis id="05C59B37A940FFA52BDBC4E5FE5DFA23" box="[208,500,1448,1472]" italics="true" pageId="64" pageNumber="65">Pleurotomaria niloticiformis</emphasis>
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(Schlotheim)
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</taxonomicName>
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—Ravn: 25, Pl. 1, fig. 10.
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</paragraph>
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<paragraph id="370E4725A940FFA52B9CC48AFB22FA3C" blockId="64.[151,1163,1355,1503]" box="[151,1163,1478,1503]" pageId="64" pageNumber="65">
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2014
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<taxonomicName id="F0B13CA6A940FFA52BDBC48AFD6BFA3C" authority="(von Schlotheim 1829)" baseAuthorityName="von Schlotheim" baseAuthorityYear="1829" box="[208,706,1478,1503]" class="Gastropoda" family="Pleurotomariidae" genus="Leptomaria" higherTaxonomySource="GBIF" kingdom="Animalia" order="Vetigastropoda" pageId="64" pageNumber="65" phylum="Mollusca" rank="species" species="niloticiformis">
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<emphasis id="05C59B37A940FFA52BDBC48AFE7FFA3D" box="[208,470,1478,1502]" italics="true" pageId="64" pageNumber="65">Leptomaria niloticiformis</emphasis>
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(von Schlotheim 1829)
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</taxonomicName>
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—Lauridsen & Schnetler: 36–37, fig. 3A–D.
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</paragraph>
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</subSubSection>
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<subSubSection id="7FAB14AEA940FFA42B9CC741FDC6FC28" lastPageId="65" lastPageNumber="66" pageId="64" pageNumber="65" type="materials_examined">
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<paragraph id="370E4725A940FFA52B9CC741FE00F970" blockId="64.[151,1437,1548,2043]" pageId="64" pageNumber="65">
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<emphasis id="05C59B37A940FFA52B9CC741FEBBF9C4" bold="true" box="[151,274,1548,1575]" pageId="64" pageNumber="65">Diagnosis.</emphasis>
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Very large, relatively high-spired
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<taxonomicName id="F0B13CA6A940FFA529AAC743FC8DF9C4" authorityName="Eudes-Deslongchamps" authorityYear="1864" box="[673,804,1550,1575]" class="Gastropoda" family="Pleurotomariidae" genus="Leptomaria" higherTaxonomySource="GBIF" kingdom="Animalia" order="Vetigastropoda" pageId="64" pageNumber="65" phylum="Mollusca" rank="genus">
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<emphasis id="05C59B37A940FFA529AAC743FC8DF9C4" box="[673,804,1550,1575]" italics="true" pageId="64" pageNumber="65">Leptomaria</emphasis>
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</taxonomicName>
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with nearly straight sides dominated by fairly smooth spiral ribs on later whorls. Umbilicus wide (20–25 % of whorl diameter) on internal moulds. Selenizone located approximately 1/3 of the distance between the whorl sutures from the adapical suture (emended from
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<bibRefCitation id="53203AD4A940FFA52FF0C718FA35F98C" author="Pacaud, J. - M." box="[1275,1436,1621,1647]" pageId="64" pageNumber="65" pagination="577 - 629" refId="ref137053" refString="Pacaud, J. - M. (2004) Revision des mollusques du Danien (Paleocene inferieur) du Bassin de Paris. 1. Gastropoda: Patellogastropoda et Vetigastropoda (pro parte). Geodiversitas, 26 (4), 577 - 629." type="journal article" year="2004">Pacaud (2004)</bibRefCitation>
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and
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<bibRefCitation id="53203AD4A940FFA52BCCC734FE0CF970" author="Schlotheim, E. F. von" box="[199,421,1657,1683]" pageId="64" pageNumber="65" refId="ref139637" refString="Schlotheim, E. F. von (1820) Die Petrefaktenkunde auf ihrem jetzigen Standpunkte durch die Beschreibung seiner Sammlung versteinerter und fossiler Uberreste des Thier- und Pflanzenreiches der Vorwelt erlautert. Becker, Gotha, 437 pp., 15 pls." type="book" year="1820">Schlotheim (1820))</bibRefCitation>
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.
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</paragraph>
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<paragraph id="370E4725A940FFA52BCCC7D1FDD0F8A4" blockId="64.[151,1437,1548,2043]" pageId="64" pageNumber="65">
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<emphasis id="05C59B37A940FFA52BCCC7D1FE9FF954" bold="true" box="[199,310,1692,1719]" pageId="64" pageNumber="65">Material.</emphasis>
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A large specimen
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<collectionCode id="51A0DFE0A940FFA5290EC7D0FDF2F954" box="[517,603,1693,1719]" country="Denmark" httpUri="http://grbio.org/cool/c1ae-v64p" name="Museum Geologicum Universitatis Hafniensis" pageId="64" pageNumber="65">MGUH</collectionCode>
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33095 from the Korsnaeb Mb. infilling at the base of the
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<taxonomicName id="F0B13CA6A940FFA52FD4C7D0FEA2F938" authority="Limestone Mb." authorityName="Stevns Klint. Coll. C. Heinberg." class="Gastropoda" family="Cerithiidae" genus="Cerithium" higherTaxonomySource="CoL" kingdom="Animalia" order="Littorinimorpha" pageId="64" pageNumber="65" phylum="Mollusca" rank="genus">Cerithium Limestone Mb.</taxonomicName>
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at Højerup, and a smaller specimen,
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<collectionCode id="51A0DFE0A940FFA529CAC78DFCA8F938" box="[705,769,1728,1755]" country="USA" httpUri="http://grbio.org/cool/2e2p-880n" name="Ohio State University Museum" pageId="64" pageNumber="65">ØSM</collectionCode>
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.10042-73 from a
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<emphasis id="05C59B37A940FFA528DAC78CFBD0F938" box="[977,1145,1729,1755]" italics="true" pageId="64" pageNumber="65">Thalassinoides</emphasis>
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burrow in the
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<taxonomicName id="F0B13CA6A940FFA52E20C78CFEA4F91C" authority="Limestone" authorityName="Gilleaudeau et al." authorityYear="2018" class="Gastropoda" family="Cerithiidae" genus="Cerithium" higherTaxonomySource="CoL" kingdom="Animalia" order="Littorinimorpha" pageId="64" pageNumber="65" phylum="Mollusca" rank="genus">Cerithium Limestone</taxonomicName>
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at Rødvig. A further specimen with a diameter of
|
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<quantity id="F049EAC0A940FFA52841C7A9FC06F91C" box="[842,943,1764,1791]" metricMagnitude="-2" metricUnit="m" metricValue="8.95" pageId="64" pageNumber="65" unit="mm" value="89.5">89.5 mm</quantity>
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and a height of more than
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<quantity id="F049EAC0A940FFA52FE9C7A8FA9BF91C" box="[1250,1330,1765,1791]" metricMagnitude="-2" metricUnit="m" metricValue="6.8" pageId="64" pageNumber="65" unit="mm" value="68.0">68 mm</quantity>
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has been examined from the private collection of Claus Heinberg. That one came from the
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<emphasis id="05C59B37A940FFA52F31C644FB4BF8C0" box="[1082,1250,1801,1827]" italics="true" pageId="64" pageNumber="65">Thalassinoides</emphasis>
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burrows cutting through the
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<taxonomicName id="F0B13CA6A940FFA52A14C660FDD0F8A4" authority="Limestone Member." authorityName="Stevns Klint. Coll. C. Heinberg." box="[287,633,1837,1863]" class="Gastropoda" family="Cerithiidae" genus="Cerithium" higherTaxonomySource="CoL" kingdom="Animalia" order="Littorinimorpha" pageId="64" pageNumber="65" phylum="Mollusca" rank="genus">Cerithium Limestone Member.</taxonomicName>
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</paragraph>
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<paragraph id="370E4725A940FFA52BCCC61CFB50F888" blockId="64.[151,1437,1548,2043]" box="[199,1273,1872,1899]" pageId="64" pageNumber="65">
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||
<materialsCitation id="87D94D78A940FFA52BCCC61CFB5CF888" ID-GBIF-Occurrence="2331574424" box="[199,1269,1872,1899]" country="Denmark" location="Middle Danian Coral Limestone" municipality="Faxe Quarry" pageId="64" pageNumber="65" specimenCount="2" typeStatus="holotype">
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||
<emphasis id="05C59B37A940FFA52BCCC61CFD93F888" bold="true" box="[199,570,1872,1899]" pageId="64" pageNumber="65">
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||
<typeStatus id="E80AF987A940FFA52BCCC61CFEABF888" box="[199,258,1873,1899]" pageId="64" pageNumber="65">Type</typeStatus>
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||
stratum and
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||
<typeStatus id="E80AF987A940FFA52AA8C61CFE7FF888" box="[419,470,1873,1899]" pageId="64" pageNumber="65">type</typeStatus>
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||
locality.
|
||
</emphasis>
|
||
<location id="326E11FEA940FFA5294AC61CFC05F888" LSID="urn:lsid:plazi:treatment:BF18F633A940FFA42B9CC5A7FC5AFBD4:326E11FEA940FFA5294AC61CFC05F888" box="[577,940,1873,1899]" country="Denmark" municipality="Faxe Quarry" name="Middle Danian Coral Limestone" pageId="64" pageNumber="65">Middle Danian Coral Limestone</location>
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||
from
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<collectingMunicipality id="D76ADD5FA940FFA528FBC61CFBD7F888" box="[1008,1150,1873,1899]" pageId="64" pageNumber="65">Faxe Quarry</collectingMunicipality>
|
||
,
|
||
<collectingCountry id="4FA607B5A940FFA52F82C61CFB5CF888" box="[1161,1269,1873,1899]" name="Denmark" pageId="64" pageNumber="65">Denmark</collectingCountry>
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="370E4725A940FFA42BCCC639FC2AFF34" blockId="64.[151,1437,1548,2043]" lastBlockId="65.[151,1437,153,1079]" lastPageId="65" lastPageNumber="66" pageId="64" pageNumber="65">
|
||
<emphasis id="05C59B37A940FFA52BCCC639FEF3F86C" bold="true" box="[199,346,1908,1935]" pageId="64" pageNumber="65">Occurrence.</emphasis>
|
||
This species occurs in the lower Danian
|
||
<taxonomicName id="F0B13CA6A940FFA5284BC638FB35F86C" authority="Limestone Member" authorityName="Gilleaudeau et al." authorityYear="2018" box="[832,1180,1909,1935]" class="Gastropoda" family="Cerithiidae" genus="Cerithium" higherTaxonomySource="CoL" kingdom="Animalia" order="Littorinimorpha" pageId="64" pageNumber="65" phylum="Mollusca" rank="genus">Cerithium Limestone Member</taxonomicName>
|
||
of the Rødvig Fm. at Stevns Klint, where the shells are found in
|
||
<emphasis id="05C59B37A940FFA52973C6D4FC89F850" box="[632,800,1945,1971]" italics="true" pageId="64" pageNumber="65">Thalassinoides</emphasis>
|
||
burrows containing material from the succeeding Stevns Klint Formation. The specimens, however, belong to a now eroded upper layer of the
|
||
<taxonomicName id="F0B13CA6A940FFA52F41C6F0FA35F834" authority="Limestone Member" authorityName="Gilleaudeau et al." authorityYear="2018" box="[1098,1436,1981,2007]" class="Gastropoda" family="Cerithiidae" genus="Cerithium" higherTaxonomySource="CoL" kingdom="Animalia" order="Littorinimorpha" pageId="64" pageNumber="65" phylum="Mollusca" rank="genus">Cerithium Limestone Member</taxonomicName>
|
||
as evidenced by their internal moulds consisting of
|
||
<taxonomicName id="F0B13CA6A940FFA529E2C6ACFC73F818" authority="Limestone" authorityName="Gilleaudeau et al." authorityYear="2018" box="[745,986,2017,2043]" class="Gastropoda" family="Cerithiidae" genus="Cerithium" higherTaxonomySource="CoL" kingdom="Animalia" order="Littorinimorpha" pageId="64" pageNumber="65" phylum="Mollusca" rank="genus">Cerithium Limestone</taxonomicName>
|
||
(pers. comm. Claus Heinberg Clausen, Roskilde University,
|
||
<collectingCountry id="4FA607B5A941FFA42A8EC1D4FE5AFF57" box="[389,499,153,180]" name="Denmark" pageId="65" pageNumber="66">Denmark</collectingCountry>
|
||
). It is furthermore reported from the middle Danian Faxe Formation and upper Stevns Klint Formation at Faxe,
|
||
<collectingCountry id="4FA607B5A941FFA42AEAC1F0FDE0FF34" box="[481,585,189,215]" name="Denmark" pageId="65" pageNumber="66">Denmark</collectingCountry>
|
||
(
|
||
<bibRefCitation id="53203AD4A941FFA42953C1F0FD44FF34" author="Pacaud, J. - M." box="[600,749,189,215]" pageId="65" pageNumber="66" pagination="577 - 629" refId="ref137053" refString="Pacaud, J. - M. (2004) Revision des mollusques du Danien (Paleocene inferieur) du Bassin de Paris. 1. Gastropoda: Patellogastropoda et Vetigastropoda (pro parte). Geodiversitas, 26 (4), 577 - 629." type="journal article" year="2004">Pacaud 2004</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="53203AD4A941FFA429F3C1F0FCDFFF34" author="Ravn, J. P. J." box="[760,886,189,215]" pageId="65" pageNumber="66" pagination="205 - 270" refId="ref138257" refString="Ravn, J. P. J. (1902) Molluskerne i Danmarks Kridtaflejringer. II, Scaphopoder, Gastropoder og Cephalopoder. Det Kongelige Danske Videnskabernes Selskab Skrifter, 6. Raekke, Naturvidenskabelig og Mathematisk Afdeling XI, 4, 205 - 270, pls. 1 - 5." type="journal article" year="1902">Ravn 1902</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="370E4725A941FFA42BCCC1ADFECAFD64" blockId="65.[151,1437,153,1079]" pageId="65" pageNumber="66">
|
||
<emphasis id="05C59B37A941FFA42BCCC1ADFD47FF18" bold="true" box="[199,750,224,251]" pageId="65" pageNumber="66">
|
||
Description of
|
||
<taxonomicName id="F0B13CA6A941FFA42A72C1ADFDD0FF18" authority="Limestone" authorityName="Gilleaudeau et al." authorityYear="2018" box="[377,633,224,251]" class="Gastropoda" family="Cerithiidae" genus="Cerithium" higherTaxonomySource="CoL" kingdom="Animalia" order="Littorinimorpha" pageId="65" pageNumber="66" phylum="Mollusca" rank="genus">Cerithium Limestone</taxonomicName>
|
||
material.
|
||
</emphasis>
|
||
Shell cyrtoconoid with a spire angle of between 70 and 80˚; umbilicus narrow or completely closed, but taking up between 20 and 25 % of total width on internal moulds; whorls with moderately distinct shoulder, resulting in a somewhat stepped shell outline. Whorl surface adapically and abapically of shoulder nearly straight to weakly convex, but may become slightly concave. Shell periphery with moderately pronounced, sharply rounded keel. Abaxial part of whorl fairly weakly convex. Selenizone narrow, taking up approximately 7 % of whorl height measured from suture to suture; selenizone generally indistinct, located immediately above shoulder about 1/3 of distance between keel and adapical suture from adapical suture. Selenizone replaced by open slit around 2/3 of a whorl from aperture. Aperture wide, subtriangular with flattened outer wall. Teleoconch sculpture above keel consisting of 10 weak spiral threads abapically of selenizone. Adapical part of whorl with about four weak spiral threads on adapical half and a more or less smooth abapical half adjoining selenizone. Growth lines very weak, mainly seen on shell base, but may produce a slightly grainy sculpture on the very early whorls.
|
||
</paragraph>
|
||
<paragraph id="370E4725A941FFA42BCCC3DCFC9FFD10" blockId="65.[151,1437,153,1079]" pageId="65" pageNumber="66">
|
||
<emphasis id="05C59B37A941FFA42BCCC3DCFED7FD48" bold="true" box="[199,382,657,683]" pageId="65" pageNumber="66">Measurements.</emphasis>
|
||
The most complete specimen examined from the
|
||
<taxonomicName id="F0B13CA6A941FFA428AFC3DCFB5EFD48" authority="Limestone Member" authorityName="Gilleaudeau et al." authorityYear="2018" box="[932,1271,657,683]" class="Gastropoda" family="Cerithiidae" genus="Cerithium" higherTaxonomySource="CoL" kingdom="Animalia" order="Littorinimorpha" pageId="65" pageNumber="66" phylum="Mollusca" rank="genus">Cerithium Limestone Member</taxonomicName>
|
||
has a diameter of
|
||
<quantity id="F049EAC0A941FFA42BBEC3F9FEB1FD2C" box="[181,280,692,719]" metricMagnitude="-2" metricUnit="m" metricValue="8.95" pageId="65" pageNumber="66" unit="mm" value="89.5">89.5 mm</quantity>
|
||
and a height in excess of
|
||
<quantity id="F049EAC0A941FFA4293EC3F8FD2AFD2C" box="[565,643,693,719]" metricMagnitude="-2" metricUnit="m" metricValue="6.8" pageId="65" pageNumber="66" unit="mm" value="68.0">68 mm</quantity>
|
||
(apex missing), but specimens of more than
|
||
<quantity id="F049EAC0A941FFA42F7FC3F8FB10FD2C" box="[1140,1209,693,719]" metricMagnitude="-1" metricUnit="m" metricValue="1.0" pageId="65" pageNumber="66" unit="cm" value="10.0">10 cm</quantity>
|
||
in height are known from the middle Danien coral limestone of the
|
||
<typeStatus id="E80AF987A941FFA429AEC394FD7CFD10" box="[677,725,729,755]" pageId="65" pageNumber="66">type</typeStatus>
|
||
locality.
|
||
</paragraph>
|
||
<paragraph id="370E4725A941FFA42BCCC3B0FDC6FC28" blockId="65.[151,1437,153,1079]" pageId="65" pageNumber="66">
|
||
<emphasis id="05C59B37A941FFA42BCCC3B0FE92FCF4" bold="true" box="[199,315,765,791]" pageId="65" pageNumber="66">Remarks.</emphasis>
|
||
This species seem first to have moved out into the Danish Basin shortly before the marked sea level drop, which terminated the muddy
|
||
<taxonomicName id="F0B13CA6A941FFA42921C26CFCB3FCD8" authority="Limestone" authorityName="Gilleaudeau et al." authorityYear="2018" box="[554,794,801,827]" class="Gastropoda" family="Cerithiidae" genus="Cerithium" higherTaxonomySource="CoL" kingdom="Animalia" order="Littorinimorpha" pageId="65" pageNumber="66" phylum="Mollusca" rank="genus">Cerithium Limestone</taxonomicName>
|
||
environment, and has thus not been found
|
||
<emphasis id="05C59B37A941FFA42E07C26FFAFBFCD8" box="[1292,1362,802,827]" italics="true" pageId="65" pageNumber="66">in situ</emphasis>
|
||
in the
|
||
<taxonomicName id="F0B13CA6A941FFA42B9CC208FE2EFCBC" authority="Limestone" authorityName="Gilleaudeau et al." authorityYear="2018" box="[151,391,837,863]" class="Gastropoda" family="Cerithiidae" genus="Cerithium" higherTaxonomySource="CoL" kingdom="Animalia" order="Littorinimorpha" pageId="65" pageNumber="66" phylum="Mollusca" rank="genus">Cerithium Limestone</taxonomicName>
|
||
but only as redeposited shells in
|
||
<emphasis id="05C59B37A941FFA42808C208FC02FCBC" box="[771,939,837,863]" italics="true" pageId="65" pageNumber="66">Thalassinoides</emphasis>
|
||
burrows reaching down from the top of the formation. The material from the
|
||
<taxonomicName id="F0B13CA6A941FFA42901C224FCF4FC60" authority="Limestone Member" authorityName="Gilleaudeau et al." authorityYear="2018" box="[522,861,873,899]" class="Gastropoda" family="Cerithiidae" genus="Cerithium" higherTaxonomySource="CoL" kingdom="Animalia" order="Littorinimorpha" pageId="65" pageNumber="66" phylum="Mollusca" rank="genus">Cerithium Limestone Member</taxonomicName>
|
||
may deviate slightly from the typical form from the middle Danian limestone at Faxe Quarry,
|
||
<collectingCountry id="4FA607B5A941FFA4297FC2C0FD76FC44" box="[628,735,909,935]" name="Denmark" pageId="65" pageNumber="66">Denmark</collectingCountry>
|
||
, by a slightly more high-spired shape (spire angle below 80˚) and perhaps relatively finer spiral threads.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="7FAB14AEA941FFA42BCCC29BFC5AFBD4" pageId="65" pageNumber="66" type="reference_group">
|
||
<paragraph id="370E4725A941FFA42BCCC29BFC5AFBD4" blockId="65.[151,1437,153,1079]" pageId="65" pageNumber="66">
|
||
<taxonomicName id="F0B13CA6A941FFA42BCCC29BFD60FC0C" authority="(Schlotheim, 1820)" baseAuthorityName="Schlotheim" baseAuthorityYear="1820" box="[199,713,981,1007]" class="Gastropoda" family="Pleurotomariidae" genus="Leptomaria" higherTaxonomySource="GBIF" kingdom="Animalia" order="Vetigastropoda" pageId="65" pageNumber="66" phylum="Mollusca" rank="species" species="niloticiformis">
|
||
<emphasis id="05C59B37A941FFA42BCCC29BFE41FC0C" box="[199,488,981,1007]" italics="true" pageId="65" pageNumber="66">Leptomaria niloticiformis</emphasis>
|
||
(
|
||
<bibRefCitation id="53203AD4A941FFA42AFCC298FD69FC0C" author="Schlotheim, E. F. von" box="[503,704,981,1007]" pageId="65" pageNumber="66" refId="ref139637" refString="Schlotheim, E. F. von (1820) Die Petrefaktenkunde auf ihrem jetzigen Standpunkte durch die Beschreibung seiner Sammlung versteinerter und fossiler Uberreste des Thier- und Pflanzenreiches der Vorwelt erlautert. Becker, Gotha, 437 pp., 15 pls." type="book" year="1820">Schlotheim, 1820</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
is readily distinguished from
|
||
<taxonomicName id="F0B13CA6A941FFA42F10C29BFB77FC0C" authority="Pacaud" authorityName="Pacaud" authorityYear="2004" box="[1051,1246,981,1007]" class="Gastropoda" family="Pleurotomariidae" genus="Leptomaria" higherTaxonomySource="GBIF" kingdom="Animalia" order="Vetigastropoda" pageId="65" pageNumber="66" phylum="Mollusca" rank="species" species="meyeri">
|
||
<emphasis id="05C59B37A941FFA42F10C29BFB2CFC0C" box="[1051,1157,982,1007]" italics="true" pageId="65" pageNumber="66">L. meyeri</emphasis>
|
||
Pacaud
|
||
</taxonomicName>
|
||
described below by the largely smooth spiral sculpture, the nearly straight whorl sides with only a weak shoulder and no pronounced concavity adapically of the selenizone, and by the location of the selenizone.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |