383 lines
48 KiB
XML
383 lines
48 KiB
XML
<document id="AA5FD1E6E69AB688AFB5569319388E5D" ID-CLB-Dataset="24105" ID-DOI="10.5852/ejt.2019.585" ID-GBIF-Dataset="dca608e8-fccf-4c1c-b8df-ef0c28e1d518" ID-Zenodo-Dep="3660259" ID-ZooBank="181B6FBA-ED75-4BB4-84C4-FB512B794749" IM.bibliography_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1581251975682" checkinUser="plazi" docAuthor="Ebersole, Jun A., Cicimurri, David J. & Stringer, Gary L." docDate="2019" docId="18174D41FF17FF3BFE2C9EF54CF00DBB" docLanguage="en" docName="ejt-585_ebersole_cicimurri_stinger.pdf.imf" docOrigin="European Journal of Taxonomy 585" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Eoplinthicus yazooensis Cappetta & Stringer 2002" docType="treatment" docVersion="19" lastPageNumber="149" masterDocId="E42E3539FF85FFAFFFC69F344D4B0F37" masterDocTitle="Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, including an analysis of otoliths" masterLastPageNumber="274" masterPageNumber="1" pageNumber="147" updateTime="1698783570407" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="A8F90D0C8A5C7B25EB2508CDEA87B099">Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, including an analysis of otoliths</mods:title>
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<mods:namePart id="DCBB4CA19BC9EB572344164761465339">Ebersole, Jun A.</mods:namePart>
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<mods:namePart id="4AA8FAA1F1E666CFF7D61FA17E6DB3FD">Cicimurri, David J.</mods:namePart>
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<mods:namePart id="96A860C61A437137AC1B3FC62979C798">Stringer, Gary L.</mods:namePart>
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<mods:title id="11CC74F1ECB04A652DBF1860D6CDB03A">European Journal of Taxonomy</mods:title>
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<mods:date id="82850790E501B48AE3D83D67C4AF0E39">2019</mods:date>
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<treatment id="18174D41FF17FF3BFE2C9EF54CF00DBB" ID-DOI="http://doi.org/10.5281/zenodo.3664280" ID-GBIF-Taxon="162072879" ID-Zenodo-Dep="3664280" LSID="urn:lsid:plazi:treatment:18174D41FF17FF3BFE2C9EF54CF00DBB" httpUri="http://treatment.plazi.org/id/18174D41FF17FF3BFE2C9EF54CF00DBB" lastPageId="148" lastPageNumber="149" pageId="146" pageNumber="147">
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<subSubSection id="D8A4AFDCFF17FF3DFE2C9EF549020EEC" box="[490,1097,449,476]" pageId="146" pageNumber="147" type="nomenclature">
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<paragraph id="9001FC57FF17FF3DFE2C9EF549020EEC" blockId="146.[490,1097,449,511]" box="[490,1097,449,476]" pageId="146" pageNumber="147">
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<heading id="CB494B3BFF17FF3DFE2C9EF549020EEC" box="[490,1097,449,476]" centered="true" fontSize="11" level="2" pageId="146" pageNumber="147" reason="2">
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<taxonomicName id="57BE87D4FF17FF3DFE2C9EF549020EEC" authority="Cappetta & Stringer, 2002" authorityName="Cappetta & Stringer" authorityYear="2002" box="[490,1097,449,476]" class="Chondrichthyes" family="Mobulidae" genus="Eoplinthicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="146" pageNumber="147" phylum="Chordata" rank="species" species="yazooensis">
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<emphasis id="A2CA2045FF17FF3DFE2C9EF54E450EEC" bold="true" box="[490,782,449,476]" italics="true" pageId="146" pageNumber="147">Eoplinthicus yazooensis</emphasis>
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<bibRefCitation id="F42F81A6FF17FF3DFCD39EF549020EEC" author="Cappetta H. & Stringer G. L." box="[789,1097,449,475]" pageId="146" pageNumber="147" pagination="51 - 56" refId="ref138109" refString="Cappetta H. & Stringer G. L. 2002. A new batoid genus (Neoselachii: Myliobatiformes) from the Yazoo Clay (upper Eocene) of Louisiana, USA. Tertiary Research 21 (104): 51 - 56." type="journal article" year="2002">Cappetta & Stringer, 2002</bibRefCitation>
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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="D8A4AFDCFF17FF3DFD369ED04E080EC8" box="[752,835,484,511]" pageId="146" pageNumber="147" type="description">
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<paragraph id="9001FC57FF17FF3DFD369ED04E080EC8" blockId="146.[490,1097,449,511]" box="[752,835,484,511]" pageId="146" pageNumber="147">
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<figureCitation id="0885E0D2FF17FF3DFD369ED04E080EC8" box="[752,835,484,511]" captionStart="Fig" captionStartId="146.[189,232,1930,1956]" captionTargetBox="[202,1388,1392,1880]" captionTargetId="figure@146.[189,1398,1386,1894]" captionTargetPageId="146" captionText="Fig. 54. Eoplinthicus yazooensis Cappetta & Stringer, 2002, median tooth. A–E.ALMNH PV1985.35.65, Gosport Sand. A. Lingual view. B. Labial view. C. Oral view. D. Basal view. E. Profile view. Labial at top in oral and basal views. Scale bar = 1 cm." figureDoi="http://doi.org/10.5281/zenodo.3660363" httpUri="https://zenodo.org/record/3660363/files/figure.png" pageId="146" pageNumber="147">Fig. 54</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="D8A4AFDCFF17FF3DFF7B9D124EFD0D77" box="[189,950,549,576]" pageId="146" pageNumber="147" type="reference_group">
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<paragraph id="9001FC57FF17FF3DFF7B9D124EFD0D77" blockId="146.[189,950,549,576]" box="[189,950,549,576]" pageId="146" pageNumber="147">
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<taxonomicName id="57BE87D4FF17FF3DFF7B9D124E240D77" authority="Cappetta & Stringer, 2002: 51 - 56" authorityName="Cappetta & Stringer" authorityPageNumber="51" authorityYear="2002" box="[189,879,549,576]" class="Chondrichthyes" family="Mobulidae" genus="Eoplinthicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="146" pageNumber="147" phylum="Chordata" rank="species" species="yazooensis">
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<emphasis id="A2CA2045FF17FF3DFF7B9D124C930D08" box="[189,472,550,576]" italics="true" pageId="146" pageNumber="147">Eoplinthicus yazooensis</emphasis>
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<bibRefCitation id="F42F81A6FF17FF3DFE199D124E240D77" author="Cappetta H. & Stringer G. L." box="[479,879,549,576]" pageId="146" pageNumber="147" pagination="51 - 56" refId="ref138109" refString="Cappetta H. & Stringer G. L. 2002. A new batoid genus (Neoselachii: Myliobatiformes) from the Yazoo Clay (upper Eocene) of Louisiana, USA. Tertiary Research 21 (104): 51 - 56." type="journal article" year="2002">Cappetta & Stringer, 2002: 51–56</bibRefCitation>
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</taxonomicName>
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, pl. 1.
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</paragraph>
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</subSubSection>
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<subSubSection id="D8A4AFDCFF17FF3DFF7B9D534C250DE3" pageId="146" pageNumber="147" type="materials_examined">
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<paragraph id="9001FC57FF17FF3DFF7B9D534CE10DB6" blockId="146.[189,426,615,641]" box="[189,426,615,641]" pageId="146" pageNumber="147">
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<heading id="CB494B3BFF17FF3DFF7B9D534CE10DB6" bold="true" box="[189,426,615,641]" fontSize="11" level="3" pageId="146" pageNumber="147" reason="3">
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<emphasis id="A2CA2045FF17FF3DFF7B9D534CE10DB6" bold="true" box="[189,426,615,641]" pageId="146" pageNumber="147">Material examined</emphasis>
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</heading>
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</paragraph>
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<paragraph id="9001FC57FF17FF3DFF7B9DA24C250DE3" blockId="146.[189,1399,661,724]" pageId="146" pageNumber="147">
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<materialsCitation id="20D6F60AFF17FF3DFF7B9DA24C210DE3" ID-GBIF-Occurrence="2564277991" collectionCode="ALMNH" country="United States of America" location="Claiborne Group" pageId="146" pageNumber="147" specimenCount="1" stateProvince="Alabama">
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<collectingCountry id="E8A9BCC7FF17FF3DFF7B9DA24F240D87" box="[189,623,662,688]" name="United States of America" pageId="146" pageNumber="147">UNITED STATES OF AMERICA</collectingCountry>
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–
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<emphasis id="A2CA2045FF17FF3DFD669DA14E590D98" bold="true" box="[672,786,661,687]" pageId="146" pageNumber="147">
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<collectingRegion id="527A32B5FF17FF3DFD669DA14E590D98" box="[672,786,661,687]" country="United States of America" name="Alabama" pageId="146" pageNumber="147">Alabama</collectingRegion>
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</emphasis>
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• 1 isolated tooth;
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<location id="9561AA8CFF17FF3DFBE59DA249BC0D87" LSID="urn:lsid:plazi:treatment:18174D41FF17FF3BFE2C9EF54CF00DBB:9561AA8CFF17FF3DFBE59DA249BC0D87" box="[1059,1271,662,688]" country="United States of America" name="Claiborne Group" pageId="146" pageNumber="147" stateProvince="Alabama">Claiborne Group</location>
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;
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<collectionCode id="F6AF6492FF17FF3DFACD9DA2483C0D87" box="[1291,1399,662,688]" country="USA" httpUri="http://grbio.org/cool/93n4-xhed" name="Alabama Museum of Natural History" pageId="146" pageNumber="147" type="Museum">ALMNH</collectionCode>
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PV1985.35.65
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</materialsCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="D8A4AFDCFF17FF3DFF7B9DCE498A0B0D" pageId="146" pageNumber="147" type="description">
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<paragraph id="9001FC57FF17FF3DFF7B9DCE4C050C23" blockId="146.[189,334,762,788]" box="[189,334,762,788]" pageId="146" pageNumber="147">
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<heading id="CB494B3BFF17FF3DFF7B9DCE4C050C23" bold="true" box="[189,334,762,788]" fontSize="11" level="3" pageId="146" pageNumber="147" reason="3">
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<emphasis id="A2CA2045FF17FF3DFF7B9DCE4C050C23" bold="true" box="[189,334,762,788]" pageId="146" pageNumber="147">Description</emphasis>
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</heading>
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</paragraph>
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<paragraph id="9001FC57FF17FF3DFF7B9C1D498A0B0D" blockId="146.[189,1398,809,1082]" pageId="146" pageNumber="147">A single median tooth is represented in our sample. Tooth is very wide, but labiolingually thin, sixsided. Occlusal surface concave across nearly the entire width; occlusal surface outlined by a sharp, irregular rim. In oral view, crown is conspicuously smaller in area than the crown base. Labial crown face concave, with lower half projecting labially and upper half nearly vertical. Lingual face vertical and straight, slight lingual projection at the crown foot. Very base of lingual crown bears weak transverse ridge immediately above the root. All crown faces with coarse ornamentation of vertical anastomosing and interconnected ridges that become finer apically. Polyaulocorhize root as high as the crown. Labial and lingual faces nearly vertical; 13 narrow lobes are separated by 12 nutritive grooves.</paragraph>
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</subSubSection>
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<subSubSection id="D8A4AFDCFF17FF3CFF7B9B554E080B16" lastPageId="147" lastPageNumber="148" pageId="146" pageNumber="147" type="discussion">
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<paragraph id="9001FC57FF17FF3DFF7B9B554C640B4C" blockId="146.[189,303,1121,1147]" box="[189,303,1121,1147]" pageId="146" pageNumber="147">
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<heading id="CB494B3BFF17FF3DFF7B9B554C640B4C" bold="true" box="[189,303,1121,1147]" fontSize="11" level="3" pageId="146" pageNumber="147" reason="3">
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<emphasis id="A2CA2045FF17FF3DFF7B9B554C640B4C" bold="true" box="[189,303,1121,1147]" pageId="146" pageNumber="147">Remarks</emphasis>
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</heading>
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</paragraph>
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<paragraph id="9001FC57FF17FF3CFF7B9BBB4CD20DBF" blockId="146.[189,1399,1167,1335]" lastBlockId="147.[189,1399,267,648]" lastPageId="147" lastPageNumber="148" pageId="146" pageNumber="147">
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When originally described,
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<taxonomicName id="57BE87D4FF17FF3DFDD39BBB4FE20B9E" authorityName="Cappetta & Stringer" authorityYear="2002" box="[533,681,1167,1193]" class="Chondrichthyes" family="Mobulidae" genus="Eoplinthicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="146" pageNumber="147" phylum="Chordata" rank="genus">
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<emphasis id="A2CA2045FF17FF3DFDD39BBB4FE20B9E" box="[533,681,1167,1193]" italics="true" pageId="146" pageNumber="147">Eoplinthicus</emphasis>
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</taxonomicName>
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was not directly differentiated from
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<taxonomicName id="57BE87D4FF17FF3DFBBA9BBB484B0B9E" authorityName="Cappetta" authorityYear="1976" box="[1148,1280,1167,1193]" class="Elasmobranchii" family="Mobulidae" genus="Burnhamia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="146" pageNumber="147" phylum="Chordata" rank="genus">
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<emphasis id="A2CA2045FF17FF3DFBBA9BBB484B0B9E" box="[1148,1280,1167,1193]" italics="true" pageId="146" pageNumber="147">Burnhamia</emphasis>
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</taxonomicName>
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, possibly because the two genera were not known to co-occur within the Yazoo Clay (
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<bibRefCitation id="F42F81A6FF17FF3DFBF09B8648200BFB" author="Cappetta H. & Stringer G. L." box="[1078,1387,1202,1228]" pageId="146" pageNumber="147" pagination="51 - 56" refId="ref138109" refString="Cappetta H. & Stringer G. L. 2002. A new batoid genus (Neoselachii: Myliobatiformes) from the Yazoo Clay (upper Eocene) of Louisiana, USA. Tertiary Research 21 (104): 51 - 56." type="journal article" year="2002">Cappetta & Stringer 2002</bibRefCitation>
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). However, both
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<taxonomicName id="57BE87D4FF17FF3DFEB29BE24F430BC7" authorityName="Cappetta & Stringer" authorityYear="2002" box="[372,520,1238,1264]" class="Chondrichthyes" family="Mobulidae" genus="Eoplinthicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="146" pageNumber="147" phylum="Chordata" rank="genus">
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<emphasis id="A2CA2045FF17FF3DFEB29BE24F430BC7" box="[372,520,1238,1264]" italics="true" pageId="146" pageNumber="147">Eoplinthicus</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="57BE87D4FF17FF3DFD829BE24F830BC7" authorityName="Cappetta" authorityYear="1976" box="[580,712,1238,1264]" class="Elasmobranchii" family="Mobulidae" genus="Burnhamia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="146" pageNumber="147" phylum="Chordata" rank="genus">
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<emphasis id="A2CA2045FF17FF3DFD829BE24F830BC7" box="[580,712,1238,1264]" italics="true" pageId="146" pageNumber="147">Burnhamia</emphasis>
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</taxonomicName>
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were collected from the upper Gosport Sand (see above), and a differential diagnosis is provided here.
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<taxonomicName id="57BE87D4FF17FF3DFD189BCD4EB10A24" authorityName="Cappetta & Stringer" authorityYear="2002" box="[734,1018,1273,1299]" class="Chondrichthyes" family="Mobulidae" genus="Eoplinthicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="146" pageNumber="147" phylum="Chordata" rank="species" species="yazooensis">
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<emphasis id="A2CA2045FF17FF3DFD189BCD4EB10A24" box="[734,1018,1273,1299]" italics="true" pageId="146" pageNumber="147">Eoplinthicus yazooensis</emphasis>
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</taxonomicName>
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is now known from three teeth (including two from the Yazoo Clay), all of which can be distinguished from
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<taxonomicName id="57BE87D4FF17FF3DFB979A28499E0A01" authorityName="Cappetta" authorityYear="1976" box="[1105,1237,1308,1334]" class="Elasmobranchii" family="Mobulidae" genus="Burnhamia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="146" pageNumber="147" phylum="Chordata" rank="genus">
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<emphasis id="A2CA2045FF17FF3DFB979A28499E0A01" box="[1105,1237,1308,1334]" italics="true" pageId="146" pageNumber="147">Burnhamia</emphasis>
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</taxonomicName>
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by having an occlusal surface that is significantly smaller in area than the crown base. In contrast, the occlusal surface on
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<taxonomicName id="57BE87D4FF16FF3CFF259E1B4C2C0E7E" authorityName="Cappetta" authorityYear="1976" box="[227,359,303,329]" class="Elasmobranchii" family="Mobulidae" genus="Burnhamia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="147" pageNumber="148" phylum="Chordata" rank="genus">
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<emphasis id="A2CA2045FF16FF3CFF259E1B4C2C0E7E" box="[227,359,303,329]" italics="true" pageId="147" pageNumber="148">Burnhamia</emphasis>
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</taxonomicName>
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teeth is equal to, or only slightly smaller in area than, the crown base. Additionally, the lower half of the labial face of
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<taxonomicName id="57BE87D4FF16FF3CFD879E674FAF0E5B" authorityName="Cappetta & Stringer" authorityYear="2002" box="[577,740,339,364]" class="Chondrichthyes" family="Mobulidae" genus="Eoplinthicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="147" pageNumber="148" phylum="Chordata" rank="species" species="yazooensis">
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<emphasis id="A2CA2045FF16FF3CFD879E674FAF0E5B" box="[577,740,339,364]" italics="true" pageId="147" pageNumber="148">E. yazooensis</emphasis>
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</taxonomicName>
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is broadly rounded, whereas on
|
||
<taxonomicName id="57BE87D4FF16FF3CFBBE9E6649B70E5B" authorityName="Cappetta" authorityYear="1976" box="[1144,1276,338,364]" class="Elasmobranchii" family="Mobulidae" genus="Burnhamia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="147" pageNumber="148" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF16FF3CFBBE9E6649B70E5B" box="[1144,1276,338,364]" italics="true" pageId="147" pageNumber="148">Burnhamia</emphasis>
|
||
</taxonomicName>
|
||
the labial crown foot is developed into a sharp horizontal or basally directed projection. In profile, the lateral angles of
|
||
<taxonomicName id="57BE87D4FF16FF3CFEE89EAE4C860E84" authorityName="Cappetta & Stringer" authorityYear="2002" box="[302,461,410,435]" class="Chondrichthyes" family="Mobulidae" genus="Eoplinthicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="147" pageNumber="148" phylum="Chordata" rank="species" species="yazooensis">
|
||
<emphasis id="A2CA2045FF16FF3CFEE89EAE4C860E84" box="[302,461,410,435]" italics="true" pageId="147" pageNumber="148">E. yazooensis</emphasis>
|
||
</taxonomicName>
|
||
are not as sharply defined as observed on
|
||
<taxonomicName id="57BE87D4FF16FF3CFC7C9EAD49750E84" authorityName="Cappetta" authorityYear="1976" box="[954,1086,409,435]" class="Elasmobranchii" family="Mobulidae" genus="Burnhamia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="147" pageNumber="148" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF16FF3CFC7C9EAD49750E84" box="[954,1086,409,435]" italics="true" pageId="147" pageNumber="148">Burnhamia</emphasis>
|
||
</taxonomicName>
|
||
. Also, the occlusal surface of
|
||
<taxonomicName id="57BE87D4FF16FF3CFF279E894CCE0EE1" authorityName="Cappetta & Stringer" authorityYear="2002" box="[225,389,445,470]" class="Chondrichthyes" family="Mobulidae" genus="Eoplinthicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="147" pageNumber="148" phylum="Chordata" rank="species" species="yazooensis">
|
||
<emphasis id="A2CA2045FF16FF3CFF279E894CCE0EE1" box="[225,389,445,470]" italics="true" pageId="147" pageNumber="148">E. yazooensis</emphasis>
|
||
</taxonomicName>
|
||
bears a series of fine labiolingually oriented striations, as opposed to a somewhat reticulated network of ridges on the oral surface of
|
||
<taxonomicName id="57BE87D4FF16FF3CFCC99ED44ED80ECD" authorityName="Cappetta" authorityYear="1976" box="[783,915,480,506]" class="Elasmobranchii" family="Mobulidae" genus="Burnhamia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="147" pageNumber="148" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF16FF3CFCC99ED44ED80ECD" box="[783,915,480,506]" italics="true" pageId="147" pageNumber="148">Burnhamia</emphasis>
|
||
</taxonomicName>
|
||
teeth. The labial margin on
|
||
<taxonomicName id="57BE87D4FF16FF3CFB1E9ED5483D0ECD" authorityName="Cappetta & Stringer" authorityYear="2002" box="[1240,1398,481,506]" class="Chondrichthyes" family="Mobulidae" genus="Eoplinthicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="147" pageNumber="148" phylum="Chordata" rank="species" species="yazooensis">
|
||
<emphasis id="A2CA2045FF16FF3CFB1E9ED5483D0ECD" box="[1240,1398,481,506]" italics="true" pageId="147" pageNumber="148">E. yazooensis</emphasis>
|
||
</taxonomicName>
|
||
is less sharply defined than
|
||
<taxonomicName id="57BE87D4FF16FF3CFE3D9D304F340D29" authorityName="Cappetta" authorityYear="1976" box="[507,639,516,542]" class="Elasmobranchii" family="Mobulidae" genus="Burnhamia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="147" pageNumber="148" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF16FF3CFE3D9D304F340D29" box="[507,639,516,542]" italics="true" pageId="147" pageNumber="148">Burnhamia</emphasis>
|
||
</taxonomicName>
|
||
, which has a sharp six-sided outline in occlusal view.
|
||
<bibRefCitation id="F42F81A6FF16FF3CFB379D304C390D76" author="Cappetta H. & Stringer G. L." pageId="147" pageNumber="148" pagination="51 - 56" refId="ref138109" refString="Cappetta H. & Stringer G. L. 2002. A new batoid genus (Neoselachii: Myliobatiformes) from the Yazoo Clay (upper Eocene) of Louisiana, USA. Tertiary Research 21 (104): 51 - 56." type="journal article" year="2002">Cappetta & Stringer (2002)</bibRefCitation>
|
||
implied that
|
||
<taxonomicName id="57BE87D4FF16FF3CFDD59D134FEC0D76" authorityName="Cappetta & Stringer" authorityYear="2002" box="[531,679,551,577]" class="Chondrichthyes" family="Mobulidae" genus="Eoplinthicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="147" pageNumber="148" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF16FF3CFDD59D134FEC0D76" box="[531,679,551,577]" italics="true" pageId="147" pageNumber="148">Eoplinthicus</emphasis>
|
||
</taxonomicName>
|
||
was a direct descendant of
|
||
<taxonomicName id="57BE87D4FF16FF3CFC329D1349330D76" authorityName="Cappetta" authorityYear="1976" box="[1012,1144,551,577]" class="Elasmobranchii" family="Mobulidae" genus="Burnhamia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="147" pageNumber="148" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF16FF3CFC329D1349330D76" box="[1012,1144,551,577]" italics="true" pageId="147" pageNumber="148">Burnhamia</emphasis>
|
||
</taxonomicName>
|
||
, but this theory must be further examined in light of the discovery that these taxa were coeval within the Gosport Sand paleoenvironment.
|
||
</paragraph>
|
||
<caption id="C4C1ACDFFF17FF3DFF7B98BE4F9908DC" ID-DOI="http://doi.org/10.5281/zenodo.3660363" ID-Zenodo-Dep="3660363" httpUri="https://zenodo.org/record/3660363/files/figure.png" pageId="146" pageNumber="147" startId="146.[189,232,1930,1956]" targetBox="[202,1388,1392,1880]" targetPageId="146">
|
||
<paragraph id="9001FC57FF17FF3DFF7B98BE4F9908DC" blockId="146.[189,1398,1929,2027]" pageId="146" pageNumber="147">
|
||
<emphasis id="A2CA2045FF17FF3DFF7B98BE4C5C0893" bold="true" box="[189,279,1930,1956]" pageId="146" pageNumber="147">Fig. 54.</emphasis>
|
||
<taxonomicName id="57BE87D4FF17FF3DFEDD98BE4E230893" authority="Cappetta & Stringer, 2002" authorityName="Cappetta & Stringer" authorityYear="2002" box="[283,872,1930,1956]" class="Chondrichthyes" family="Mobulidae" genus="Eoplinthicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="146" pageNumber="147" phylum="Chordata" rank="species" species="yazooensis">
|
||
<emphasis id="A2CA2045FF17FF3DFEDD98BE4F780893" box="[283,563,1930,1956]" italics="true" pageId="146" pageNumber="147">Eoplinthicus yazooensis</emphasis>
|
||
<bibRefCitation id="F42F81A6FF17FF3DFDFE98BE4E230893" author="Cappetta H. & Stringer G. L." box="[568,872,1930,1956]" pageId="146" pageNumber="147" pagination="51 - 56" refId="ref138109" refString="Cappetta H. & Stringer G. L. 2002. A new batoid genus (Neoselachii: Myliobatiformes) from the Yazoo Clay (upper Eocene) of Louisiana, USA. Tertiary Research 21 (104): 51 - 56." type="journal article" year="2002">Cappetta & Stringer, 2002</bibRefCitation>
|
||
</taxonomicName>
|
||
, median tooth.
|
||
<emphasis id="A2CA2045FF17FF3DFBD298BE49000893" bold="true" box="[1044,1099,1930,1956]" pageId="146" pageNumber="147">A–E</emphasis>
|
||
.
|
||
<collectionCode id="F6AF6492FF17FF3DFB9398BE498A0893" box="[1109,1217,1930,1956]" pageId="146" pageNumber="147">ALMNH</collectionCode>
|
||
PV1985.35.65, Gosport Sand.
|
||
<emphasis id="A2CA2045FF17FF3DFEAB98994CC908F0" bold="true" box="[365,386,1965,1991]" pageId="146" pageNumber="147">A</emphasis>
|
||
. Lingual view.
|
||
<emphasis id="A2CA2045FF17FF3DFDFC98994F0508F0" bold="true" box="[570,590,1965,1991]" pageId="146" pageNumber="147">B</emphasis>
|
||
. Labial view.
|
||
<emphasis id="A2CA2045FF17FF3DFD3098994E4008F0" bold="true" box="[758,779,1965,1991]" pageId="146" pageNumber="147">C</emphasis>
|
||
. Oral view.
|
||
<emphasis id="A2CA2045FF17FF3DFC5A98994EFA08F0" bold="true" box="[924,945,1965,1991]" pageId="146" pageNumber="147">D</emphasis>
|
||
. Basal view.
|
||
<emphasis id="A2CA2045FF17FF3DFB969899492F08F0" bold="true" box="[1104,1124,1965,1991]" pageId="146" pageNumber="147">E</emphasis>
|
||
. Profile view. Labial at top in oral and basal views. Scale bar = 1 cm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="9001FC57FF16FF3CFF7B9D844E800C27" blockId="147.[189,1399,687,785]" pageId="147" pageNumber="148">
|
||
A second
|
||
<taxonomicName id="57BE87D4FF16FF3CFEF09D844C810DFD" authorityName="Cappetta & Stringer" authorityYear="2002" box="[310,458,688,714]" class="Chondrichthyes" family="Mobulidae" genus="Eoplinthicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="147" pageNumber="148" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF16FF3CFEF09D844C810DFD" box="[310,458,688,714]" italics="true" pageId="147" pageNumber="148">Eoplinthicus</emphasis>
|
||
</taxonomicName>
|
||
species,
|
||
<taxonomicName id="57BE87D4FF16FF3CFDFD9D844E800DFD" authority="Adnet et al. 2012" authorityName="Adnet" authorityYear="2012" box="[571,971,687,714]" class="Elasmobranchii" family="Carcharhinidae" genus="Carcharhinus" kingdom="Animalia" order="Carcharhiniformes" pageId="147" pageNumber="148" phylum="Chordata" rank="species" species="underwoodi">
|
||
<emphasis id="A2CA2045FF16FF3CFDFD9D844FA10DFD" box="[571,746,688,714]" italics="true" pageId="147" pageNumber="148">E. underwoodi</emphasis>
|
||
<bibRefCitation id="F42F81A6FF16FF3CFD359D9B4E800DFD" author="Adnet S. & Cappetta H. & Guinot G. & Notabartolo Di Sciara G." box="[755,971,687,714]" pageId="147" pageNumber="148" pagination="132 - 159" refId="ref135890" refString="Adnet S., Cappetta H., Guinot G. & Notabartolo Di Sciara G. 2012. Evolutionary history of the devilrays (Chondrichthyes: Myliobatiformes) from fossil and morphological inference. Zoological Journal of the Linnaean Society 166 (1): 132 - 159. https: // doi. org / 10.1111 / j. 1096 - 3642.2012.00844. x" type="journal article" year="2012">
|
||
Adnet
|
||
<emphasis id="A2CA2045FF16FF3CFC839D844EC80DFD" box="[837,899,688,714]" italics="true" pageId="147" pageNumber="148">et al.</emphasis>
|
||
2012
|
||
</bibRefCitation>
|
||
</taxonomicName>
|
||
, has been reported from middle-toupper Eocene strata in Africa. This species differs from
|
||
<taxonomicName id="57BE87D4FF16FF3CFC899DE04EA50DDA" authorityName="Cappetta & Stringer" authorityYear="2002" box="[847,1006,724,749]" class="Chondrichthyes" family="Mobulidae" genus="Eoplinthicus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="147" pageNumber="148" phylum="Chordata" rank="species" species="yazooensis">
|
||
<emphasis id="A2CA2045FF16FF3CFC899DE04EA50DDA" box="[847,1006,724,749]" italics="true" pageId="147" pageNumber="148">E. yazooensis</emphasis>
|
||
</taxonomicName>
|
||
in being smaller in size (with six root lamellae) and by having less developed crown ornamentation.
|
||
</paragraph>
|
||
<paragraph id="9001FC57FF16FF3CFF7B9C0C4E5F0C65" blockId="147.[189,788,824,850]" box="[189,788,824,850]" pageId="147" pageNumber="148">
|
||
<heading id="CB494B3BFF16FF3CFF7B9C0C4E5F0C65" bold="true" box="[189,788,824,850]" fontSize="11" level="3" pageId="147" pageNumber="148" reason="3">
|
||
<emphasis id="A2CA2045FF16FF3CFF7B9C0C4E5F0C65" bold="true" box="[189,788,824,850]" pageId="147" pageNumber="148">
|
||
Stratigraphic and geographic range in
|
||
<collectingRegion id="527A32B5FF16FF3CFD649C0C4E5F0C65" box="[674,788,824,850]" country="United States of America" name="Alabama" pageId="147" pageNumber="148">Alabama</collectingRegion>
|
||
</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="9001FC57FF16FF3CFF7B9C534C860C92" blockId="147.[189,1399,871,933]" pageId="147" pageNumber="148">The lone specimen in our sample was collected from the upper Gosport Sand at site ACh-21. Middle Bartonian, Zone NP17.</paragraph>
|
||
<paragraph id="9001FC57FF16FF3CFD639CD74EC40CCA" blockId="147.[677,911,995,1057]" box="[677,911,995,1021]" pageId="147" pageNumber="148">
|
||
<emphasis id="A2CA2045FF16FF3CFD639CD74E0E0CCA" bold="true" box="[677,837,995,1021]" pageId="147" pageNumber="148">Batomorphii</emphasis>
|
||
indet.
|
||
</paragraph>
|
||
<paragraph id="9001FC57FF16FF3CFD369B324E080B16" blockId="147.[677,911,995,1057]" box="[752,835,1030,1057]" pageId="147" pageNumber="148">
|
||
<figureCitation id="0885E0D2FF16FF3CFD369B324E080B16" box="[752,835,1030,1057]" captionStart="Fig" captionStartId="148.[189,232,1858,1884]" captionTargetBox="[199,1388,796,1798]" captionTargetId="figure@148.[189,1398,786,1818]" captionTargetPageId="148" captionText="Fig. 55. Batomorphii indet., teeth. A–E. MSC 37675.2, basal Lisbon Formation. A. Labial view. B. Lingual view. C. Profile view. D. Oral view. E. Basal view. F–J. MSC 37675.1, basal Lisbon Formation. F. Labial view. G. Lingual view. H. Profile view. I. Oral view. J. Basal view. K–O. SC2012.42.154, basal Lisbon Formation. K. Labial view. L. Lingual view. M. Profile view. N. Oral view. O. Basal view. Labial at top in oral and basal views. Labial at top in oral and basal views. Scale bars = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.3660365" httpUri="https://zenodo.org/record/3660365/files/figure.png" pageId="147" pageNumber="148">Fig. 55</figureCitation>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D8A4AFDCFF16FF3CFF7B9B7C4C300B82" pageId="147" pageNumber="148" type="materials_examined">
|
||
<paragraph id="9001FC57FF16FF3CFF7B9B7C4CE10B55" blockId="147.[189,426,1096,1122]" box="[189,426,1096,1122]" pageId="147" pageNumber="148">
|
||
<heading id="CB494B3BFF16FF3CFF7B9B7C4CE10B55" bold="true" box="[189,426,1096,1122]" fontSize="11" level="3" pageId="147" pageNumber="148" reason="3">
|
||
<emphasis id="A2CA2045FF16FF3CFF7B9B7C4CE10B55" bold="true" box="[189,426,1096,1122]" pageId="147" pageNumber="148">Material examined</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="9001FC57FF16FF3CFF7B9B434C300B82" blockId="147.[189,1398,1143,1205]" pageId="147" pageNumber="148">
|
||
<collectingCountry id="E8A9BCC7FF16FF3CFF7B9B434F1C0BA6" box="[189,599,1143,1169]" name="United States of America" pageId="147" pageNumber="148">UNITED STATES OF AMERICA</collectingCountry>
|
||
–
|
||
<emphasis id="A2CA2045FF16FF3CFDBF9B434FA00BA6" bold="true" box="[633,747,1143,1169]" pageId="147" pageNumber="148">
|
||
<collectingRegion id="527A32B5FF16FF3CFDBF9B434FA00BA6" box="[633,747,1143,1169]" country="United States of America" name="Alabama" pageId="147" pageNumber="148">Alabama</collectingRegion>
|
||
</emphasis>
|
||
• 3 isolated teeth; Claiborne Group;
|
||
<collectionCode id="F6AF6492FF16FF3CFB6D9B4349A20BA6" box="[1195,1257,1143,1169]" pageId="147" pageNumber="148">MSC</collectionCode>
|
||
37675.1–2,
|
||
<collectionCode id="F6AF6492FF16FF3CFF7B9BAE4DAB0B82" box="[189,224,1178,1205]" pageId="147" pageNumber="148">SC</collectionCode>
|
||
2012.47.154.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D8A4AFDCFF16FF3CFF7B9BE84CB40ACE" pageId="147" pageNumber="148" type="description">
|
||
<paragraph id="9001FC57FF16FF3CFF7B9BE84C050BC1" blockId="147.[189,334,1244,1270]" box="[189,334,1244,1270]" pageId="147" pageNumber="148">
|
||
<heading id="CB494B3BFF16FF3CFF7B9BE84C050BC1" bold="true" box="[189,334,1244,1270]" fontSize="11" level="3" pageId="147" pageNumber="148" reason="3">
|
||
<emphasis id="A2CA2045FF16FF3CFF7B9BE84C050BC1" bold="true" box="[189,334,1244,1270]" pageId="147" pageNumber="148">Description</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="9001FC57FF16FF3CFF7B9A3F4CB40ACE" blockId="147.[189,1399,1291,1530]" pageId="147" pageNumber="148">
|
||
Teeth do not exceed
|
||
<quantity id="574651B2FF16FF3CFE689A3F4CB90A12" box="[430,498,1291,1317]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="147" pageNumber="148" unit="mm" value="2.0">2 mm</quantity>
|
||
in crown height. Upper one-half to two-thirds of crown formed into laterally compressed, vertical to slightly lingually curving cusp. Lower one-third to one-half of crown wider, shelf-like laterally and lingually, with labial crown foot developed into small, divergent projections. Labial projections separated by shallow to deep medial embayment. Lingual crown foot straight or with weakly developed medial notch. Crown with trapezoidal to square outline in oral view, but more triangular in profile. Root located at lingual half of crown, bilobate with wide nutritive groove, extends past the lingual crown foot.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D8A4AFDCFF16FF3BFF7B99154CF00DBB" lastPageId="148" lastPageNumber="149" pageId="147" pageNumber="148" type="discussion">
|
||
<paragraph id="9001FC57FF16FF3CFF7B99154C64090C" blockId="147.[189,303,1569,1595]" box="[189,303,1569,1595]" pageId="147" pageNumber="148">
|
||
<heading id="CB494B3BFF16FF3CFF7B99154C64090C" bold="true" box="[189,303,1569,1595]" fontSize="11" level="3" pageId="147" pageNumber="148" reason="3">
|
||
<emphasis id="A2CA2045FF16FF3CFF7B99154C64090C" bold="true" box="[189,303,1569,1595]" pageId="147" pageNumber="148">Remarks</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="9001FC57FF16FF3CFF7B99644C0008B1" blockId="147.[189,1399,1616,1926]" pageId="147" pageNumber="148">
|
||
The crown on these teeth is distinctive for their tall, laterally compressed cusp, conspicuous, diverging basal labial projections and roughly square oral outline. Although similar to teeth of
|
||
<taxonomicName id="57BE87D4FF16FF3CFB499947480E09BA" authorityName="Cappetta" authorityYear="1982" box="[1167,1349,1651,1677]" class="Elasmobranchii" family="Gymnuridae" genus="Jacquhermania" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="147" pageNumber="148" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF16FF3CFB499947480E09BA" box="[1167,1349,1651,1677]" italics="true" pageId="147" pageNumber="148">Jacquhermania</emphasis>
|
||
</taxonomicName>
|
||
and the male teeth of “
|
||
<taxonomicName id="57BE87D4FF16FF3CFE5499AC4CB20986" authorityName="Rafinesque" authorityYear="1810" box="[402,505,1688,1713]" class="Elasmobranchii" family="Dasyatidae" genus="Dasyatis" kingdom="Animalia" order="Myliobatiformes" pageId="147" pageNumber="148" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF16FF3CFE5499AC4CB20986" box="[402,505,1688,1713]" italics="true" pageId="147" pageNumber="148">Dasyatis</emphasis>
|
||
</taxonomicName>
|
||
” described herein, the three teeth in our sample differ significantly in having a laterally compressed cusp that lacks lateral cutting edges. In addition, male teeth of “
|
||
<taxonomicName id="57BE87D4FF16FF3CFB0E998F486409E3" authorityName="Rafinesque" authorityYear="1810" box="[1224,1327,1723,1748]" class="Elasmobranchii" family="Dasyatidae" genus="Dasyatis" kingdom="Animalia" order="Myliobatiformes" pageId="147" pageNumber="148" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF16FF3CFB0E998F486409E3" box="[1224,1327,1723,1748]" italics="true" pageId="147" pageNumber="148">Dasyatis</emphasis>
|
||
</taxonomicName>
|
||
” bear ornamentation of various
|
||
<typeStatus id="4F0542F5FF16FF3CFE3699EA4F6509CF" box="[496,558,1758,1784]" pageId="147" pageNumber="148">types</typeStatus>
|
||
(see above). Although the specimens are morphologically comparable to, and within the size range of, most members of the
|
||
<taxonomicName id="57BE87D4FF16FF3CFC8D98354EA2082C" box="[843,1001,1793,1819]" class="Elasmobranchii" family="Torpedinidae" kingdom="Animalia" order="Torpediniformes" pageId="147" pageNumber="148" phylum="Chordata" rank="family">Torpedinidae</taxonomicName>
|
||
, particularly
|
||
<taxonomicName id="57BE87D4FF16FF3CFB40983549AC082C" box="[1158,1255,1793,1819]" class="Elasmobranchii" family="Torpedinidae" genus="Torpedo" kingdom="Animalia" order="Torpediniformes" pageId="147" pageNumber="148" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF16FF3CFB40983549AC082C" box="[1158,1255,1793,1819]" italics="true" pageId="147" pageNumber="148">Torpedo</emphasis>
|
||
</taxonomicName>
|
||
, the
|
||
<collectingRegion id="527A32B5FF16FF3CFAE39835483D082C" box="[1317,1398,1793,1819]" country="Portugal" name="Lisboa" pageId="147" pageNumber="148">Lisbon</collectingRegion>
|
||
specimens differ from all Recent and fossil
|
||
<taxonomicName id="57BE87D4FF16FF3CFD2698114E360808" box="[736,893,1829,1855]" class="Elasmobranchii" family="Torpedinidae" kingdom="Animalia" order="Torpediniformes" pageId="147" pageNumber="148" phylum="Chordata" rank="family">Torpedinidae</taxonomicName>
|
||
, except
|
||
<taxonomicName id="57BE87D4FF16FF3CFC21981149280808" authorityName="White" authorityYear="1935" box="[999,1123,1829,1855]" class="Elasmobranchii" family="Torpedinidae" genus="Eotorpedo" higherTaxonomySource="GBIF" kingdom="Animalia" order="Torpediniformes" pageId="147" pageNumber="148" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF16FF3CFC21981149280808" box="[999,1123,1829,1855]" italics="true" pageId="147" pageNumber="148">Eotorpedo</emphasis>
|
||
</taxonomicName>
|
||
, in lacking distinctive lateral cutting edges extending from the cusp apex to nearly the crown base (Cappetta 1988;
|
||
<bibRefCitation id="F42F81A6FF16FF3CFADE987D4C7408B1" author="Herman J. & Hovestadt-Euler M. & Hovestadt D. C. & Stehmann M." pageId="147" pageNumber="148" pagination="5 - 45" refId="ref143263" refString="Herman J., Hovestadt-Euler M., Hovestadt D. C. & Stehmann M. 2002. Contributions to the study of the comparative morphology of teeth and other relevant ichthyodorulites in living supraspecific taxa of chondrichthyan fishes. Part B: Batomorphii. No. 4: Order Torpediniformes - Family Narcinidae - Subfamily Narcininae - Genera: Benthobatis, Diplobatis, Discopyge and Narcine, Subfamily Narkinae - Genera: Bengalichthys, Crassinarke, Heteronarce, Narke, Temera, and Typhlonarke, Family Torpedinidae - Subfamily Torpedininae - Genus: Torpedo - Subfamily T. (Tetronarke) and T. (Torpedo) and Subfamily Hypninae - Genus: Hypnos. Bulletin de l'Institut royal des Sciences naturelles de Belgique, Biologie 72: 5 - 45." type="journal article" year="2002">
|
||
Herman
|
||
<emphasis id="A2CA2045FF16FF3CFF7B98584DB308B1" box="[189,248,1900,1926]" italics="true" pageId="147" pageNumber="148">et al.</emphasis>
|
||
2002
|
||
</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="9001FC57FF16FF3BFF7B98994E680ECF" blockId="147.[189,1398,1965,2027]" lastBlockId="148.[189,1399,267,505]" lastPageId="148" lastPageNumber="149" pageId="147" pageNumber="148">
|
||
<taxonomicName id="57BE87D4FF16FF3CFF7B98994C9E08FF" authority="White, 1935" authorityName="White" authorityYear="1935" box="[189,469,1965,1992]" class="Elasmobranchii" family="Torpedinidae" genus="Eotorpedo" higherTaxonomySource="GBIF" kingdom="Animalia" order="Torpediniformes" pageId="147" pageNumber="148" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF16FF3CFF7B98994C7208F0" box="[189,313,1965,1991]" italics="true" pageId="147" pageNumber="148">Eotorpedo</emphasis>
|
||
White, 1935
|
||
</taxonomicName>
|
||
can have a cusp similar to the
|
||
<collectingRegion id="527A32B5FF16FF3CFC9698994EEA08F0" box="[848,929,1965,1991]" country="Portugal" name="Lisboa" pageId="147" pageNumber="148">Lisbon</collectingRegion>
|
||
specimens described above, as well as labial projections separated by a deep embayment and a notch at the lingual crown foot. A significant difference between the
|
||
<collectingRegion id="527A32B5FF11FF3BFE1F9E3F4F610E12" box="[473,554,267,293]" country="Portugal" name="Lisboa" pageId="148" pageNumber="149">Lisbon</collectingRegion>
|
||
specimens and these two species of
|
||
<taxonomicName id="57BE87D4FF11FF3BFC369E3F49270E12" authorityName="White" authorityYear="1935" box="[1008,1132,267,293]" class="Elasmobranchii" family="Torpedinidae" genus="Eotorpedo" higherTaxonomySource="GBIF" kingdom="Animalia" order="Torpediniformes" pageId="148" pageNumber="149" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF11FF3BFC369E3F49270E12" box="[1008,1132,267,293]" italics="true" pageId="148" pageNumber="149">Eotorpedo</emphasis>
|
||
</taxonomicName>
|
||
is the lack of a basal transverse crest on the
|
||
<collectingRegion id="527A32B5FF11FF3BFE169E1A4F710E7F" box="[464,570,302,328]" country="United States of America" name="Alabama" pageId="148" pageNumber="149">Alabama</collectingRegion>
|
||
teeth. Some specimens identified as
|
||
<taxonomicName id="57BE87D4FF11FF3BFC309E1B49390E7E" authorityName="White" authorityYear="1935" box="[1014,1138,303,329]" class="Elasmobranchii" family="Torpedinidae" genus="Eotorpedo" higherTaxonomySource="GBIF" kingdom="Animalia" order="Torpediniformes" pageId="148" pageNumber="149" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF11FF3BFC309E1B49390E7E" box="[1014,1138,303,329]" italics="true" pageId="148" pageNumber="149">Eotorpedo</emphasis>
|
||
</taxonomicName>
|
||
, including
|
||
<taxonomicName id="57BE87D4FF11FF3BFB3D9E1B4CD50E5B" authority="Herman, 1974" authorityName="Herman" authorityYear="1974" class="Elasmobranchii" family="Torpedinidae" genus="Eotorpedo" higherTaxonomySource="GBIF" kingdom="Animalia" order="Torpediniformes" pageId="148" pageNumber="149" phylum="Chordata" rank="species" species="nolfi">
|
||
<emphasis id="A2CA2045FF11FF3BFB3D9E1B4DBA0E5B" italics="true" pageId="148" pageNumber="149">Eotorpedo nolfi</emphasis>
|
||
<bibRefCitation id="F42F81A6FF11FF3BFF319E664CD50E5B" author="Herman J." box="[247,414,338,364]" pageId="148" pageNumber="149" pagination="33 - 34" refId="ref142935" refString="Herman J. 1974. Complements palaeoichthyologiques a la faune eocene de la Belgique. 2. Presence du genre Eotorpedo White, E. I., 1935 dans les Sables de Forest (Ypresien superieur belge). Bulletin de la Societe belge de Geologie 83 (1): 33 - 34." type="journal article" year="1974">Herman, 1974</bibRefCitation>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="F42F81A6FF11FF3BFE6A9E664F1A0E5B" author="Herman J." box="[428,593,338,364]" pageId="148" pageNumber="149" pagination="33 - 34" refId="ref142935" refString="Herman J. 1974. Complements palaeoichthyologiques a la faune eocene de la Belgique. 2. Presence du genre Eotorpedo White, E. I., 1935 dans les Sables de Forest (Ypresien superieur belge). Bulletin de la Societe belge de Geologie 83 (1): 33 - 34." type="journal article" year="1974">Herman 1974</bibRefCitation>
|
||
: fig. 1, a-c) and
|
||
<taxonomicName id="57BE87D4FF11FF3BFCC19E6649390E5B" authority="(Case, 1994)" baseAuthorityName="Case" baseAuthorityYear="1994" box="[775,1138,338,364]" class="Elasmobranchii" family="Torpedinidae" genus="Eotorpedo" higherTaxonomySource="GBIF" kingdom="Animalia" order="Torpediniformes" pageId="148" pageNumber="149" phylum="Chordata" rank="species" species="jaekeli">
|
||
<emphasis id="A2CA2045FF11FF3BFCC19E664E9C0E5B" box="[775,983,338,364]" italics="true" pageId="148" pageNumber="149">Eotorpedo jaekeli</emphasis>
|
||
(Case, 1994)
|
||
</taxonomicName>
|
||
(see
|
||
<bibRefCitation id="F42F81A6FF11FF3BFB6B9E66487D0E5B" author="Case G. R." box="[1197,1334,338,364]" pageId="148" pageNumber="149" pagination="97 - 138" refId="ref138502" refString="Case G. R. 1994 a. Fossil fish remains from the late Paleocene Tuscahoma and early Eocene Bashi formations of Meridian, Lauderdale County, Mississippi. Part I - Selachians. Palaeontographica Abteilung A 230 (4 - 6): 97 - 138." type="journal article" year="1994">Case 1994a</bibRefCitation>
|
||
) may in fact be
|
||
<taxonomicName id="57BE87D4FF11FF3BFEF19E414CA60EB8" authorityName="Cappetta" authorityYear="1982" box="[311,493,373,399]" class="Elasmobranchii" family="Gymnuridae" genus="Jacquhermania" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="148" pageNumber="149" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF11FF3BFEF19E414CA60EB8" box="[311,493,373,399]" italics="true" pageId="148" pageNumber="149">Jacquhermania</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="F42F81A6FF11FF3BFE399E414FFA0EB8" author="Cappetta H." box="[511,689,373,399]" pageId="148" pageNumber="149" refId="ref137948" refString="Cappetta H. 2012. Chondrichthyes (Mesozoic and Cenozoic Elasmobranchii, Teeth). Handbook of Palaeoichthyology. Verlag Friedrich Pfeil, Munchen." type="book" year="2012">Cappetta 2012</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="F42F81A6FF11FF3BFD799E414E980EA7" author="Cappetta H. & Case G. R." box="[703,979,373,400]" pageId="148" pageNumber="149" pagination="43 - 103" refId="ref137973" refString="Cappetta H. & Case G. R. 2016. A selachian fauna from the middle Eocene (Lutetian, Lisbon Formation) of Andalusia, Covington County, Alabama, USA. Palaeontographica Abteilung A 307 (1 - 6): 43 - 103." type="journal article" year="2016">Cappetta & Case 2016</bibRefCitation>
|
||
). It is possible that the Claibornian specimens described above represent juvenile teeth of
|
||
<taxonomicName id="57BE87D4FF11FF3BFCA19EAC49560E85" authorityName="Cappetta" authorityYear="1982" box="[871,1053,408,434]" class="Elasmobranchii" family="Gymnuridae" genus="Jacquhermania" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="148" pageNumber="149" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF11FF3BFCA19EAC49560E85" box="[871,1053,408,434]" italics="true" pageId="148" pageNumber="149">Jacquhermania</emphasis>
|
||
</taxonomicName>
|
||
, but to our knowledge this morphology has not previously been attributed to this genus. Additional, more complete, specimens are needed to more accurately identify this morphology.
|
||
</paragraph>
|
||
<paragraph id="9001FC57FF11FF3BFF7B9D144E5F0D0D" blockId="148.[189,788,544,570]" box="[189,788,544,570]" pageId="148" pageNumber="149">
|
||
<heading id="CB494B3BFF11FF3BFF7B9D144E5F0D0D" bold="true" box="[189,788,544,570]" fontSize="11" level="3" pageId="148" pageNumber="149" reason="3">
|
||
<emphasis id="A2CA2045FF11FF3BFF7B9D144E5F0D0D" bold="true" box="[189,788,544,570]" pageId="148" pageNumber="149">
|
||
Stratigraphic and geographic range in
|
||
<collectingRegion id="527A32B5FF11FF3BFD649D144E5F0D0D" box="[674,788,544,570]" country="United States of America" name="Alabama" pageId="148" pageNumber="149">Alabama</collectingRegion>
|
||
</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="9001FC57FF11FF3BFF7B9D7A4CF00DBB" blockId="148.[189,1399,590,652]" pageId="148" pageNumber="149">
|
||
The specimens in our sample were collected from the basal
|
||
<collectingRegion id="527A32B5FF11FF3BFC439D7A4E9D0D5F" box="[901,982,590,616]" country="Portugal" name="Lisboa" pageId="148" pageNumber="149">Lisbon</collectingRegion>
|
||
Formation at site ACov-11. Lower Lutetian, Zone NP15.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |