286 lines
28 KiB
XML
286 lines
28 KiB
XML
<document id="16858E2577B47B7C60E14B4CFCBD9F9D" 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="18174D41FF05FF2EFD7D9EF04C4C0EAA" 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="Myliobatis sp. 1 Cuvier 1816" docType="treatment" docVersion="18" lastPageNumber="130" 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="129" 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="E24ED8EC6D9D8A47C7093D9D4E9BF2DF">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:name id="76049C8CD1EF89179BB79D6B4FC3F2D2" type="personal">
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<mods:namePart id="BD0582B129AF02F994F7D2BBFDAC3D07">Ebersole, Jun A.</mods:namePart>
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<mods:namePart id="4087B23E2A973829923B594517A2AE60">Cicimurri, David J.</mods:namePart>
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<mods:namePart id="A6225000D59DEAD9767AAF72D20D77AB">Stringer, Gary L.</mods:namePart>
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<mods:title id="AC70DCAAE3E097532A9FDAAED26F5E58">European Journal of Taxonomy</mods:title>
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<mods:part id="6985FD26887DDCABF64F8C63A71FDEB5">
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<mods:date id="2C279AEA14AB28912D94E85B40225DFA">2019</mods:date>
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<treatment id="18174D41FF05FF2EFD7D9EF04C4C0EAA" ID-DOI="http://doi.org/10.5281/zenodo.3664252" ID-GBIF-Taxon="162073150" ID-Zenodo-Dep="3664252" LSID="urn:lsid:plazi:treatment:18174D41FF05FF2EFD7D9EF04C4C0EAA" httpUri="http://treatment.plazi.org/id/18174D41FF05FF2EFD7D9EF04C4C0EAA" lastPageId="129" lastPageNumber="130" pageId="128" pageNumber="129">
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<subSubSection id="D8A4AFDCFF05FF2FFD7D9EF04E320EE9" box="[699,889,452,479]" pageId="128" pageNumber="129" type="nomenclature">
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<paragraph id="9001FC57FF05FF2FFD7D9EF04E320EE9" blockId="128.[699,889,452,516]" box="[699,889,452,479]" pageId="128" pageNumber="129">
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<heading id="CB494B3BFF05FF2FFD7D9EF04E320EE9" box="[699,889,452,479]" centered="true" fontSize="11" level="2" pageId="128" pageNumber="129" reason="2">
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<taxonomicName id="57BE87D4FF05FF2FFD7D9EF04E320EE9" authorityName="Cuvier" authorityYear="1816" box="[699,889,452,479]" class="Elasmobranchii" family="Myliobatidae" genus="Myliobatis" kingdom="Animalia" order="Myliobatiformes" pageId="128" pageNumber="129" phylum="Chordata" rank="species" species="sp. 1">
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<emphasis id="A2CA2045FF05FF2FFD7D9EF04E710EE8" bold="true" box="[699,826,452,479]" italics="true" pageId="128" pageNumber="129">Myliobatis</emphasis>
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sp. 1
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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="D8A4AFDCFF05FF2FFD1F9EDE4E100D33" box="[729,859,490,516]" pageId="128" pageNumber="129" type="description">
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<paragraph id="9001FC57FF05FF2FFD1F9EDE4E100D33" blockId="128.[699,889,452,516]" box="[729,859,490,516]" pageId="128" pageNumber="129">
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<figureCitation id="0885E0D2FF05FF2FFD1F9EDE4E600D33" box="[729,811,490,516]" captionStart="Fig" captionStartId="130.[189,232,1789,1815]" captionTargetBox="[203,1381,747,1733]" captionTargetId="figure@130.[189,1398,732,1754]" captionTargetPageId="130" captionText="Fig. 47. Myliobatis Cuvier, 1816, teeth. A–J. Myliobatis sp. 1. A–E. MSC 38937, median tooth, lower Tallahatta Formation. A. Oral view. B. Basal view. C. Lingual view. D. Labial view. E. Profile view. F–J. MSC 33293, median tooth, lower Tallahatta Formation. F. Oral view. G. Basal view. H. Lingual view. I. Labial view. J. Profile view. — K–T. Myliobatis sp. 2. K–O. MSC 38640, median tooth, Gosport Sand. K. Oral view. L. Basal view. M. Lingual view. N. Labial view. O. Profile view. P–T. MSC 38849.1, lateral tooth, basal Gosport Sand. P. Oral view. Q. Basal view. R. Labial view. S. Lingual view. T. Profile view. Labial at top in oral and basal views. Scale bars: A–O =5 mm; P–T=2 mm." figureDoi="http://doi.org/10.5281/zenodo.3660351" httpUri="https://zenodo.org/record/3660351/files/figure.png" pageId="128" pageNumber="129">Fig. 47</figureCitation>
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A–J
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||
</paragraph>
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||
</subSubSection>
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<subSubSection id="D8A4AFDCFF05FF2FFF7B9D1A4EA30CB6" pageId="128" pageNumber="129" type="materials_examined">
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<paragraph id="9001FC57FF05FF2FFF7B9D1A4CE10D7F" blockId="128.[189,426,558,584]" box="[189,426,558,584]" pageId="128" pageNumber="129">
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<heading id="CB494B3BFF05FF2FFF7B9D1A4CE10D7F" bold="true" box="[189,426,558,584]" fontSize="11" level="3" pageId="128" pageNumber="129" reason="3">
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<emphasis id="A2CA2045FF05FF2FFF7B9D1A4CE10D7F" bold="true" box="[189,426,558,584]" pageId="128" pageNumber="129">Material examined</emphasis>
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</heading>
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</paragraph>
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<paragraph id="9001FC57FF05FF2FFF7B9D6B4EA30CB6" blockId="128.[189,1399,607,897]" pageId="128" pageNumber="129">
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<materialsCitation id="20D6F60AFF05FF2FFF7B9D6B4EAF0CB6" ID-GBIF-Occurrence="2564277965" collectionCode="MSC" country="United States of America" location="Claiborne Group" pageId="128" pageNumber="129" specimenCount="280" stateProvince="Alabama">
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<collectingCountry id="E8A9BCC7FF05FF2FFF7B9D6B4F070D4E" box="[189,588,607,633]" name="United States of America" pageId="128" pageNumber="129">UNITED STATES OF AMERICA</collectingCountry>
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–
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<emphasis id="A2CA2045FF05FF2FFDA19D6B4F920D4E" bold="true" box="[615,729,607,633]" pageId="128" pageNumber="129">
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<collectingRegion id="527A32B5FF05FF2FFDA19D6B4F920D4E" box="[615,729,607,633]" country="United States of America" name="Alabama" pageId="128" pageNumber="129">Alabama</collectingRegion>
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</emphasis>
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• 312 isolated teeth;
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<location id="9561AA8CFF05FF2FFC0C9D6B49D80D4E" LSID="urn:lsid:plazi:treatment:18174D41FF05FF2EFD7D9EF04C4C0EAA:9561AA8CFF05FF2FFC0C9D6B49D80D4E" box="[970,1171,607,633]" country="United States of America" name="Claiborne Group" pageId="128" pageNumber="129" stateProvince="Alabama">Claiborne Group</location>
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;
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<collectionCode id="F6AF6492FF05FF2FFB589D6B49970D4E" box="[1182,1244,607,633]" pageId="128" pageNumber="129">MSC</collectionCode>
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33262,
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<collectionCode id="F6AF6492FF05FF2FFAFE9D6B483D0D4E" box="[1336,1398,607,633]" pageId="128" pageNumber="129">MSC</collectionCode>
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33293,
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<collectionCode id="F6AF6492FF05FF2FFED19DB14C1E0DA8" box="[279,341,645,671]" pageId="128" pageNumber="129">MSC</collectionCode>
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33294,
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<collectionCode id="F6AF6492FF05FF2FFE7E9DB14CBD0DA8" box="[440,502,645,671]" pageId="128" pageNumber="129">MSC</collectionCode>
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33317,
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||
<collectionCode id="F6AF6492FF05FF2FFD9F9DB14FDC0DA8" box="[601,663,645,671]" pageId="128" pageNumber="129">MSC</collectionCode>
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33319,
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||
<collectionCode id="F6AF6492FF05FF2FFD3D9DB14E720DA8" box="[763,825,645,671]" pageId="128" pageNumber="129">MSC</collectionCode>
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33332,
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<collectionCode id="F6AF6492FF05FF2FFC5A9DB14E910DA8" box="[924,986,645,671]" pageId="128" pageNumber="129">MSC</collectionCode>
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33344,
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<collectionCode id="F6AF6492FF05FF2FFBFB9DB149300DA8" box="[1085,1147,645,671]" pageId="128" pageNumber="129">MSC</collectionCode>
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||
33345,
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||
<collectionCode id="F6AF6492FF05FF2FFB189DB148570DA8" box="[1246,1308,645,671]" pageId="128" pageNumber="129">MSC</collectionCode>
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||
33347,
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||
<collectionCode id="F6AF6492FF05FF2FFF7B9D9E4DB00DF3" box="[189,251,682,708]" pageId="128" pageNumber="129">MSC</collectionCode>
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33350,
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<collectionCode id="F6AF6492FF05FF2FFE999D9E4CD60DF3" box="[351,413,682,708]" pageId="128" pageNumber="129">MSC</collectionCode>
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33351,
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<collectionCode id="F6AF6492FF05FF2FFDC79D9E4F740DF3" box="[513,575,682,708]" pageId="128" pageNumber="129">MSC</collectionCode>
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33362 (
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||
<specimenCount id="86B837DEFF05FF2FFD629D9E4E760DF2" box="[676,829,682,709]" pageId="128" pageNumber="129" type="generic">2 specimens</specimenCount>
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),
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||
<collectionCode id="F6AF6492FF05FF2FFC959D9E4EDA0DF3" box="[851,913,682,708]" pageId="128" pageNumber="129">MSC</collectionCode>
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||
33363,
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||
<collectionCode id="F6AF6492FF05FF2FFC339D9E49780DF3" box="[1013,1075,682,708]" pageId="128" pageNumber="129">MSC</collectionCode>
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||
33366,
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||
<collectionCode id="F6AF6492FF05FF2FFB509D9E499F0DF3" box="[1174,1236,682,708]" pageId="128" pageNumber="129">MSC</collectionCode>
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||
33394,
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||
<collectionCode id="F6AF6492FF05FF2FFAFE9D9E483D0DF3" box="[1336,1398,682,708]" pageId="128" pageNumber="129">MSC</collectionCode>
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||
33396,
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||
<collectionCode id="F6AF6492FF05FF2FFED19DE44C1E0DDD" box="[279,341,720,746]" pageId="128" pageNumber="129">MSC</collectionCode>
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||
33402,
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||
<collectionCode id="F6AF6492FF05FF2FFE7E9DE44CBD0DDD" box="[440,502,720,746]" pageId="128" pageNumber="129">MSC</collectionCode>
|
||
33420,
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||
<collectionCode id="F6AF6492FF05FF2FFD9F9DE44FDC0DDD" box="[601,663,720,746]" pageId="128" pageNumber="129">MSC</collectionCode>
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||
33471,
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<collectionCode id="F6AF6492FF05FF2FFD3D9DE44E720DDD" box="[763,825,720,746]" pageId="128" pageNumber="129">MSC</collectionCode>
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33496,
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||
<collectionCode id="F6AF6492FF05FF2FFC5A9DE44E910DDD" box="[924,986,720,746]" pageId="128" pageNumber="129">MSC</collectionCode>
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33529,
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||
<collectionCode id="F6AF6492FF05FF2FFBFB9DE449300DDD" box="[1085,1147,720,746]" pageId="128" pageNumber="129">MSC</collectionCode>
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||
33536,
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||
<collectionCode id="F6AF6492FF05FF2FFB189DE448570DDD" box="[1246,1308,720,746]" pageId="128" pageNumber="129">MSC</collectionCode>
|
||
33573,
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||
<collectionCode id="F6AF6492FF05FF2FFF7B9DC14DB00C38" box="[189,251,757,783]" pageId="128" pageNumber="129">MSC</collectionCode>
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||
33655,
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||
<collectionCode id="F6AF6492FF05FF2FFEA79DC14CD40C38" box="[353,415,757,783]" pageId="128" pageNumber="129">MSC</collectionCode>
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33672,
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||
<collectionCode id="F6AF6492FF05FF2FFDC39DC14F080C38" box="[517,579,757,783]" pageId="128" pageNumber="129">MSC</collectionCode>
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||
33677,
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<collectionCode id="F6AF6492FF05FF2FFD6F9DC14FAC0C38" box="[681,743,757,783]" pageId="128" pageNumber="129">MSC</collectionCode>
|
||
33865,
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||
<collectionCode id="F6AF6492FF05FF2FFC8B9DC14EC00C38" box="[845,907,757,783]" pageId="128" pageNumber="129">MSC</collectionCode>
|
||
33878,
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||
<collectionCode id="F6AF6492FF05FF2FFC379DC149640C38" box="[1009,1071,757,783]" pageId="128" pageNumber="129">MSC</collectionCode>
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||
33883,
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||
<collectionCode id="F6AF6492FF05FF2FFB529DC149990C38" box="[1172,1234,757,783]" pageId="128" pageNumber="129">MSC</collectionCode>
|
||
33904,
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||
<collectionCode id="F6AF6492FF05FF2FFAFE9DC1483D0C38" box="[1336,1398,757,783]" pageId="128" pageNumber="129">MSC</collectionCode>
|
||
33913,
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||
<collectionCode id="F6AF6492FF05FF2FFED39C2F4C180C02" box="[277,339,795,821]" pageId="128" pageNumber="129">MSC</collectionCode>
|
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33915,
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<collectionCode id="F6AF6492FF05FF2FFE749C2F4CBB0C02" box="[434,496,795,821]" pageId="128" pageNumber="129">MSC</collectionCode>
|
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33925,
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<collectionCode id="F6AF6492FF05FF2FFD969C2F4FC50C02" box="[592,654,795,821]" pageId="128" pageNumber="129">MSC</collectionCode>
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33928,
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||
<collectionCode id="F6AF6492FF05FF2FFD2B9C2F4E600C02" box="[749,811,795,821]" pageId="128" pageNumber="129">MSC</collectionCode>
|
||
35747 (
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||
<specimenCount id="86B837DEFF05FF2FFC4A9C2F49690C01" box="[908,1058,795,822]" pageId="128" pageNumber="129" type="generic">6 specimens</specimenCount>
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||
),
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||
<collectionCode id="F6AF6492FF05FF2FFBF39C2F49380C02" box="[1077,1139,795,821]" pageId="128" pageNumber="129">MSC</collectionCode>
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||
35748 (
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||
<specimenCount id="86B837DEFF05FF2FFB129C2F48210C01" box="[1236,1386,795,822]" pageId="128" pageNumber="129" type="generic">4 specimens</specimenCount>
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||
),
|
||
<collectionCode id="F6AF6492FF05FF2FFF7B9C754DB00C6C" box="[189,251,833,859]" pageId="128" pageNumber="129">MSC</collectionCode>
|
||
35751 (
|
||
<specimenCount id="86B837DEFF05FF2FFE9B9C754CB80C6B" box="[349,499,833,860]" pageId="128" pageNumber="129" type="generic">3 specimens</specimenCount>
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),
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||
<collectionCode id="F6AF6492FF05FF2FFDC19C754F0E0C6C" box="[519,581,833,859]" pageId="128" pageNumber="129">MSC</collectionCode>
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||
38881 (
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||
<specimenCount id="86B837DEFF05FF2FFD609C754E110C6B" box="[678,858,833,860]" pageId="128" pageNumber="129" type="generic">222 specimens</specimenCount>
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||
),
|
||
<collectionCode id="F6AF6492FF05FF2FFCA89C754EE70C6C" box="[878,940,833,859]" pageId="128" pageNumber="129">MSC</collectionCode>
|
||
38937 (
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||
<specimenCount id="86B837DEFF05FF2FFBC89C7549EE0C6B" box="[1038,1189,833,860]" pageId="128" pageNumber="129" type="generic">7 specimens</specimenCount>
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||
),
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||
<collectionCode id="F6AF6492FF05FF2FFB7F9C7549BC0C6C" box="[1209,1271,833,859]" pageId="128" pageNumber="129">MSC</collectionCode>
|
||
38938 (
|
||
<specimenCount id="86B837DEFF05FF2FFA9F9C744C770CB6" pageId="128" pageNumber="129" type="generic">15 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF05FF2FFE969C524CC50CB7" box="[336,398,870,896]" pageId="128" pageNumber="129">MSC</collectionCode>
|
||
38940 (
|
||
<specimenCount id="86B837DEFF05FF2FFE299C524FD80CB6" box="[495,659,870,897]" pageId="128" pageNumber="129" type="generic">16 specimens</specimenCount>
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||
),
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||
<collectionCode id="F6AF6492FF05FF2FFD619C524FAE0CB7" box="[679,741,870,896]" pageId="128" pageNumber="129">MSC</collectionCode>
|
||
38941 (
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||
<specimenCount id="86B837DEFF05FF2FFC809C524E970CB6" box="[838,988,870,897]" pageId="128" pageNumber="129" type="generic">5 specimens</specimenCount>
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||
)
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||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D8A4AFDCFF05FF2FFF7B9C9E4F960A15" pageId="128" pageNumber="129" type="description">
|
||
<paragraph id="9001FC57FF05FF2FFF7B9C9E4C050CF3" blockId="128.[189,334,938,964]" box="[189,334,938,964]" pageId="128" pageNumber="129">
|
||
<heading id="CB494B3BFF05FF2FFF7B9C9E4C050CF3" bold="true" box="[189,334,938,964]" fontSize="11" level="3" pageId="128" pageNumber="129" reason="3">
|
||
<emphasis id="A2CA2045FF05FF2FFF7B9C9E4C050CF3" bold="true" box="[189,334,938,964]" pageId="128" pageNumber="129">Description</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="9001FC57FF05FF2FFF7B9CEF4F960A15" blockId="128.[189,1399,987,1315]" pageId="128" pageNumber="129">Median teeth wider than long, thick-crowned, six-sided with sharp lateral angles. Labial face weakly concave, slightly lingually inclined, has sharp and labially protruding crown foot. Lingual face weakly convex, slightly lingually inclined, has narrow and angular furrow located immediately above a rounded transverse ridge at crown foot. Labial face bears large and widely spaced vertical ridges that become weaker apically. Secondary ornament of fine anastomosing vertical ridges between large ones. Lingual face similarly ornamented, but more strongly than the labial face. The root is polyaulocorhize, labial face basiolingually directed, lingual margin extends beyond the crown foot. Lateral teeth six-sided and may be symmetrical (1:1 width/length ratio) or wider than long (2:1 ratio). Ornament and root morphology consistent with that observed on median teeth.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D8A4AFDCFF05FF2EFF7B9A794C4C0EAA" lastPageId="129" lastPageNumber="130" pageId="128" pageNumber="129" type="discussion">
|
||
<paragraph id="9001FC57FF05FF2FFF7B9A794C640A50" blockId="128.[189,303,1357,1383]" box="[189,303,1357,1383]" pageId="128" pageNumber="129">
|
||
<heading id="CB494B3BFF05FF2FFF7B9A794C640A50" bold="true" box="[189,303,1357,1383]" fontSize="11" level="3" pageId="128" pageNumber="129" reason="3">
|
||
<emphasis id="A2CA2045FF05FF2FFF7B9A794C640A50" bold="true" box="[189,303,1357,1383]" pageId="128" pageNumber="129">Remarks</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="9001FC57FF05FF2FFF7B9A494F860801" blockId="128.[189,1399,1405,1846]" pageId="128" pageNumber="129">
|
||
Teeth of
|
||
<taxonomicName id="57BE87D4FF05FF2FFEE89A494CE00AA0" authorityName="Cuvier" authorityYear="1816" box="[302,427,1405,1431]" class="Elasmobranchii" family="Myliobatidae" genus="Myliobatis" kingdom="Animalia" order="Myliobatiformes" pageId="128" pageNumber="129" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF05FF2FFEE89A494CE00AA0" box="[302,427,1405,1431]" italics="true" pageId="128" pageNumber="129">Myliobatis</emphasis>
|
||
</taxonomicName>
|
||
sp. 1 occur within the Tallahatta Formation along with several other members of the
|
||
<taxonomicName id="57BE87D4FF05FF2FFEC99A974CE50A8A" authorityName="Bonaparte" authorityYear="1835" box="[271,430,1443,1469]" class="Elasmobranchii" family="Myliobatidae" kingdom="Animalia" order="Myliobatiformes" pageId="128" pageNumber="129" phylum="Chordata" rank="subFamily" subFamily="Myliobatinae">Myliobatinae</taxonomicName>
|
||
, including
|
||
<taxonomicName id="57BE87D4FF05FF2FFDFE9A974FB90A8A" authorityName="Cappetta" authorityYear="1986" box="[568,754,1443,1469]" class="Elasmobranchii" family="Myliobatidae" genus="Pseudaetobatus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="128" pageNumber="129" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF05FF2FFDFE9A974FB90A8A" box="[568,754,1443,1469]" italics="true" pageId="128" pageNumber="129">Pseudaetobatus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="57BE87D4FF05FF2FFCC29A974ED10A8A" authorityName="Garman" authorityYear="1908" box="[772,922,1443,1469]" class="Elasmobranchii" family="Myliobatidae" genus="Aetomylaeus" kingdom="Animalia" order="Myliobatiformes" pageId="128" pageNumber="129" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF05FF2FFCC29A974ED10A8A" box="[772,922,1443,1469]" italics="true" pageId="128" pageNumber="129">Aetomylaeus</emphasis>
|
||
</taxonomicName>
|
||
, and
|
||
<taxonomicName id="57BE87D4FF05FF2FFC249A9749170A8A" authorityName="Cappetta" authorityYear="1986" box="[994,1116,1443,1469]" class="Elasmobranchii" family="Myliobatidae" genus="Leidybatis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="128" pageNumber="129" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF05FF2FFC249A9749170A8A" box="[994,1116,1443,1469]" italics="true" pageId="128" pageNumber="129">Leidybatis</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<taxonomicName id="57BE87D4FF05FF2FFBA99A9749A70A8A" authorityName="Cuvier" authorityYear="1816" box="[1135,1260,1443,1469]" class="Elasmobranchii" family="Myliobatidae" genus="Myliobatis" kingdom="Animalia" order="Myliobatiformes" pageId="128" pageNumber="129" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF05FF2FFBA99A9749A70A8A" box="[1135,1260,1443,1469]" italics="true" pageId="128" pageNumber="129">Myliobatis</emphasis>
|
||
</taxonomicName>
|
||
sp. 1 teeth have inclined, concave/convex labial and lingual faces, as opposed to being vertical and straight on
|
||
<taxonomicName id="57BE87D4FF05FF2FFF7B9ADA4C3C093F" authorityName="Cappetta" authorityYear="1986" box="[189,375,1518,1544]" class="Elasmobranchii" family="Myliobatidae" genus="Pseudaetobatus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="128" pageNumber="129" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF05FF2FFF7B9ADA4C3C093F" box="[189,375,1518,1544]" italics="true" pageId="128" pageNumber="129">Pseudaetobatus</emphasis>
|
||
</taxonomicName>
|
||
, and the labial and lingual ridging is coarser than on
|
||
<taxonomicName id="57BE87D4FF05FF2FFBD49ADA4987093F" authorityName="Cappetta" authorityYear="1986" box="[1042,1228,1518,1544]" class="Elasmobranchii" family="Myliobatidae" genus="Pseudaetobatus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="128" pageNumber="129" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF05FF2FFBD49ADA4987093F" box="[1042,1228,1518,1544]" italics="true" pageId="128" pageNumber="129">Pseudaetobatus</emphasis>
|
||
</taxonomicName>
|
||
. The occlusal surface of
|
||
<taxonomicName id="57BE87D4FF05FF2FFEF199204CFF0919" authorityName="Cuvier" authorityYear="1816" box="[311,436,1556,1582]" class="Elasmobranchii" family="Myliobatidae" genus="Myliobatis" kingdom="Animalia" order="Myliobatiformes" pageId="128" pageNumber="129" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF05FF2FFEF199204CFF0919" box="[311,436,1556,1582]" italics="true" pageId="128" pageNumber="129">Myliobatis</emphasis>
|
||
</taxonomicName>
|
||
sp. 1 lacks the tuberculated enameloid covering of
|
||
<taxonomicName id="57BE87D4FF05FF2FFBC1992049CA0919" authorityName="Cappetta" authorityYear="1986" box="[1031,1153,1556,1582]" class="Elasmobranchii" family="Myliobatidae" genus="Leidybatis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="128" pageNumber="129" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF05FF2FFBC1992049CA0919" box="[1031,1153,1556,1582]" italics="true" pageId="128" pageNumber="129">Leidybatis</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<taxonomicName id="57BE87D4FF05FF2FFB489920486F0919" authorityName="Garman" authorityYear="1908" box="[1166,1316,1556,1582]" class="Elasmobranchii" family="Myliobatidae" genus="Aetomylaeus" kingdom="Animalia" order="Myliobatiformes" pageId="128" pageNumber="129" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF05FF2FFB489920486F0919" box="[1166,1316,1556,1582]" italics="true" pageId="128" pageNumber="129">Aetomylaeus</emphasis>
|
||
</taxonomicName>
|
||
differs in having a reticulated and tuberculated appearance on the labial and lingual faces, as opposed to being wrinkled.
|
||
<taxonomicName id="57BE87D4FF05FF2FFEF4996B4CFD094E" authorityName="Cuvier" authorityYear="1829" box="[306,438,1631,1657]" class="Elasmobranchii" family="Myliobatidae" genus="Rhinoptera" kingdom="Animalia" order="Myliobatiformes" pageId="128" pageNumber="129" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF05FF2FFEF4996B4CFD094E" box="[306,438,1631,1657]" italics="true" pageId="128" pageNumber="129">Rhinoptera</emphasis>
|
||
</taxonomicName>
|
||
bears weaker labial and lingual wrinkling, the crown faces are vertical and straight, and the root is very low with a vertical labial face and lingual margin that does not extend past the crown foot. Heavily worn teeth of
|
||
<taxonomicName id="57BE87D4FF05FF2FFDCF999F4FCD09F2" authorityName="Cuvier" authorityYear="1816" box="[521,646,1707,1733]" class="Elasmobranchii" family="Myliobatidae" genus="Myliobatis" kingdom="Animalia" order="Myliobatiformes" pageId="128" pageNumber="129" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF05FF2FFDCF999F4FCD09F2" box="[521,646,1707,1733]" italics="true" pageId="128" pageNumber="129">Myliobatis</emphasis>
|
||
</taxonomicName>
|
||
sp. 1 can be identified by their heavily crenulated labial crown margin. Although similar in gross morphology,
|
||
<taxonomicName id="57BE87D4FF05FF2FFD3D99E44E3309DD" authorityName="Cuvier" authorityYear="1816" box="[763,888,1744,1770]" class="Elasmobranchii" family="Myliobatidae" genus="Myliobatis" kingdom="Animalia" order="Myliobatiformes" pageId="128" pageNumber="129" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF05FF2FFD3D99E44E3309DD" box="[763,888,1744,1770]" italics="true" pageId="128" pageNumber="129">Myliobatis</emphasis>
|
||
</taxonomicName>
|
||
sp. 1 differs from the temporally younger
|
||
<taxonomicName id="57BE87D4FF05FF2FFF7B99C24C710827" authorityName="Cuvier" authorityYear="1816" box="[189,314,1782,1808]" class="Elasmobranchii" family="Myliobatidae" genus="Myliobatis" kingdom="Animalia" order="Myliobatiformes" pageId="128" pageNumber="129" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF05FF2FFF7B99C24C710827" box="[189,314,1782,1808]" italics="true" pageId="128" pageNumber="129">Myliobatis</emphasis>
|
||
</taxonomicName>
|
||
sp. 2 of the
|
||
<collectingRegion id="527A32B5FF05FF2FFE0899C24F540827" box="[462,543,1782,1808]" country="Portugal" name="Lisboa" pageId="128" pageNumber="129">Lisbon</collectingRegion>
|
||
Formation and Gosport Sand (see below) in lacking any reticulation but having a highly crenulated labial crown foot.
|
||
</paragraph>
|
||
<paragraph id="9001FC57FF05FF2FFF7B9854497808DC" blockId="128.[189,1399,1888,2027]" pageId="128" pageNumber="129">
|
||
Several Eocene species of
|
||
<taxonomicName id="57BE87D4FF05FF2FFE3998544F37084D" authorityName="Cuvier" authorityYear="1816" box="[511,636,1888,1914]" class="Elasmobranchii" family="Myliobatidae" genus="Myliobatis" kingdom="Animalia" order="Myliobatiformes" pageId="128" pageNumber="129" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF05FF2FFE3998544F37084D" box="[511,636,1888,1914]" italics="true" pageId="128" pageNumber="129">Myliobatis</emphasis>
|
||
</taxonomicName>
|
||
have been described, but comments on labial/lingual ornament are usually lacking, and dentitions of extant species can be highly variable (see Hovestadt & Hovestadt- Euler 2013). Without having directly compared our Tallahatta teeth to the
|
||
<typeStatus id="4F0542F5FF05FF2FFB97989849CF08F1" box="[1105,1156,1964,1990]" pageId="128" pageNumber="129">type</typeStatus>
|
||
specimens of those Eocene species, we cannot confidently make a more specific determination.
|
||
</paragraph>
|
||
<paragraph id="9001FC57FF04FF2EFF7B9E3F4E5F0E12" blockId="129.[189,788,267,293]" box="[189,788,267,293]" pageId="129" pageNumber="130">
|
||
<heading id="CB494B3BFF04FF2EFF7B9E3F4E5F0E12" bold="true" box="[189,788,267,293]" fontSize="11" level="3" pageId="129" pageNumber="130" reason="3">
|
||
<emphasis id="A2CA2045FF04FF2EFF7B9E3F4E5F0E12" bold="true" box="[189,788,267,293]" pageId="129" pageNumber="130">
|
||
Stratigraphic and geographic range in
|
||
<collectingRegion id="527A32B5FF04FF2EFD649E3F4E5F0E12" box="[674,788,267,293]" country="United States of America" name="Alabama" pageId="129" pageNumber="130">Alabama</collectingRegion>
|
||
</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="9001FC57FF04FF2EFF7B9E0E4C4C0EAA" blockId="129.[189,1399,314,413]" pageId="129" pageNumber="130">The specimens in our sample were collected from the Meridian Sand Member of the Tallahatta Formation and the lower Tallahatta Formation at site ADl-1. Upper Ypresian to lower Lutetian, zones NP12 to NP14.</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |