676 lines
63 KiB
XML
676 lines
63 KiB
XML
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<mods:title id="5A10FC9070FAD772311709562633E731">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="FEE81AD4E98B167C5FC9E4810942EA24">Ebersole, Jun A.</mods:namePart>
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<mods:namePart id="6251EA2A70BEBAABC299B3A77051AD70">Cicimurri, David J.</mods:namePart>
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<mods:namePart id="53E4DD1F01F5C1C17FDB2E6FB4143CA5">Stringer, Gary L.</mods:namePart>
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<treatment id="18174D41FF03FF26FD079AE84F770A1E" ID-DOI="http://doi.org/10.5281/zenodo.3664245" ID-GBIF-Taxon="162073153" ID-Zenodo-Dep="3664245" LSID="urn:lsid:plazi:treatment:18174D41FF03FF26FD079AE84F770A1E" httpUri="http://treatment.plazi.org/id/18174D41FF03FF26FD079AE84F770A1E" lastPageId="137" lastPageNumber="138" pageId="134" pageNumber="135">
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<taxonomicName id="57BE87D4FF03FF29FD079AE84E010AC0" ID-CoL="78SP" ID-ENA="86374" authorityName="Cuvier" authorityYear="1829" box="[705,842,1500,1527]" class="Elasmobranchii" family="Myliobatidae" genus="Rhinoptera" kingdom="Animalia" order="Myliobatiformes" pageId="134" pageNumber="135" phylum="Chordata" rank="genus">
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<emphasis id="A2CA2045FF03FF29FD079AE84E010AC0" bold="true" box="[705,842,1500,1527]" italics="true" pageId="134" pageNumber="135">Rhinoptera</emphasis>
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sp.
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<paragraph id="9001FC57FF03FF29FD3699344E08092C" blockId="134.[705,882,1500,1563]" box="[752,835,1536,1563]" pageId="134" pageNumber="135">
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–
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• 1891 isolated teeth;
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35746 (
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37200 (
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37429 (
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37465 (
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),
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37485 (
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),
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37488,
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37489,
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||
<collectionCode id="F6AF6492FF03FF29FC3798144964080D" box="[1009,1071,1824,1850]" pageId="134" pageNumber="135">MSC</collectionCode>
|
||
37534 (
|
||
<specimenCount id="86B837DEFF03FF29FB569814486E080C" box="[1168,1317,1824,1851]" pageId="134" pageNumber="135" type="generic">3 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF03FF29FAFF9814483C080D" box="[1337,1399,1824,1850]" pageId="134" pageNumber="135">MSC</collectionCode>
|
||
37595,
|
||
<collectionCode id="F6AF6492FF03FF29FED298704C190869" box="[276,338,1860,1886]" pageId="134" pageNumber="135">MSC</collectionCode>
|
||
37601,
|
||
<collectionCode id="F6AF6492FF03FF29FE6998704CA60869" box="[431,493,1860,1886]" pageId="134" pageNumber="135">MSC</collectionCode>
|
||
37625 (
|
||
<specimenCount id="86B837DEFF03FF29FD8A98704FAA0868" box="[588,737,1860,1887]" pageId="134" pageNumber="135" type="generic">2 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF03FF29FD3598704E7A0869" box="[755,817,1860,1886]" pageId="134" pageNumber="135">MSC</collectionCode>
|
||
38403,
|
||
<collectionCode id="F6AF6492FF03FF29FC4998704E860869" box="[911,973,1860,1886]" pageId="134" pageNumber="135">MSC</collectionCode>
|
||
38779,
|
||
<collectionCode id="F6AF6492FF03FF29FBEC987049230869" box="[1066,1128,1860,1886]" pageId="134" pageNumber="135">MSC</collectionCode>
|
||
38791 (
|
||
<specimenCount id="86B837DEFF03FF29FB00987048210868" box="[1222,1386,1860,1887]" pageId="134" pageNumber="135" type="generic">48 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF03FF29FF7B98534DB008B6" box="[189,251,1895,1921]" pageId="134" pageNumber="135">MSC</collectionCode>
|
||
38794 (
|
||
<specimenCount id="86B837DEFF03FF29FEA598534F4708B5" box="[355,524,1895,1922]" pageId="134" pageNumber="135" type="generic">78 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF03FF29FDE298534F2908B6" box="[548,610,1895,1921]" pageId="134" pageNumber="135">MSC</collectionCode>
|
||
38800 (
|
||
<specimenCount id="86B837DEFF03FF29FD0D98534E3F08B5" box="[715,884,1895,1922]" pageId="134" pageNumber="135" type="generic">13 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF03FF29FC4D98534E8208B6" box="[907,969,1895,1921]" pageId="134" pageNumber="135">MSC</collectionCode>
|
||
38803 (
|
||
<specimenCount id="86B837DEFF03FF29FBF49853498708B5" box="[1074,1228,1895,1922]" pageId="134" pageNumber="135" type="generic">2 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF03FF29FB229853486908B6" box="[1252,1314,1895,1921]" pageId="134" pageNumber="135">MSC</collectionCode>
|
||
38808 (
|
||
<specimenCount id="86B837DEFF03FF29FF0098BE4C140892" box="[198,351,1930,1957]" pageId="134" pageNumber="135" type="generic">7 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF03FF29FEB398BE4CF80893" box="[373,435,1930,1956]" pageId="134" pageNumber="135">MSC</collectionCode>
|
||
38812 (
|
||
<specimenCount id="86B837DEFF03FF29FDDD98BE4FF80892" box="[539,691,1930,1957]" pageId="134" pageNumber="135" type="generic">8 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF03FF29FD0C98BE4E430893" box="[714,776,1930,1956]" pageId="134" pageNumber="135">MSC</collectionCode>
|
||
38815 (
|
||
<specimenCount id="86B837DEFF03FF29FCA898BE495D0892" box="[878,1046,1930,1957]" pageId="134" pageNumber="135" type="generic">20 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF03FF29FBEA98BE49210893" box="[1068,1130,1930,1956]" pageId="134" pageNumber="135">MSC</collectionCode>
|
||
38816 (
|
||
<specimenCount id="86B837DEFF03FF29FB1798BE48210892" box="[1233,1386,1930,1957]" pageId="134" pageNumber="135" type="generic">2 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF03FF29FF7B989A4DB008FF" box="[189,251,1966,1992]" pageId="134" pageNumber="135">MSC</collectionCode>
|
||
38816 (
|
||
<specimenCount id="86B837DEFF03FF29FE99989A4CBD08FF" box="[351,502,1965,1992]" pageId="134" pageNumber="135" type="generic">2 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF03FF29FDCD989A4F0208FF" box="[523,585,1966,1992]" pageId="134" pageNumber="135">MSC</collectionCode>
|
||
38817 (
|
||
<specimenCount id="86B837DEFF03FF29FD68989A4E0F08FF" box="[686,836,1965,1992]" pageId="134" pageNumber="135" type="generic">3 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF03FF29FC9F989A4EDC08FF" box="[857,919,1966,1992]" pageId="134" pageNumber="135">MSC</collectionCode>
|
||
38825 (
|
||
<specimenCount id="86B837DEFF03FF29FC3D989A49EA08FF" box="[1019,1185,1965,1992]" pageId="134" pageNumber="135" type="generic">10 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF03FF29FB70989A49BF08FF" box="[1206,1268,1966,1992]" pageId="134" pageNumber="135">MSC</collectionCode>
|
||
38827 (
|
||
<specimenCount id="86B837DEFF03FF29FA9E989A4C7708DB" pageId="134" pageNumber="135" type="generic">14 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF03FF29FE9498E54CDB08DC" box="[338,400,2001,2027]" pageId="134" pageNumber="135">MSC</collectionCode>
|
||
38840 (1164 specimens),
|
||
<collectionCode id="F6AF6492FF03FF29FD0898E54E4708DC" box="[718,780,2001,2027]" pageId="134" pageNumber="135">MSC</collectionCode>
|
||
38847 (
|
||
<specimenCount id="86B837DEFF03FF29FCB498E5494108DB" box="[882,1034,2001,2028]" pageId="134" pageNumber="135" type="generic">4 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF03FF29FBE698E5491508DC" box="[1056,1118,2001,2027]" pageId="134" pageNumber="135">MSC</collectionCode>
|
||
38848 (
|
||
<specimenCount id="86B837DEFF03FF29FB0598E5482108DB" box="[1219,1386,2001,2028]" pageId="134" pageNumber="135" type="generic">72 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF02FF28FF7B9E3F4DB00E12" box="[189,251,267,293]" pageId="135" pageNumber="136">MSC</collectionCode>
|
||
38852 (
|
||
<specimenCount id="86B837DEFF02FF28FEA49E3F4CB20E11" box="[354,505,267,294]" pageId="135" pageNumber="136" type="generic">3 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF02FF28FDC99E3F4F060E12" box="[527,589,267,293]" pageId="135" pageNumber="136">MSC</collectionCode>
|
||
38854 (
|
||
<specimenCount id="86B837DEFF02FF28FD759E3F4E070E11" box="[691,844,267,294]" pageId="135" pageNumber="136" type="generic">4 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF02FF28FCA49E3F4EEB0E12" box="[866,928,267,293]" pageId="135" pageNumber="136">MSC</collectionCode>
|
||
38856 (
|
||
<specimenCount id="86B837DEFF02FF28FBC39E3F49E60E11" box="[1029,1197,267,294]" pageId="135" pageNumber="136" type="generic">67 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF02FF28FB059E3F484A0E12" box="[1219,1281,267,293]" pageId="135" pageNumber="136">MSC</collectionCode>
|
||
38870 (
|
||
<specimenCount id="86B837DEFF02FF28FAA19E3F4C770E7E" pageId="135" pageNumber="136" type="generic">9 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF02FF28FE969E1B4CC50E7E" box="[336,398,303,329]" pageId="135" pageNumber="136">MSC</collectionCode>
|
||
38873 (
|
||
<specimenCount id="86B837DEFF02FF28FE299E1B4FD80E7E" box="[495,659,302,329]" pageId="135" pageNumber="136" type="generic">12 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF02FF28FD619E1B4FAE0E7E" box="[679,741,303,329]" pageId="135" pageNumber="136">MSC</collectionCode>
|
||
38875 (
|
||
<specimenCount id="86B837DEFF02FF28FC819E1B4E970E7E" box="[839,988,302,329]" pageId="135" pageNumber="136" type="generic">3 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF02FF28FC369E1B49650E7E" box="[1008,1070,303,329]" pageId="135" pageNumber="136">MSC</collectionCode>
|
||
38884 (
|
||
<specimenCount id="86B837DEFF02FF28FB499E1A486E0E7E" box="[1167,1317,302,329]" pageId="135" pageNumber="136" type="generic">6 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF02FF28FAFE9E1B483D0E7E" box="[1336,1398,303,329]" pageId="135" pageNumber="136">MSC</collectionCode>
|
||
38943 (
|
||
<specimenCount id="86B837DEFF02FF28FED29E664CE30E5A" box="[276,424,338,365]" pageId="135" pageNumber="136" type="generic">7 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF02FF28FE7F9E664CBC0E5B" box="[441,503,338,364]" pageId="135" pageNumber="136">MSC</collectionCode>
|
||
38949 (
|
||
<specimenCount id="86B837DEFF02FF28FD929E664FBD0E5A" box="[596,758,338,365]" pageId="135" pageNumber="136" type="generic">14 specimens</specimenCount>
|
||
),
|
||
<specimenCode id="C018542CFF02FF28FCC19E664E320E5A" box="[775,889,338,365]" collectionCode="MSC" pageId="135" pageNumber="136">
|
||
<collectionCode id="F6AF6492FF02FF28FCC19E664E0E0E5B" box="[775,837,338,364]" pageId="135" pageNumber="136">MSC</collectionCode>
|
||
565
|
||
</specimenCode>
|
||
,
|
||
<specimenCode id="C018542CFF02FF28FC449E6649500E5A" box="[898,1051,338,365]" collectionCode="NJSM" country="USA" httpUri="http://grbio.org/cool/fe4d-5yka" name="New Jersey State Museum" pageId="135" pageNumber="136">
|
||
<collectionCode id="F6AF6492FF02FF28FC449E664E860E5B" box="[898,973,338,364]" pageId="135" pageNumber="136">NJSM</collectionCode>
|
||
24035
|
||
</specimenCode>
|
||
(
|
||
<specimenCount id="86B837DEFF02FF28FBEC9E6649F60E5A" box="[1066,1213,338,365]" pageId="135" pageNumber="136" type="generic">3 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF02FF28FB099E6649BA0E5B" box="[1231,1265,338,364]" pageId="135" pageNumber="136">SC</collectionCode>
|
||
2012.47.18 (
|
||
<specimenCount id="86B837DEFF02FF28FF009E414C390EA7" box="[198,370,373,400]" pageId="135" pageNumber="136" type="generic">13 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF02FF28FE4B9E414CE40EB8" box="[397,431,373,399]" pageId="135" pageNumber="136">SC</collectionCode>
|
||
2012.47.19 (
|
||
<specimenCount id="86B837DEFF02FF28FD8A9E414FB30EA7" box="[588,760,373,400]" pageId="135" pageNumber="136" type="generic">29 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF02FF28FCD59E414E7E0EB8" box="[787,821,373,399]" pageId="135" pageNumber="136">SC</collectionCode>
|
||
2012.47.20 (
|
||
<specimenCount id="86B837DEFF02FF28FC149E4149240EA7" box="[978,1135,373,400]" pageId="135" pageNumber="136" type="generic">9 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF02FF28FB4C9E4149E70EB8" box="[1162,1196,373,399]" pageId="135" pageNumber="136">SC</collectionCode>
|
||
2012.47.230 (
|
||
<specimenCount id="86B837DEFF02FF28FA9E9E414C770E84" pageId="135" pageNumber="136" type="generic">12 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF02FF28FEA69EAC4CC80E85" box="[352,387,408,434]" pageId="135" pageNumber="136">SC</collectionCode>
|
||
2012.47.231 (
|
||
<specimenCount id="86B837DEFF02FF28FDF09EAC4FA00E84" box="[566,747,408,435]" pageId="135" pageNumber="136" type="generic">65 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF02FF28FCC89EAC4E7A0E85" box="[782,817,408,434]" pageId="135" pageNumber="136">SC</collectionCode>
|
||
2012.47.232,
|
||
<collectionCode id="F6AF6492FF02FF28FC259EAC494D0E85" box="[995,1030,408,434]" pageId="135" pageNumber="136">SC</collectionCode>
|
||
2012.47.233,
|
||
<collectionCode id="F6AF6492FF02FF28FB7F9EAC49970E85" box="[1209,1244,408,434]" pageId="135" pageNumber="136">SC</collectionCode>
|
||
2012.47.234,
|
||
<collectionCode id="F6AF6492FF02FF28FF7B9E8F4D940EE1" box="[189,223,443,470]" pageId="135" pageNumber="136">SC</collectionCode>
|
||
2012.47.235 (
|
||
<specimenCount id="86B837DEFF02FF28FE439E8F4F510EE1" box="[389,538,443,470]" pageId="135" pageNumber="136" type="generic">3 specimens</specimenCount>
|
||
),
|
||
<collectionCode id="F6AF6492FF02FF28FDEB9E8F4F040EE2" box="[557,591,443,469]" pageId="135" pageNumber="136">SC</collectionCode>
|
||
2012.47.236 (
|
||
<specimenCount id="86B837DEFF02FF28FD329E8F4EC00EE1" box="[756,907,443,470]" pageId="135" pageNumber="136" type="generic">4 specimens</specimenCount>
|
||
)
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D8A4AFDCFF02FF28FF7B9EC94E280CFF" pageId="135" pageNumber="136" type="description">
|
||
<paragraph id="9001FC57FF02FF28FF7B9EC94C050D20" blockId="135.[189,334,509,535]" box="[189,334,509,535]" pageId="135" pageNumber="136">
|
||
<heading id="CB494B3BFF02FF28FF7B9EC94C050D20" bold="true" box="[189,334,509,535]" fontSize="11" level="3" pageId="135" pageNumber="136" reason="3">
|
||
<emphasis id="A2CA2045FF02FF28FF7B9EC94C050D20" bold="true" box="[189,334,509,535]" pageId="135" pageNumber="136">Description</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="9001FC57FF02FF28FF7B9D1F4E280CFF" blockId="135.[189,1399,555,969]" pageId="135" pageNumber="136">Teeth vary in width, depending on jaw position. Median teeth the widest; lateral teeth become progressively narrower towards the commissure (roughly hexagonal in outline in more distal rows). All teeth six-sided, regardless of position; have sharp lateral angles of approximately 90-degrees. The occlusal surface flat to weakly convex; covered with smooth enameloid. Labial and lingual crown faces vertical and flat. Labial face slightly overhangs the root. Root smooth except for some basal crenulation; more often irregularly spaced vertical wrinkles occur, which are coarsest basally and may terminate before the crown apex. Lingual face always more strongly ornamented than the labial face; ornament varies from fine to coarse vertical wrinkles that bifurcate apically; fine wrinkling of continuous and discontinuous vertical ridges, or beaded texturing in longitudinal rows. Lingual crown foot marked by thick and rounded transverse ridge; ornamentation generally does not intersect with transverse ridge. Root polyaulocorhize, generally very low compared to crown thickness. Labial face usually vertical; root lamellae typically do not pass the lingual crown foot.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D8A4AFDCFF02FF26FF7B9CC44F770A1E" lastPageId="137" lastPageNumber="138" pageId="135" pageNumber="136" type="discussion">
|
||
<paragraph id="9001FC57FF02FF28FF7B9CC44C640B3D" blockId="135.[189,303,1008,1034]" box="[189,303,1008,1034]" pageId="135" pageNumber="136">
|
||
<heading id="CB494B3BFF02FF28FF7B9CC44C640B3D" bold="true" box="[189,303,1008,1034]" fontSize="11" level="3" pageId="135" pageNumber="136" reason="3">
|
||
<emphasis id="A2CA2045FF02FF28FF7B9CC44C640B3D" bold="true" box="[189,303,1008,1034]" pageId="135" pageNumber="136">Remarks</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="9001FC57FF02FF28FF7B9B2A483D0A3B" blockId="135.[189,1398,1054,1292]" pageId="135" pageNumber="136">
|
||
<taxonomicName id="57BE87D4FF02FF28FF7B9B2A4C0A0B0F" authorityName="Cuvier" authorityYear="1829" box="[189,321,1054,1080]" class="Elasmobranchii" family="Myliobatidae" genus="Rhinoptera" kingdom="Animalia" order="Myliobatiformes" pageId="135" pageNumber="136" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF02FF28FF7B9B2A4C0A0B0F" box="[189,321,1054,1080]" italics="true" pageId="135" pageNumber="136">Rhinoptera</emphasis>
|
||
</taxonomicName>
|
||
occurs in all of the formations within the Claiborne Group, and it was coeval with several taxa with similar crushing dentitions, particularly within the
|
||
<collectingRegion id="527A32B5FF02FF28FC4F9B764E910B6B" box="[905,986,1090,1116]" country="Portugal" name="Lisboa" pageId="135" pageNumber="136">Lisbon</collectingRegion>
|
||
Formation. In general,
|
||
<taxonomicName id="57BE87D4FF02FF28FB349B76483D0B6B" authorityName="Cuvier" authorityYear="1829" box="[1266,1398,1090,1116]" class="Elasmobranchii" family="Myliobatidae" genus="Rhinoptera" kingdom="Animalia" order="Myliobatiformes" pageId="135" pageNumber="136" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF02FF28FB349B76483D0B6B" box="[1266,1398,1090,1116]" italics="true" pageId="135" pageNumber="136">Rhinoptera</emphasis>
|
||
</taxonomicName>
|
||
teeth have vertical and straight labial and lingual faces, and the root is low with a vertical labial face and distal lobes that do not extend past the crown foot. In contrast, teeth of
|
||
<taxonomicName id="57BE87D4FF02FF28FC299BBC49CE0B95" authorityName="Garman" authorityYear="1908" box="[1007,1157,1160,1186]" class="Elasmobranchii" family="Myliobatidae" genus="Aetomylaeus" kingdom="Animalia" order="Myliobatiformes" pageId="135" pageNumber="136" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF02FF28FC299BBC49CE0B95" box="[1007,1157,1160,1186]" italics="true" pageId="135" pageNumber="136">Aetomylaeus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="57BE87D4FF02FF28FB7D9BBC48730B95" authorityName="Cuvier" authorityYear="1816" box="[1211,1336,1160,1186]" class="Elasmobranchii" family="Myliobatidae" genus="Myliobatis" kingdom="Animalia" order="Myliobatiformes" pageId="135" pageNumber="136" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF02FF28FB7D9BBC48730B95" box="[1211,1336,1160,1186]" italics="true" pageId="135" pageNumber="136">Myliobatis</emphasis>
|
||
</taxonomicName>
|
||
have concave labial and convex lingual faces, the root his high, with an oblique labial root face and distal lobes that extend beyond the crown foot. Additionally, the lingual crown face and the basal transverse ridge form a 90-degree angle, whereas this juncture is less than 90-degrees on
|
||
<taxonomicName id="57BE87D4FF02FF28FBE69BC649D60A3B" authorityName="Cuvier" authorityYear="1816" box="[1056,1181,1266,1292]" class="Elasmobranchii" family="Myliobatidae" genus="Myliobatis" kingdom="Animalia" order="Myliobatiformes" pageId="135" pageNumber="136" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF02FF28FBE69BC649D60A3B" box="[1056,1181,1266,1292]" italics="true" pageId="135" pageNumber="136">Myliobatis</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="57BE87D4FF02FF28FB1F9BC648240A3B" authorityName="Garman" authorityYear="1908" box="[1241,1391,1266,1292]" class="Elasmobranchii" family="Myliobatidae" genus="Aetomylaeus" kingdom="Animalia" order="Myliobatiformes" pageId="135" pageNumber="136" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF02FF28FB1F9BC648240A3B" box="[1241,1391,1266,1292]" italics="true" pageId="135" pageNumber="136">Aetomylaeus</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<caption id="C4C1ACDFFF02FF28FF7B9A624C9008DC" ID-DOI="http://doi.org/10.5281/zenodo.3660357" ID-Zenodo-Dep="3660357" httpUri="https://zenodo.org/record/3660357/files/figure.png" pageId="135" pageNumber="136" targetBox="[193,1388,529,2017]" targetPageId="136">
|
||
<paragraph id="9001FC57FF02FF28FF7B9A624C9008DC" blockId="135.[189,1399,1366,2027]" pageId="135" pageNumber="136">
|
||
<emphasis id="A2CA2045FF02FF28FF7B9A624C530A47" bold="true" box="[189,280,1366,1392]" pageId="135" pageNumber="136">Fig. 50</emphasis>
|
||
(opposite page).
|
||
<taxonomicName id="57BE87D4FF02FF28FE319A634F300A46" authorityName="Cuvier" authorityYear="1829" box="[503,635,1367,1393]" class="Elasmobranchii" family="Myliobatidae" genus="Rhinoptera" kingdom="Animalia" order="Myliobatiformes" pageId="135" pageNumber="136" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF02FF28FE319A634F300A46" box="[503,635,1367,1393]" italics="true" pageId="135" pageNumber="136">Rhinoptera</emphasis>
|
||
</taxonomicName>
|
||
sp., teeth.
|
||
<emphasis id="A2CA2045FF02FF28FCCB9A624E0F0A47" bold="true" box="[781,836,1366,1392]" pageId="135" pageNumber="136">A–E</emphasis>
|
||
.
|
||
<collectionCode id="F6AF6492FF02FF28FC9C9A634E360A46" box="[858,893,1367,1393]" pageId="135" pageNumber="136">SC</collectionCode>
|
||
2012.47.233, median tooth, basal
|
||
<collectingRegion id="527A32B5FF02FF28FAE39A62483D0A47" box="[1317,1398,1366,1392]" country="Portugal" name="Lisboa" pageId="135" pageNumber="136">Lisbon</collectingRegion>
|
||
Formation.
|
||
<emphasis id="A2CA2045FF02FF28FE819A4E4C170AA3" bold="true" box="[327,348,1402,1428]" pageId="135" pageNumber="136">A</emphasis>
|
||
. Oral view.
|
||
<emphasis id="A2CA2045FF02FF28FE379A4E4F4E0AA3" bold="true" box="[497,517,1402,1428]" pageId="135" pageNumber="136">B</emphasis>
|
||
. Basal view.
|
||
<emphasis id="A2CA2045FF02FF28FD609A4E4FF00AA3" bold="true" box="[678,699,1402,1428]" pageId="135" pageNumber="136">C</emphasis>
|
||
. Labial view.
|
||
<emphasis id="A2CA2045FF02FF28FCA09A4E4E300AA3" bold="true" box="[870,891,1402,1428]" pageId="135" pageNumber="136">D</emphasis>
|
||
. Lingual view.
|
||
<emphasis id="A2CA2045FF02FF28FBF19A4E49000AA3" bold="true" box="[1079,1099,1402,1428]" pageId="135" pageNumber="136">E</emphasis>
|
||
. Profile view.
|
||
<emphasis id="A2CA2045FF02FF28FB3F9A4E48630AA3" bold="true" box="[1273,1320,1402,1428]" pageId="135" pageNumber="136">F–J</emphasis>
|
||
.
|
||
<collectionCode id="F6AF6492FF02FF28FAFE9A4E483D0AA3" box="[1336,1398,1402,1428]" pageId="135" pageNumber="136">MSC</collectionCode>
|
||
37389.2, median tooth, lower Tallahatta Formation.
|
||
<emphasis id="A2CA2045FF02FF28FC869AA94E190A80" bold="true" box="[832,850,1437,1463]" pageId="135" pageNumber="136">F</emphasis>
|
||
. Oral view.
|
||
<emphasis id="A2CA2045FF02FF28FC349AA949420A80" bold="true" box="[1010,1033,1437,1463]" pageId="135" pageNumber="136">G</emphasis>
|
||
. Basal view.
|
||
<emphasis id="A2CA2045FF02FF28FB709AA949860A80" bold="true" box="[1206,1229,1437,1463]" pageId="135" pageNumber="136">H</emphasis>
|
||
. Labial view.
|
||
<emphasis id="A2CA2045FF02FF28FF7B9AF44D830AED" bold="true" box="[189,200,1472,1498]" pageId="135" pageNumber="136">I</emphasis>
|
||
. Lingual view.
|
||
<emphasis id="A2CA2045FF02FF28FEBA9AF44CC00AED" bold="true" box="[380,395,1472,1498]" pageId="135" pageNumber="136">J</emphasis>
|
||
. Profile view.
|
||
<emphasis id="A2CA2045FF02FF28FDF49AF44F250AED" bold="true" box="[562,622,1472,1498]" pageId="135" pageNumber="136">K–O</emphasis>
|
||
.
|
||
<collectionCode id="F6AF6492FF02FF28FDBA9AF44FF10AED" box="[636,698,1472,1498]" pageId="135" pageNumber="136">MSC</collectionCode>
|
||
37389.1, median tooth, lower Tallahatta Formation.
|
||
<emphasis id="A2CA2045FF02FF28FAD89AF4487E0AED" bold="true" box="[1310,1333,1472,1498]" pageId="135" pageNumber="136">K</emphasis>
|
||
. Oral view.
|
||
<emphasis id="A2CA2045FF02FF28FEC39AD04C520AC9" bold="true" box="[261,281,1508,1534]" pageId="135" pageNumber="136">L</emphasis>
|
||
. Basal view.
|
||
<emphasis id="A2CA2045FF02FF28FE7A9AD04C930AC9" bold="true" box="[444,472,1508,1534]" pageId="135" pageNumber="136">M</emphasis>
|
||
. Labial view.
|
||
<emphasis id="A2CA2045FF02FF28FD409AD04FD00AC9" bold="true" box="[646,667,1508,1534]" pageId="135" pageNumber="136">N</emphasis>
|
||
. Lingual view.
|
||
<emphasis id="A2CA2045FF02FF28FC9F9AD74E3B0ACA" bold="true" box="[857,880,1507,1533]" pageId="135" pageNumber="136">O</emphasis>
|
||
. Profile view.
|
||
<emphasis id="A2CA2045FF02FF28FBE79AD0491E0AC9" bold="true" box="[1057,1109,1508,1534]" pageId="135" pageNumber="136">P–T</emphasis>
|
||
.
|
||
<collectionCode id="F6AF6492FF02FF28FBA09AD749C20AC9" box="[1126,1161,1507,1534]" pageId="135" pageNumber="136">SC</collectionCode>
|
||
2012.47.235, lateral tooth, basal
|
||
<collectingRegion id="527A32B5FF02FF28FE8A99324CD60917" box="[332,413,1542,1568]" country="Portugal" name="Lisboa" pageId="135" pageNumber="136">Lisbon</collectingRegion>
|
||
Formation.
|
||
<emphasis id="A2CA2045FF02FF28FDEB99334F740916" bold="true" box="[557,575,1543,1569]" pageId="135" pageNumber="136">P</emphasis>
|
||
. Oral view.
|
||
<emphasis id="A2CA2045FF02FF28FD0999324FAD0917" bold="true" box="[719,742,1542,1568]" pageId="135" pageNumber="136">Q</emphasis>
|
||
. Basal view.
|
||
<emphasis id="A2CA2045FF02FF28FC4599334ED30916" bold="true" box="[899,920,1543,1569]" pageId="135" pageNumber="136">R</emphasis>
|
||
. Labial view.
|
||
<emphasis id="A2CA2045FF02FF28FBF9993249040917" bold="true" box="[1087,1103,1542,1568]" pageId="135" pageNumber="136">S</emphasis>
|
||
. Lingual view.
|
||
<emphasis id="A2CA2045FF02FF28FAC0993348510916" bold="true" box="[1286,1306,1543,1569]" pageId="135" pageNumber="136">T</emphasis>
|
||
. Profile view.
|
||
<emphasis id="A2CA2045FF02FF28FEC2991E4C760973" bold="true" box="[260,317,1578,1604]" pageId="135" pageNumber="136">U–Y</emphasis>
|
||
.
|
||
<collectionCode id="F6AF6492FF02FF28FE88991E4CC70973" box="[334,396,1578,1604]" pageId="135" pageNumber="136">MSC</collectionCode>
|
||
2388.1, median tooth, Gosport Sand.
|
||
<emphasis id="A2CA2045FF02FF28FC93991E4E210973" bold="true" box="[853,874,1578,1604]" pageId="135" pageNumber="136">U</emphasis>
|
||
. Oral view.
|
||
<emphasis id="A2CA2045FF02FF28FC39991E495F0973" bold="true" box="[1023,1044,1578,1604]" pageId="135" pageNumber="136">V</emphasis>
|
||
. Basal view.
|
||
<emphasis id="A2CA2045FF02FF28FB70991E49980973" bold="true" box="[1206,1235,1578,1604]" pageId="135" pageNumber="136">W</emphasis>
|
||
. Labial view.
|
||
<emphasis id="A2CA2045FF02FF28FF7B99794D990950" bold="true" box="[189,210,1613,1639]" pageId="135" pageNumber="136">X</emphasis>
|
||
. Lingual view.
|
||
<emphasis id="A2CA2045FF02FF28FE5399794CE10950" bold="true" box="[405,426,1613,1639]" pageId="135" pageNumber="136">Y</emphasis>
|
||
. Profile view.
|
||
<emphasis id="A2CA2045FF02FF28FDA699794FE60950" bold="true" box="[608,685,1613,1639]" pageId="135" pageNumber="136">Z–DD</emphasis>
|
||
.
|
||
<collectionCode id="F6AF6492FF02FF28FD7999794FB60950" box="[703,765,1613,1639]" pageId="135" pageNumber="136">MSC</collectionCode>
|
||
2388.2, median tooth, Gosport Sand.
|
||
<emphasis id="A2CA2045FF02FF28FB15997949AC0950" bold="true" box="[1235,1255,1613,1639]" pageId="135" pageNumber="136">Z</emphasis>
|
||
. Oral view.
|
||
<emphasis id="A2CA2045FF02FF28FF7B99444DAC09BD" bold="true" box="[189,231,1648,1674]" pageId="135" pageNumber="136">AA</emphasis>
|
||
. Basal view.
|
||
<emphasis id="A2CA2045FF02FF28FE4F99444CFB09BD" bold="true" box="[393,432,1648,1674]" pageId="135" pageNumber="136">BB</emphasis>
|
||
. Labial view.
|
||
<emphasis id="A2CA2045FF02FF28FD9A99444FCD09BD" bold="true" box="[604,646,1648,1674]" pageId="135" pageNumber="136">CC</emphasis>
|
||
. Lingual view.
|
||
<emphasis id="A2CA2045FF02FF28FC8499444E2709BD" bold="true" box="[834,876,1648,1674]" pageId="135" pageNumber="136">DD</emphasis>
|
||
. Profile view.
|
||
<emphasis id="A2CA2045FF02FF28FBDD9944492309BD" bold="true" box="[1051,1128,1648,1674]" pageId="135" pageNumber="136">EE–II</emphasis>
|
||
.
|
||
<collectionCode id="F6AF6492FF02FF28FBBE994449FD09BD" box="[1144,1206,1648,1674]" pageId="135" pageNumber="136">MSC</collectionCode>
|
||
2388.3, median tooth, Gosport Sand.
|
||
<emphasis id="A2CA2045FF02FF28FE7699A04C9C0999" bold="true" box="[432,471,1684,1710]" pageId="135" pageNumber="136">EE</emphasis>
|
||
. Oral view.
|
||
<emphasis id="A2CA2045FF02FF28FD9999A04FC80999" bold="true" box="[607,643,1684,1710]" pageId="135" pageNumber="136">FF</emphasis>
|
||
. Basal view.
|
||
<emphasis id="A2CA2045FF02FF28FCDE99A74E0D099A" bold="true" box="[792,838,1683,1709]" pageId="135" pageNumber="136">GG</emphasis>
|
||
. Labial view.
|
||
<emphasis id="A2CA2045FF02FF28FC2399A049580999" bold="true" box="[997,1043,1684,1710]" pageId="135" pageNumber="136">HH</emphasis>
|
||
. Lingual view.
|
||
<emphasis id="A2CA2045FF02FF28FB0499A049920999" bold="true" box="[1218,1241,1684,1710]" pageId="135" pageNumber="136">II</emphasis>
|
||
. Profile view.
|
||
<emphasis id="A2CA2045FF02FF28FF7B99834C5809E6" bold="true" box="[189,275,1719,1745]" pageId="135" pageNumber="136">JJ–NN</emphasis>
|
||
.
|
||
<collectionCode id="F6AF6492FF02FF28FEE299834C2909E6" box="[292,354,1719,1745]" pageId="135" pageNumber="136">MSC</collectionCode>
|
||
38873.2, lateral tooth, Gosport Sand.
|
||
<emphasis id="A2CA2045FF02FF28FCED99834E0309E6" bold="true" box="[811,840,1719,1745]" pageId="135" pageNumber="136">JJ</emphasis>
|
||
. Oral view.
|
||
<emphasis id="A2CA2045FF02FF28FC1B9983494009E6" bold="true" box="[989,1035,1719,1745]" pageId="135" pageNumber="136">KK</emphasis>
|
||
. Basal view.
|
||
<emphasis id="A2CA2045FF02FF28FB6B9983499F09E6" bold="true" box="[1197,1236,1719,1745]" pageId="135" pageNumber="136">LL</emphasis>
|
||
. Labial view.
|
||
<emphasis id="A2CA2045FF02FF28FF7B99EE4DBF09C3" bold="true" box="[189,244,1754,1780]" pageId="135" pageNumber="136">MM</emphasis>
|
||
. Lingual view.
|
||
<emphasis id="A2CA2045FF02FF28FE6E99EE4C9909C3" bold="true" box="[424,466,1754,1780]" pageId="135" pageNumber="136">NN</emphasis>
|
||
. Profile view.
|
||
<emphasis id="A2CA2045FF02FF28FDBF99EE4F9D09C3" bold="true" box="[633,726,1754,1780]" pageId="135" pageNumber="136">OO–SS</emphasis>
|
||
.
|
||
<collectionCode id="F6AF6492FF02FF28FD2599EE4E6A09C3" box="[739,801,1754,1780]" pageId="135" pageNumber="136">MSC</collectionCode>
|
||
38403, lateral tooth, basal Gosport Sand.
|
||
<emphasis id="A2CA2045FF02FF28FAC199EE487E09C3" bold="true" box="[1287,1333,1754,1780]" pageId="135" pageNumber="136">OO</emphasis>
|
||
. Oral view.
|
||
<emphasis id="A2CA2045FF02FF28FEC299C94C630820" bold="true" box="[260,296,1789,1815]" pageId="135" pageNumber="136">PP</emphasis>
|
||
. Basal view.
|
||
<emphasis id="A2CA2045FF02FF28FE0C99C94CB30820" bold="true" box="[458,504,1789,1815]" pageId="135" pageNumber="136">QQ</emphasis>
|
||
. Labial view.
|
||
<emphasis id="A2CA2045FF02FF28FD6599C94F860820" bold="true" box="[675,717,1789,1815]" pageId="135" pageNumber="136">RR</emphasis>
|
||
. Lingual view.
|
||
<emphasis id="A2CA2045FF02FF28FC4F99C94EE10820" bold="true" box="[905,938,1789,1815]" pageId="135" pageNumber="136">SS</emphasis>
|
||
. Profile view.
|
||
<emphasis id="A2CA2045FF02FF28FB9E99C949F30820" bold="true" box="[1112,1208,1789,1815]" pageId="135" pageNumber="136">TT–XX</emphasis>
|
||
.
|
||
<collectionCode id="F6AF6492FF02FF28FB0F99C9484C0820" box="[1225,1287,1789,1815]" pageId="135" pageNumber="136">MSC</collectionCode>
|
||
37595.1, lateral tooth, basal Gosport Sand.
|
||
<emphasis id="A2CA2045FF02FF28FD8098144F26080D" bold="true" box="[582,621,1824,1850]" pageId="135" pageNumber="136">TT</emphasis>
|
||
. Oral view.
|
||
<emphasis id="A2CA2045FF02FF28FD3D98144E6E080D" bold="true" box="[763,805,1824,1850]" pageId="135" pageNumber="136">UU</emphasis>
|
||
. Basal view.
|
||
<emphasis id="A2CA2045FF02FF28FC7998144EA2080D" bold="true" box="[959,1001,1824,1850]" pageId="135" pageNumber="136">
|
||
<collectingRegion id="527A32B5FF02FF28FC7998144EA2080D" box="[959,1001,1824,1850]" country="Switzerland" name="Vaud" pageId="135" pageNumber="136">VV</collectingRegion>
|
||
</emphasis>
|
||
. Labial view.
|
||
<emphasis id="A2CA2045FF02FF28FB4898144982080D" bold="true" box="[1166,1225,1824,1850]" pageId="135" pageNumber="136">WW</emphasis>
|
||
. Lingual view.
|
||
<emphasis id="A2CA2045FF02FF28FF7B98704DAC0869" bold="true" box="[189,231,1860,1886]" pageId="135" pageNumber="136">XX</emphasis>
|
||
. Profile view.
|
||
<emphasis id="A2CA2045FF02FF28FE5798774CBF086A" bold="true" box="[401,500,1859,1885]" pageId="135" pageNumber="136">YY–AD</emphasis>
|
||
.
|
||
<collectionCode id="F6AF6492FF02FF28FDC598774F0A086A" box="[515,577,1859,1885]" pageId="135" pageNumber="136">MSC</collectionCode>
|
||
38794.5, lateral tooth, basal Gosport Sand.
|
||
<emphasis id="A2CA2045FF02FF28FB83987049240869" bold="true" box="[1093,1135,1860,1886]" pageId="135" pageNumber="136">YY</emphasis>
|
||
. Oral view.
|
||
<emphasis id="A2CA2045FF02FF28FB399870486D0869" bold="true" box="[1279,1318,1860,1886]" pageId="135" pageNumber="136">ZZ</emphasis>
|
||
. Basal view.
|
||
<emphasis id="A2CA2045FF02FF28FEC598524C6708B7" bold="true" box="[259,300,1894,1920]" pageId="135" pageNumber="136">AB</emphasis>
|
||
. Labial view.
|
||
<emphasis id="A2CA2045FF02FF28FE1798524CB008B7" bold="true" box="[465,507,1894,1920]" pageId="135" pageNumber="136">AC</emphasis>
|
||
. Lingual view.
|
||
<emphasis id="A2CA2045FF02FF28FD7498524F9708B7" bold="true" box="[690,732,1894,1920]" pageId="135" pageNumber="136">
|
||
<collectingRegion id="527A32B5FF02FF28FD7498524F9708B7" box="[690,732,1894,1920]" country="Serbia" name="Ada" pageId="135" pageNumber="136">AD</collectingRegion>
|
||
</emphasis>
|
||
. Profile view.
|
||
<emphasis id="A2CA2045FF02FF28FC4098524E9508B7" bold="true" box="[902,990,1894,1920]" pageId="135" pageNumber="136">AE–AI</emphasis>
|
||
.
|
||
<collectionCode id="F6AF6492FF02FF28FC2A9853496108B6" box="[1004,1066,1895,1921]" pageId="135" pageNumber="136">MSC</collectionCode>
|
||
38794.1, lateral tooth, basal Gosport Sand.
|
||
<emphasis id="A2CA2045FF02FF28FEAB98BE4CDD0893" bold="true" box="[365,406,1930,1956]" pageId="135" pageNumber="136">AE</emphasis>
|
||
. Oral view.
|
||
<emphasis id="A2CA2045FF02FF28FDEC98BE4F1A0893" bold="true" box="[554,593,1930,1956]" pageId="135" pageNumber="136">AF</emphasis>
|
||
. Basal view.
|
||
<emphasis id="A2CA2045FF02FF28FD3498BE4E550893" bold="true" box="[754,798,1930,1956]" pageId="135" pageNumber="136">AG</emphasis>
|
||
. Labial view.
|
||
<emphasis id="A2CA2045FF02FF28FC0F98BE4EBE0893" bold="true" box="[969,1013,1930,1956]" pageId="135" pageNumber="136">AH</emphasis>
|
||
. Lingual view.
|
||
<emphasis id="A2CA2045FF02FF28FB7698BE499A0893" bold="true" box="[1200,1233,1930,1956]" pageId="135" pageNumber="136">
|
||
<collectingRegion id="527A32B5FF02FF28FB7698BE499A0893" box="[1200,1233,1930,1956]" country="Nigeria" name="Rivers" pageId="135" pageNumber="136">AI</collectingRegion>
|
||
</emphasis>
|
||
. Profile view. Labial at top in oral and profile views. Scale bars: A–E, U–SS, YY–AD =
|
||
<quantity id="574651B2FF02FF28FB84989949CA08F0" box="[1090,1153,1965,1991]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="135" pageNumber="136" unit="cm" value="1.0">1 cm</quantity>
|
||
; F–O, TT–XX, AE–
|
||
<collectingRegion id="527A32B5FF02FF28FF7B98E44D9708DD" box="[189,220,2000,2026]" country="Nigeria" name="Rivers" pageId="135" pageNumber="136">AI</collectingRegion>
|
||
=
|
||
<quantity id="574651B2FF02FF28FF3298E44C7008DC" box="[244,315,2000,2027]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="135" pageNumber="136" unit="mm" value="5.0">5 mm</quantity>
|
||
; P–T=
|
||
<quantity id="574651B2FF02FF28FE4998E44C9D08DC" box="[399,470,2000,2027]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="135" pageNumber="136" unit="mm" value="2.0">2 mm</quantity>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="9001FC57FF0DFF27FF7B9E3F4C0E0EB8" blockId="136.[189,1399,267,399]" pageId="136" pageNumber="137">
|
||
<taxonomicName id="57BE87D4FF0DFF27FF7B9E3F4C0A0E12" authorityName="Cuvier" authorityYear="1829" box="[189,321,267,293]" class="Elasmobranchii" family="Myliobatidae" genus="Rhinoptera" kingdom="Animalia" order="Myliobatiformes" pageId="136" pageNumber="137" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF0DFF27FF7B9E3F4C0A0E12" box="[189,321,267,293]" italics="true" pageId="136" pageNumber="137">Rhinoptera</emphasis>
|
||
</taxonomicName>
|
||
lacks a tuberculated enameloid covering and medial swelling as seen on the median teeth of
|
||
<taxonomicName id="57BE87D4FF0DFF27FF7B9E1B4C7C0E7E" authorityName="Cappetta" authorityYear="1986" box="[189,311,303,329]" class="Elasmobranchii" family="Myliobatidae" genus="Leidybatis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="136" pageNumber="137" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF0DFF27FF7B9E1B4C7C0E7E" box="[189,311,303,329]" italics="true" pageId="136" pageNumber="137">Leidybatis</emphasis>
|
||
</taxonomicName>
|
||
. Teeth of
|
||
<taxonomicName id="57BE87D4FF0DFF27FE779E1B4F6D0E7E" authorityName="de Blainville" authorityYear="1816" box="[433,550,303,329]" class="Elasmobranchii" family="Myliobatidae" genus="Aetobatus" kingdom="Animalia" order="Myliobatiformes" pageId="136" pageNumber="137" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF0DFF27FE779E1B4F6D0E7E" box="[433,550,303,329]" italics="true" pageId="136" pageNumber="137">Aetobatus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="57BE87D4FF0DFF27FDA49E1B4E570E7E" authorityName="Cappetta" authorityYear="1986" box="[610,796,303,329]" class="Elasmobranchii" family="Myliobatidae" genus="Pseudaetobatus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="136" pageNumber="137" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF0DFF27FDA49E1B4E570E7E" box="[610,796,303,329]" italics="true" pageId="136" pageNumber="137">Pseudaetobatus</emphasis>
|
||
</taxonomicName>
|
||
have thinner crowns compared to
|
||
<taxonomicName id="57BE87D4FF0DFF27FB7E9E1B48770E7E" authorityName="Cuvier" authorityYear="1829" box="[1208,1340,303,329]" class="Elasmobranchii" family="Myliobatidae" genus="Rhinoptera" kingdom="Animalia" order="Myliobatiformes" pageId="136" pageNumber="137" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF0DFF27FB7E9E1B48770E7E" box="[1208,1340,303,329]" italics="true" pageId="136" pageNumber="137">Rhinoptera</emphasis>
|
||
</taxonomicName>
|
||
, and the root of the former two taxa have an oblique labial face and the distal lobes extend well beyond the crown foot.
|
||
</paragraph>
|
||
<paragraph id="9001FC57FF0CFF26FF7B9E3F4CB00DB0" blockId="137.[189,1399,267,648]" pageId="137" pageNumber="138">
|
||
The best sample of Claiborne
|
||
<taxonomicName id="57BE87D4FF0CFF26FDE29E3F4FE30E12" authorityName="Cuvier" authorityYear="1829" box="[548,680,267,293]" class="Elasmobranchii" family="Myliobatidae" genus="Rhinoptera" kingdom="Animalia" order="Myliobatiformes" pageId="137" pageNumber="138" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF0CFF26FDE29E3F4FE30E12" box="[548,680,267,293]" italics="true" pageId="137" pageNumber="138">Rhinoptera</emphasis>
|
||
</taxonomicName>
|
||
teeth was derived from the Gosport Sand and they exhibit a high degree of variation. Some of this variation represents monognathic heterodonty, with very wide median teeth being flanked by several rows of lateral teeth that become progressively narrower towards the jaw hinge. Dignathic heterodonty is likely also represented, but this is difficult to discern without the aid of an articulated dentition. Gynandric heterodonty is not known in
|
||
<taxonomicName id="57BE87D4FF0CFF26FC309EAD483D0E84" authority="(Herman et al. 2000)" baseAuthorityName="Herman et al." baseAuthorityYear="2000" box="[1014,1398,409,435]" class="Elasmobranchii" family="Myliobatidae" genus="Rhinoptera" kingdom="Animalia" order="Myliobatiformes" pageId="137" pageNumber="138" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF0CFF26FC309EAD49310E84" box="[1014,1146,409,435]" italics="true" pageId="137" pageNumber="138">Rhinoptera</emphasis>
|
||
(
|
||
<bibRefCitation id="F42F81A6FF0CFF26FB4F9EAD48250E84" author="Herman J. & Hovestadt-Euler M. & Hovestadt D. C. & Stehmann M." box="[1161,1390,409,435]" pageId="137" pageNumber="138" pagination="5 - 67" refId="ref143116" refString="Herman J., Hovestadt-Euler M., Hovestadt D. C. & Stehmann M. 2000. Contributions to the study of the comparative morphology of teeth and other relevant ichthyodorulites in living superaspecific taxa of Chondrichthyan fishes. Part B: Batomorphii 4 c: Order: Rajiformes - Suborder Myliobatoidei - Superfamily Dasyatoidea - Family Dasyatidae - Subfamily Dasyatinae - Genus: Urobatis, Subfamily Potamotrygoninae - Genus: Pomatotrogon, Superfamily Plesiobatoidea - Family Plesiobatidae - Genus: Plestiobatis, Superfamily Myliobatoidea - Family Myliobatidae Subfamily Myliobatinae - Genera: Aetobatus, Aetomylaeus, Myliobatis and Pteromylaeus, Subfamily Rhinopterinae - Genus: Rhinoptera and Subfamily Mobulinae - Genera: Manta and Mobula. Addendum 1 to 4 a: erratum to Genus Pteroplatytrygon. Bulletin de l'Institut royal des Sciences naturelles de Belgique, Biologie 70: 5 - 67." type="journal article" year="2000">
|
||
Herman
|
||
<emphasis id="A2CA2045FF0CFF26FB369EAE48600E84" box="[1264,1323,409,435]" italics="true" pageId="137" pageNumber="138">et al.</emphasis>
|
||
2000
|
||
</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
and ontogenetic heterodonty does not appear to have been developed, as the smallest teeth in our sample are simply smaller versions of the largest teeth we examined. The teeth we examined from the Tallahatta and
|
||
<collectingRegion id="527A32B5FF0CFF26FF379D374C090D2A" box="[241,322,515,541]" country="Portugal" name="Lisboa" pageId="137" pageNumber="138">Lisbon</collectingRegion>
|
||
formations possess the same gross morphology as those from the Gosport Sand, and the
|
||
<typeStatus id="4F0542F5FF0CFF26FF7B9D134DB00D76" box="[189,251,551,577]" pageId="137" pageNumber="138">types</typeStatus>
|
||
of wrinkling observed also overlaps with what we observed in the Gosport Sand sample. Thus, the evidence available to us at this time suggests that the
|
||
<taxonomicName id="57BE87D4FF0CFF26FCE89D7E4EF90D53" box="[814,946,586,612]" class="Elasmobranchii" family="Myliobatidae" genus="Rhinoptera" kingdom="Animalia" order="Myliobatiformes" pageId="137" pageNumber="138" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF0CFF26FCE89D7E4EF90D53" box="[814,946,586,612]" italics="true" pageId="137" pageNumber="138">Rhinoptera</emphasis>
|
||
</taxonomicName>
|
||
teeth within all three Claiborne Group formations are conspecific.
|
||
</paragraph>
|
||
<paragraph id="9001FC57FF0CFF26FF7B9D9B4C520B30" blockId="137.[189,1399,687,1031]" pageId="137" pageNumber="138">
|
||
Eocene
|
||
<taxonomicName id="57BE87D4FF0CFF26FEDF9D9B4CD60DFE" box="[281,413,687,713]" class="Elasmobranchii" family="Myliobatidae" genus="Rhinoptera" kingdom="Animalia" order="Myliobatiformes" pageId="137" pageNumber="138" phylum="Chordata" rank="genus">
|
||
<emphasis id="A2CA2045FF0CFF26FEDF9D9B4CD60DFE" box="[281,413,687,713]" italics="true" pageId="137" pageNumber="138">Rhinoptera</emphasis>
|
||
</taxonomicName>
|
||
teeth are often not speciated or referred to
|
||
<taxonomicName id="57BE87D4FF0CFF26FC419D8449530DFE" authorityName="White" authorityYear="1926" box="[903,1048,687,713]" class="Elasmobranchii" family="Myliobatidae" genus="Rhinoptera" kingdom="Animalia" order="Myliobatiformes" pageId="137" pageNumber="138" phylum="Chordata" rank="species" species="sherborni">
|
||
<emphasis id="A2CA2045FF0CFF26FC419D8449530DFE" box="[903,1048,687,713]" italics="true" pageId="137" pageNumber="138">R. sherborni</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="F42F81A6FF0CFF26FBE39D9B49F90DFE" author="White E. I." box="[1061,1202,687,713]" pageId="137" pageNumber="138" pagination="1 - 82" refId="ref153851" refString="White E. I. 1926. Eocene fishes from Nigeria. Bulletin of the Geological Survey of Nigeria 10: 1 - 82. https: // doi. org / 10.1093 / oxfordjournals. afraf. a 100500" type="journal article" year="1926">White 1926</bibRefCitation>
|
||
; also
|
||
<bibRefCitation id="F42F81A6FF0CFF26FB369D9B4DB00DDA" author="Arambourg C." pageId="137" pageNumber="138" pagination="1 - 372" refId="ref136183" refString="Arambourg C. 1952. Les vertebres fossiles des gisements de phosphates (Maroc-Algerie-Tunisie). Notes et Memoires du Service geologique du Maroc 92: 1 - 372." type="journal article" year="1952">Arambourg 1952</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="F42F81A6FF0CFF26FECF9DE64FF90DDB" author="Hovestadt D. C. & Hovestadt-Euler M." box="[265,690,722,748]" pageId="137" pageNumber="138" pagination="1 - 66" refId="ref143545" refString="Hovestadt D. C. & Hovestadt-Euler M. 2013. Generic assessment and reallocation of Cenozoic Myliobatinae based on new information of tooth, tooth plate and caudal spine morphology of extant taxa. Palaeontos 24: 1 - 66." type="journal article" year="2013">Hovestadt & Hovestadt-Euler 2013</bibRefCitation>
|
||
). The gross morphology of the Claiborne Group specimens we examined is comparable to
|
||
<taxonomicName id="57BE87D4FF0CFF26FDF49DC34F8D0C27" authorityName="White" authorityYear="1926" box="[562,710,758,784]" class="Elasmobranchii" family="Myliobatidae" genus="Rhinoptera" kingdom="Animalia" order="Myliobatiformes" pageId="137" pageNumber="138" phylum="Chordata" rank="species" species="sherborni">
|
||
<emphasis id="A2CA2045FF0CFF26FDF49DC34F8D0C27" box="[562,710,758,784]" italics="true" pageId="137" pageNumber="138">R. sherborni</emphasis>
|
||
</taxonomicName>
|
||
, but unfortunately,
|
||
<bibRefCitation id="F42F81A6FF0CFF26FC779DC249040C26" author="White E. I." box="[945,1103,758,785]" pageId="137" pageNumber="138" pagination="1 - 82" refId="ref153851" refString="White E. I. 1926. Eocene fishes from Nigeria. Bulletin of the Geological Survey of Nigeria 10: 1 - 82. https: // doi. org / 10.1093 / oxfordjournals. afraf. a 100500" type="journal article" year="1926">White (1926)</bibRefCitation>
|
||
did not comment on the labial or lingual crown faces with respect to the presence or absence of wrinkling on
|
||
<taxonomicName id="57BE87D4FF0CFF26FB1F9C2E48240C04" authorityName="White" authorityYear="1926" box="[1241,1391,793,819]" class="Elasmobranchii" family="Myliobatidae" genus="Rhinoptera" kingdom="Animalia" order="Myliobatiformes" pageId="137" pageNumber="138" phylum="Chordata" rank="species" species="sherborni">
|
||
<emphasis id="A2CA2045FF0CFF26FB1F9C2E48240C04" box="[1241,1391,793,819]" italics="true" pageId="137" pageNumber="138">R. sherborni</emphasis>
|
||
</taxonomicName>
|
||
. Additionally, the specimens illustrated by
|
||
<bibRefCitation id="F42F81A6FF0CFF26FD759C084E070C61" author="White E. I." box="[691,844,828,854]" pageId="137" pageNumber="138" pagination="1 - 82" refId="ref153851" refString="White E. I. 1926. Eocene fishes from Nigeria. Bulletin of the Geological Survey of Nigeria 10: 1 - 82. https: // doi. org / 10.1093 / oxfordjournals. afraf. a 100500" type="journal article" year="1926">White (1926</bibRefCitation>
|
||
: pl. 10) are all shown in occlusal view and we cannot directly compare them to the Claiborne Group teeth. Although teeth that
|
||
<bibRefCitation id="F42F81A6FF0CFF26FB5E9C5448380C4C" author="Arambourg C." box="[1176,1395,864,891]" pageId="137" pageNumber="138" pagination="1 - 372" refId="ref136183" refString="Arambourg C. 1952. Les vertebres fossiles des gisements de phosphates (Maroc-Algerie-Tunisie). Notes et Memoires du Service geologique du Maroc 92: 1 - 372." type="journal article" year="1952">Arambourg (1952</bibRefCitation>
|
||
: pl. 32, figs 15–24) identified as
|
||
<taxonomicName id="57BE87D4FF0CFF26FD879CB04F9D0CAA" authorityName="White" authorityYear="1926" box="[577,726,899,925]" class="Elasmobranchii" family="Myliobatidae" genus="Rhinoptera" kingdom="Animalia" order="Myliobatiformes" pageId="137" pageNumber="138" phylum="Chordata" rank="species" species="sherborni">
|
||
<emphasis id="A2CA2045FF0CFF26FD879CB04F9D0CAA" box="[577,726,899,925]" italics="true" pageId="137" pageNumber="138">R. sherborni</emphasis>
|
||
</taxonomicName>
|
||
exhibit wrinkling on the vertical crown faces, the teeth are all worn, and the degree of variation is unknown. This, coupled with the high degree of variability observed in our sample, leads us to refrain from assigning the specimens in our sample to any particular species.
|
||
</paragraph>
|
||
<paragraph id="9001FC57FF0CFF26FF7B9B1B4E5F0B7E" blockId="137.[189,788,1071,1097]" box="[189,788,1071,1097]" pageId="137" pageNumber="138">
|
||
<heading id="CB494B3BFF0CFF26FF7B9B1B4E5F0B7E" bold="true" box="[189,788,1071,1097]" fontSize="11" level="3" pageId="137" pageNumber="138" reason="3">
|
||
<emphasis id="A2CA2045FF0CFF26FF7B9B1B4E5F0B7E" bold="true" box="[189,788,1071,1097]" pageId="137" pageNumber="138">
|
||
Stratigraphic and geographic range in
|
||
<collectingRegion id="527A32B5FF0CFF26FD649B1B4E5F0B7E" box="[674,788,1071,1097]" country="United States of America" name="Alabama" pageId="137" pageNumber="138">Alabama</collectingRegion>
|
||
</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="9001FC57FF0CFF26FF7B9B6A4F770A1E" blockId="137.[189,1398,1118,1321]" pageId="137" pageNumber="138">
|
||
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, the contact of the Tallahatta and
|
||
<collectingRegion id="527A32B5FF0CFF26FB449BB549980BAC" box="[1154,1235,1153,1179]" country="Portugal" name="Lisboa" pageId="137" pageNumber="138">Lisbon</collectingRegion>
|
||
formations at sites ACh-14, ACon-6, and ACov-11, the basal
|
||
<collectingRegion id="527A32B5FF0CFF26FD299B914E0B0B88" box="[751,832,1189,1215]" country="Portugal" name="Lisboa" pageId="137" pageNumber="138">Lisbon</collectingRegion>
|
||
Formation at site ACov-11, the “upper”
|
||
<collectingRegion id="527A32B5FF0CFF26FAE39B91483D0B88" box="[1317,1398,1189,1215]" country="Portugal" name="Lisboa" pageId="137" pageNumber="138">Lisbon</collectingRegion>
|
||
Formation at site ACh-8, the contact of the
|
||
<collectingRegion id="527A32B5FF0CFF26FD759BFC4E4F0BD5" box="[691,772,1224,1250]" country="Portugal" name="Lisboa" pageId="137" pageNumber="138">Lisbon</collectingRegion>
|
||
Formation and Gosport Sand at site AMo-4, the basal Gosport Sand at site ACl-4, and the Gosport Sand at sites ACl-15 and ACh-21. Upper Ypresian to middle Bartonian, zones NP12 to NP17.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |