treatments-xml/data/03/92/3C/03923C45FF89FF8030E4F94DFBD5157E.xml
2024-06-21 12:22:17 +02:00

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<document id="E2B3E43DFED2146BC84E8AD16229CBCB" ID-CLB-Dataset="7746" ID-DOI="10.5252/geodiversitas2021v43a5" ID-GBIF-Dataset="e42658a2-0e15-4e90-9bc5-0d00cbcbd781" ID-ISSN="1638-9395" ID-Zenodo-Dep="4605963" ID-ZooBank="urn:lsid:zoobank.org:pub:697FC553-E37B-4EF9-97A4-950E4DEE246C" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1615828395930" checkinUser="felipe" docAuthor="Zouhri, Samir, Gingerich, Philip D., Khalloufi, Bouziane, Bourdon, Estelle, Adnet, Sylvain, Jouve, Stéphane, Elboudali, Najia, Amane, Ayoub, Rage, Jean-Claude &amp; Tabuce, Rodolphe" docDate="2021" docId="03923C45FF89FF8030E4F94DFBD5157E" docLanguage="en" docName="Geodiversitas.43.5.121-150.pdf" docOrigin="Geodiversitas 43 (5)" docStyle="DocumentStyle:F830B10FF475E64C1F1601E3B32DDC00.4:Geodiversitas.2018-.journal_article" docStyleId="F830B10FF475E64C1F1601E3B32DDC00" docStyleName="Geodiversitas.2018-.journal_article" docStyleVersion="4" docTitle="Galeocerdo eaglesomei" docType="treatment" docVersion="8" lastPageNumber="127" masterDocId="FFAB443DFF81FF883018FFDFFF95166E" masterDocTitle="Middle Eocene vertebrate fauna from the Aridal Formation, Sabkha of Gueran, southwestern Morocco" masterLastPageNumber="150" masterPageNumber="121" pageNumber="127" updateTime="1698933443279" updateUser="ExternalLinkService" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0">
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<mods:title id="7B61FB24BECCFD48BF145456E0C00744">Middle Eocene vertebrate fauna from the Aridal Formation, Sabkha of Gueran, southwestern Morocco</mods:title>
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<mods:namePart id="5A33A538769EC7CC236581337F8627C5">Zouhri, Samir</mods:namePart>
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<mods:namePart id="93D6D398472CA93F2821CCB0B32499F3">Gingerich, Philip D.</mods:namePart>
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<mods:namePart id="74F2471353BBF67DA8027E50832525F6">Khalloufi, Bouziane</mods:namePart>
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<mods:namePart id="A944030989CC5015DD02706D37DA3EF3">Adnet, Sylvain</mods:namePart>
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<mods:namePart id="34B2D31DB9C3DC6FB63E7447A3ECC670">Jouve, Stéphane</mods:namePart>
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<mods:namePart id="0F9F9982C6587032EFAAA33E56128EA8">Elboudali, Najia</mods:namePart>
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<mods:namePart id="CC59030F4DD80970A92633F89EF95FA6">Amane, Ayoub</mods:namePart>
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<mods:namePart id="28C334BD449FB9D16ABBEB6EBE452625">Rage, Jean-Claude</mods:namePart>
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<mods:date id="D1E3920CAD029702AF184F1384687235">2021</mods:date>
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<treatment id="03923C45FF89FF8030E4F94DFBD5157E" ID-DOI="http://doi.org/10.5281/zenodo.4605823" ID-GBIF-Taxon="180569472" ID-Zenodo-Dep="4605823" LSID="urn:lsid:plazi:treatment:03923C45FF89FF8030E4F94DFBD5157E" httpUri="http://treatment.plazi.org/id/03923C45FF89FF8030E4F94DFBD5157E" lastPageNumber="127" pageId="8" pageNumber="127">
<subSubSection id="C321DED8FF89FF8030E4F94DFD1A10C3" box="[252,655,1682,1709]" pageId="8" pageNumber="127" type="nomenclature">
<paragraph id="8B848D53FF89FF8030E4F94DFD1A10C3" blockId="8.[252,655,1682,1709]" box="[252,655,1682,1709]" pageId="8" pageNumber="127">
<heading id="D0CC3A3FFF89FF8030E4F94DFD1A10C3" box="[252,655,1682,1709]" centered="true" fontSize="11" level="2" pageId="8" pageNumber="127" reason="2">
<taxonomicName id="4C3BF6D0FF89FF8030E4F94DFD1A10C3" authority="(White, 1955)" baseAuthorityName="White" baseAuthorityYear="1955" box="[252,655,1682,1709]" class="Elasmobranchii" family="Carcharhinidae" genus="Galeocerdo" kingdom="Animalia" order="Carcharhiniformes" pageId="8" pageNumber="127" phylum="Chordata" rank="species" species="eaglesomei">
<emphasis id="B94F5141FF89FF8030E4F94DFE7E10C3" bold="true" box="[252,491,1682,1709]" italics="true" pageId="8" pageNumber="127">Galeocerdo eaglesomei</emphasis>
(
<bibRefCitation id="EFAAF0A2FF89FF8031E2F94DFD1210C3" author="WHITE E. I." box="[506,647,1682,1709]" pageId="8" pageNumber="127" pagination="319 - 325" refId="ref26333" refString="WHITE E. I. 1955. - Notes on African Tertiary sharks. Colonial Geology and Mineral Resources 5: 319 - 325." type="journal article" year="1955">White, 1955</bibRefCitation>
)
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C321DED8FF89FF80309CF913FD991090" pageId="8" pageNumber="127" type="materials_examined">
<paragraph id="8B848D53FF89FF80309CF913FD991090" blockId="8.[132,775,1739,1790]" pageId="8" pageNumber="127">
EXAMINED MATERIAL. —
<materialsCitation id="3B53870EFF89FF803191F914FD991090" ID-GBIF-Occurrence="3053068310" pageId="8" pageNumber="127">Thirty isolated teeth, figured material includes FSAC Bouj-337, 338 and 339.</materialsCitation>
</paragraph>
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<subSubSection id="C321DED8FF89FF80309CF8EDFC6D17BE" pageId="8" pageNumber="127" type="description">
<paragraph id="8B848D53FF89FF80309CF8EDFE801124" blockId="8.[132,777,1842,2028]" box="[132,277,1842,1868]" pageId="8" pageNumber="127">DESCRIPTION</paragraph>
<paragraph id="8B848D53FF89FF80309CF88EFC6D17BE" blockId="8.[132,777,1842,2028]" lastBlockId="8.[811,1457,215,465]" pageId="8" pageNumber="127">
The African
<taxonomicName id="4C3BF6D0FF89FF80310AF88EFE621105" baseAuthorityName="White" baseAuthorityYear="1955" box="[274,503,1873,1899]" class="Elasmobranchii" family="Carcharhinidae" genus="Galeocerdo" kingdom="Animalia" order="Carcharhiniformes" pageId="8" pageNumber="127" phylum="Chordata" rank="species" species="eaglesomei">
<emphasis id="B94F5141FF89FF80310AF88EFE621105" box="[274,503,1873,1899]" italics="true" pageId="8" pageNumber="127">Galeocerdo eaglesomei</emphasis>
</taxonomicName>
is unfrequent compared to the contemporaneous and worldwide species
<taxonomicName id="4C3BF6D0FF89FF80328EF8ADFEB511C5" authority="Agassiz, 1843" authorityName="Agassiz" authorityYear="1843" class="Elasmobranchii" family="Carcharhinidae" genus="Galeocerdo" kingdom="Animalia" order="Carcharhiniformes" pageId="8" pageNumber="127" phylum="Chordata" rank="species" species="latidens">
<emphasis id="B94F5141FF89FF80328EF8ADFC9D11E5" box="[662,776,1905,1932]" italics="true" pageId="8" pageNumber="127">G. latidens</emphasis>
Agassiz, 1843
</taxonomicName>
. However,
<taxonomicName id="4C3BF6D0FF89FF8031BDF84DFDAC11C5" baseAuthorityName="White" baseAuthorityYear="1955" box="[421,569,1937,1964]" class="Elasmobranchii" family="Carcharhinidae" genus="Galeocerdo" kingdom="Animalia" order="Carcharhiniformes" pageId="8" pageNumber="127" phylum="Chordata" rank="species" species="eaglesomei">
<emphasis id="B94F5141FF89FF8031BDF84DFDAC11C5" box="[421,569,1937,1964]" italics="true" pageId="8" pageNumber="127">G. eaglesomei</emphasis>
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differs from it by teeth with a higher crown, a longer and abrupt distal heel without distinct notch with main cusp, with more numerous and larger denticles and with a deeper basal medial concavity of the root deeper. Our teeth (
<figureCitation id="130091D6FF89FF803487FF28FB4B177F" box="[1183,1246,247,273]" captionStart="FIG" captionStartId="9.[132,143,1751,1768]" captionTargetBox="[132,1455,215,1708]" captionTargetId="figure-89@9.[698,1267,774,1335]" captionTargetPageId="9" captionText="FIG. 3. — Elasmobranchii from Sabkha of Gueran collected around the Archaeocete whale carcasses.(A-F) Tethylamna cf.twiggsensis: A, FSAC Bouj-331 anterior lower tooth in labial view; B, FSAC Bouj-332 anterolateral lower tooth in labial view; C, FSAC Bouj-333 lateral lower tooth in (C1) labial and (C2) lingual views; D, FSAC Bouj-334 posterior lower tooth in labial view; E, FSAC Bouj-335 lateral lower tooth in (E1) labial and (E2) lingual views; F, FSAC Bouj-336 anterior upper tooth in (F1) labial and (F2) lingual views. G-I, Galeocerdo cf. eaglesomei; G, FSAC Bouj-337 anterior tooth in (G1) labial and (G2) lingual views; H, FSAC Bouj- 338 anterolateral tooth in lingual view; I, FSAC Bouj-339 lateral tooth in (I1) labial and (I2) lingual views. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.4605969" httpUri="https://zenodo.org/record/4605969/files/figure.png" pageId="8" pageNumber="127">Fig. 3</figureCitation>
G-I), as those from the Lower Priabonian of SA, southwestern
<collectingCountry id="F32CCDC3FF89FF8034E5FEC7FACB175C" box="[1277,1374,280,306]" name="Morocco" pageId="8" pageNumber="127">Morocco</collectingCountry>
(
<bibRefCitation id="EFAAF0A2FF89FF803575FEC8FC34173F" author="ADNET S. &amp; CAPPETTA H. &amp; TABUCE R." pageId="8" pageNumber="127" pagination="860 - 870" refId="ref18939" refString="ADNET S., CAPPETTA H. &amp; TABUCE R. 2010. - A middle-late Eocene vertebrate fauna (marine fish and mammals) from southwestern Morocco preliminary report: age and palaeobiogeographical implications. Geological Magazine 147: 860 - 870. https: // doi. org / 10.1017 / s 0016756810000348" type="journal article" year="2010">
Adnet
<emphasis id="B94F5141FF89FF803335FEE7FCF4173F" box="[813,865,311,337]" italics="true" pageId="8" pageNumber="127">et al.</emphasis>
2010
</bibRefCitation>
), are relatively larger and display a much higher crown compared to the Lutetian specimens, which makes it possible to provisionally assign these to
<taxonomicName id="4C3BF6D0FF89FF8034E5FEA8FA1C17FF" baseAuthorityName="White" baseAuthorityYear="1955" box="[1277,1417,375,401]" class="Elasmobranchii" family="Carcharhinidae" genus="Galeocerdo" kingdom="Animalia" order="Carcharhiniformes" pageId="8" pageNumber="127" phylum="Chordata" rank="species" species="eaglesomei">
<emphasis id="B94F5141FF89FF8034E5FEA8FA1C17FF" box="[1277,1417,375,401]" italics="true" pageId="8" pageNumber="127">G. eaglesomei</emphasis>
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, to which the youngest specimens from Southwestern
<collectingCountry id="F32CCDC3FF89FF803548FE48FA2417DF" box="[1360,1457,407,433]" name="Morocco" pageId="8" pageNumber="127">Morocco</collectingCountry>
are likely affiliated.
</paragraph>
</subSubSection>
<subSubSection id="C321DED8FF89FF803335FE28FBD5157E" pageId="8" pageNumber="127" type="discussion">
<paragraph id="8B848D53FF89FF803335FE28FC041461" blockId="8.[813,1456,503,784]" box="[813,913,503,529]" pageId="8" pageNumber="127">REMARKS</paragraph>
<paragraph id="8B848D53FF89FF803335FDC9FBD5157E" blockId="8.[813,1456,503,784]" pageId="8" pageNumber="127">
Relatively scarce teeth of
<taxonomicName id="4C3BF6D0FF89FF80345CFDC9FADC145E" baseAuthorityName="White" baseAuthorityYear="1955" box="[1092,1353,534,560]" class="Elasmobranchii" family="Carcharhinidae" genus="Galeocerdo" kingdom="Animalia" order="Carcharhiniformes" pageId="8" pageNumber="127" phylum="Chordata" rank="species" species="eaglesomei">
<emphasis id="B94F5141FF89FF80345CFDC9FB21145E" box="[1092,1204,534,560]" italics="true" pageId="8" pageNumber="127">Galeocerdo</emphasis>
cf.
<emphasis id="B94F5141FF89FF8034C7FDC9FADC145E" box="[1247,1353,534,560]" italics="true" pageId="8" pageNumber="127">eaglesomei</emphasis>
</taxonomicName>
are quite similar in shape to
<taxonomicName id="4C3BF6D0FF89FF80341DFDE9FB01143E" baseAuthorityName="White" baseAuthorityYear="1955" box="[1029,1172,566,592]" class="Elasmobranchii" family="Carcharhinidae" genus="Galeocerdo" kingdom="Animalia" order="Carcharhiniformes" pageId="8" pageNumber="127" phylum="Chordata" rank="species" species="eaglesomei">
<emphasis id="B94F5141FF89FF80341DFDE9FB01143E" box="[1029,1172,566,592]" italics="true" pageId="8" pageNumber="127">G. eaglesomei</emphasis>
</taxonomicName>
from the late Lutetian of
<collectingCountry id="F32CCDC3FF89FF803336FD89FC17141E" box="[814,898,598,624]" name="Nigeria" pageId="8" pageNumber="127">Nigeria</collectingCountry>
(
<bibRefCitation id="EFAAF0A2FF89FF80338CFD89FBAF141E" author="ANDREWS C. W." box="[916,1082,598,624]" pageId="8" pageNumber="127" pagination="309 - 319" refId="ref19134" refString="ANDREWS C. W. 1920. - A description of new species of zeuglodont and of leathery turtle from the Eocene of Southern Nigeria. Proceedings of the Zoological Society of London 89: 309 - 319. https: // doi. org / 10.1111 / j. 1096 - 3642.1919. tb 02124" type="journal article" year="1920">Andrews 1920</bibRefCitation>
), the Lutetian-Bartonian of GA (
<bibRefCitation id="EFAAF0A2FF89FF80332EFDA9FB9F14FE" author="STROUGO A. &amp; CAPPETTA H. &amp; ELNAHAS S." box="[822,1034,630,656]" pageId="8" pageNumber="127" pagination="81 - 98" refId="ref25587" refString="STROUGO A., CAPPETTA H. &amp; ELNAHAS S. 2007. - A remarkable Eocene ichthyofauna from the El Gedidia glauconitic sandstone, Bahariya oasis, Egypt, and its stratigraphic implications. MERC Ain Shams University, Earth Science Series 21: 81 - 98." type="book chapter" year="2007">
Strougo
<emphasis id="B94F5141FF89FF80338CFDA8FC5F14FE" box="[916,970,630,656]" italics="true" pageId="8" pageNumber="127">et al.</emphasis>
2007
</bibRefCitation>
), the middle to late Eocene of
<collectingCountry id="F32CCDC3FF89FF803570FDA9FCFB14DE" name="Madagascar" pageId="8" pageNumber="127">Madagascar</collectingCountry>
(
<bibRefCitation id="EFAAF0A2FF89FF803366FD49FBCE14DE" author="SAMONDS K. E. &amp; ANDRIANAVALONA T. H. &amp; WALLETT L. A. &amp; ZALMOUT I. S. &amp; WARD D. J." box="[894,1115,662,688]" pageId="8" pageNumber="127" pagination="0211789" refId="ref25248" refString="SAMONDS K. E., ANDRIANAVALONA T. H., WALLETT L. A., ZALMOUT I. S. &amp; WARD D. J. 2019. - A middle-late Eocene neoselachian assemblage from nearshore marine deposits, Mahajanga Basin, northwestern Madagascar. PLoS ONE 14 (2): e 0211789. https: // doi. org / 10.1371 / journal. pone. 0211789" type="journal article" year="2019">
Samonds
<emphasis id="B94F5141FF89FF8033F0FD49FB8914DE" box="[1000,1052,662,688]" italics="true" pageId="8" pageNumber="127">et al.</emphasis>
2019
</bibRefCitation>
) and to those recovered in MI,
<collectingCountry id="F32CCDC3FF89FF803335FD69FCE514BE" box="[813,880,694,720]" name="Egypt" pageId="8" pageNumber="127">Egypt</collectingCountry>
, where it is one of the most conspicuous elements of the uppermost Lutetian-lowermost Bartonian assemblage (
<bibRefCitation id="EFAAF0A2FF89FF80332EFD2AFBA51561" author="UNDERWOOD C. J. &amp; WARD D. J. &amp; KING C. &amp; ANTAR S. M. &amp; MOUT I. S. &amp; GINGERICH P. D." box="[822,1072,757,783]" pageId="8" pageNumber="127" pagination="47 - 66" refId="ref26062" refString="UNDERWOOD C. J., WARD D. J., KING C., ANTAR S. M., ZAL- MOUT I. S. &amp; GINGERICH P. D. 2011. - Shark and ray faunas in the middle and late Eocene of the Fayum area, Egypt. Proceedings of the Geologists' Association 122: 47 - 66. https: // doi. org / 10.1016 / j. pgeola. 20" type="journal article" year="2011">
Underwood
<emphasis id="B94F5141FF89FF8033A6FD29FC671561" box="[958,1010,757,783]" italics="true" pageId="8" pageNumber="127">et al.</emphasis>
2011
</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
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