403 lines
46 KiB
XML
403 lines
46 KiB
XML
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<mods:title id="B4B1B8DB3C2CD6A6F5B0EBE4010CA227">Morphology and phylogenetic relationships of the earliest known hippopotamids (Cetartiodactyla, Hippopotamidae, Kenyapotaminae)</mods:title>
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<mods:namePart id="C43309EB868FECB61722FDBD0E912502">Boisserie, Jean-Renaud</mods:namePart>
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<mods:namePart id="696434B01E3424AE8386B6DA4C108D5B">Lihoreau, Fabrice</mods:namePart>
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<mods:namePart id="CA6BEC3C45F2B613D6EF87C9B1482850">Orliac, Maeva</mods:namePart>
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<mods:namePart id="086972DE740885AB43A2DDA55AC2C96E">Fisher, Rebecca E.</mods:namePart>
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<mods:namePart id="563C96BE3BAAC4A112FA0E4F3A82F277">Weston, Eleanor M.</mods:namePart>
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<mods:namePart id="983E0375679A6CB33F4DE9A609BCA82F">Ducrocq, Stéphane</mods:namePart>
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<mods:title id="0D0B68A9C5B5195DA6C86FC3FB857427">Zoological Journal of the Linnean Society</mods:title>
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<mods:date id="CA5B3A8E0619087735CB359563FC6BF0">2010</mods:date>
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<mods:number id="7F3FF5A72387BE0057572C33B0841385">2010-10-28</mods:number>
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<mods:number id="EC308627EAC029653DCC1302FC96EACB">158</mods:number>
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<mods:identifier id="FD3276890C1EE7855FAACB2ADE483791" type="DOI">10.1111/j.1096-3642.2009.00548.x</mods:identifier>
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<treatment id="03808792FFB8FF93FCB40F4F961BFCF9" LSID="urn:lsid:plazi:treatment:03808792FFB8FF93FCB40F4F961BFCF9" httpUri="http://treatment.plazi.org/id/03808792FFB8FF93FCB40F4F961BFCF9" lastPageId="21" lastPageNumber="346" pageId="20" pageNumber="345">
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<subSubSection id="C333650FFFB8FF92FCB40F4F978EFE36" pageId="20" pageNumber="345" type="nomenclature">
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<paragraph id="8B963684FFB8FF92FCB40F4F9764FEEB" blockId="20.[844,1383,311,333]" box="[844,1383,311,333]" pageId="20" pageNumber="345">
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<heading id="D0DE81E8FFB8FF92FCB40F4F9764FEEB" box="[844,1383,311,333]" centered="true" fontSize="8" level="2" pageId="20" pageNumber="345" reason="8">
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<taxonomicName id="4C294D07FFB8FF92FCB40F4F96A1FEEC" authorityName=", KNM-BN" authorityYear="1621" box="[844,1186,312,333]" class="Mammalia" family="Hippopotamidae" genus="Kenyapotamus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="20" pageNumber="338" phylum="Chordata" rank="species" species="coryndonae">
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<emphasis id="B95DEA96FFB8FF92FCB40F4F96A1FEEC" box="[844,1186,312,333]" italics="true" pageId="20" pageNumber="345">KENYAPOTAMUS CORYNDONAE</emphasis>
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</taxonomicName>
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<bibRefCitation id="EFB84B75FFB8FF92FB550F409764FEEB" author="Pickford M" box="[1197,1383,311,332]" pageId="20" pageNumber="345" pagination="193 - 217" refId="ref26798" refString="Pickford M. 1983. On the origins of Hippopotamidae together with descriptions of two species, a new genus and a new subfamily from the Miocene of Kenya. Geobios 16: 193 - 217." type="journal article" year="1983">PICKFORD, 1983</bibRefCitation>
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</heading>
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</paragraph>
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<paragraph id="8B963684FFB8FF92FCDE0F29978EFE36" blockId="20.[806,1421,349,586]" pageId="20" pageNumber="345">
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‘creature very close to the basal stock from which true hippopotamus was derived’;
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<bibRefCitation id="EFB84B75FFB8FF92FB710F0B978AFE36" author="Coryndon SC" box="[1161,1417,380,402]" pageId="20" pageNumber="345" pagination="279 - 292" refId="ref24396" refString="Coryndon SC. 1978 a. Fossil Hippopotamidae from the Baringo Basin and relationships within the Gregory Rift, Kenya. In: Bishop WW, ed. Geological background to fossil man. Edinburgh: Scottish Academic Press, 279 - 292." type="book chapter" year="1978">Coryndon, 1978a: 291</bibRefCitation>
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.
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||
</paragraph>
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||
</subSubSection>
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<subSubSection id="C333650FFFB8FF92FCDE0FEC96B1FE69" pageId="20" pageNumber="345" type="description">
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<paragraph id="8B963684FFB8FF92FCDE0FEC96B1FE69" blockId="20.[806,1421,349,586]" pageId="20" pageNumber="345">
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‘a genus of the
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<taxonomicName id="4C294D07FFB8FF92FC0B0FEC9642FE16" baseAuthorityName="Harris & Liu" baseAuthorityYear="2007" box="[1011,1089,411,433]" class="Mammalia" family="Suidae" kingdom="Animalia" order="Artiodactyla" pageId="20" pageNumber="345" phylum="Chordata" rank="family">Suidae</taxonomicName>
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similar to
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<taxonomicName id="4C294D07FFB8FF92FB2F0FEC9782FE17" authorityName="Arambourg" authorityYear="1933" box="[1239,1409,411,432]" class="Mammalia" family="Suidae" genus="Bunolistriodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="20" pageNumber="345" phylum="Chordata" rank="genus">
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<emphasis id="B95DEA96FFB8FF92FB2F0FEC9782FE17" box="[1239,1409,411,432]" italics="true" pageId="20" pageNumber="345">Bunolistriodon</emphasis>
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</taxonomicName>
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’; Coryndon, 1978: 291, fig. 18:7B.
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</paragraph>
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</subSubSection>
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<subSubSection id="C333650FFFB8FF92FCDE0FAE9754FD8C" pageId="20" pageNumber="345" type="reference_group">
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<paragraph id="8B963684FFB8FF92FCDE0FAE973EFDAA" blockId="20.[806,1421,349,586]" pageId="20" pageNumber="345">
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<treatmentCitationGroup id="AB3911AAFFB8FF92FCDE0FAE973EFDAA" pageId="20" pageNumber="345">
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<taxonomicName id="4C294D07FFB8FF92FCDE0FAE964EFE4A" authorityName="Pickford" authorityYear="1983" box="[806,1101,472,494]" class="Mammalia" family="Hippopotamidae" genus="Kenyapotamus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="20" pageNumber="345" phylum="Chordata" rank="species" species="coryndoni">
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<emphasis id="B95DEA96FFB8FF92FCDE0FAE964EFE4A" box="[806,1101,472,494]" italics="true" pageId="20" pageNumber="345">Kenyapotamus coryndoni</emphasis>
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</taxonomicName>
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;
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<treatmentCitation id="0A881095FFB8FF92FB9C0FAF978AFE49" author="Pickford M" box="[1124,1417,472,494]" page="195" pageId="20" pageNumber="345" year="1983">
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<bibRefCitation id="EFB84B75FFB8FF92FB9C0FAF978AFE49" author="Pickford M" box="[1124,1417,472,494]" pageId="20" pageNumber="345" pagination="193 - 217" refId="ref26798" refString="Pickford M. 1983. On the origins of Hippopotamidae together with descriptions of two species, a new genus and a new subfamily from the Miocene of Kenya. Geobios 16: 193 - 217." type="journal article" year="1983">Pickford, 1983: 195–202</bibRefCitation>
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||
</treatmentCitation>
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||
, figs 3–12, pl. 1 (figs 1, 2, 4), pl. 2 (figs 1, 2).
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</treatmentCitationGroup>
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</paragraph>
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||
<paragraph id="8B963684FFB8FF92FCDE0C619754FD8C" blockId="20.[806,1421,349,586]" box="[806,1367,533,555]" pageId="20" pageNumber="345">
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<taxonomicName id="4C294D07FFB8FF92FCDE0C61964BFD8D" authorityName="Pickford" authorityYear="1983" box="[806,1096,533,555]" class="Mammalia" family="Hippopotamidae" genus="Kenyapotamus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="20" pageNumber="345" phylum="Chordata" rank="species" species="coryndoni">
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<emphasis id="B95DEA96FFB8FF92FCDE0C61964BFD8D" box="[806,1096,533,555]" italics="true" pageId="20" pageNumber="345">Kenyapotamus coryndoni</emphasis>
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</taxonomicName>
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;
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<bibRefCitation id="EFB84B75FFB8FF92FBA10C629701FD8D" author="Pickford M" box="[1113,1282,533,555]" pageId="20" pageNumber="345" pagination="277 - 283" refId="ref26857" refString="Pickford M. 1990. Decouverte de Kenyapotamus en Tunisie. Annales de Paleontologie 76: 277 - 283." type="journal article" year="1990">Pickford, 1990</bibRefCitation>
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: tab. I.
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</paragraph>
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||
</subSubSection>
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<subSubSection id="C333650FFFB8FF93FCDE0C43961BFCF9" lastPageId="21" lastPageNumber="346" pageId="20" pageNumber="345" type="description">
|
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<paragraph id="8B963684FFB8FF92FCDE0C4396FBFDEE" blockId="20.[806,1421,349,586]" box="[806,1272,564,586]" pageId="20" pageNumber="345">
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||
<taxonomicName id="4C294D07FFB8FF92FCDE0C4391F9FDEE" box="[806,1018,564,585]" class="Mammalia" family="Hippopotamidae" genus="Kenyapotamus" kingdom="Animalia" order="Artiodactyla" pageId="20" pageNumber="345" phylum="Chordata" rank="species" species="undetermined">
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<emphasis id="B95DEA96FFB8FF92FCDE0C4391CDFDEE" box="[806,974,564,585]" italics="true" pageId="20" pageNumber="345">Kenyapotamus</emphasis>
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sp.
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</taxonomicName>
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;
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<bibRefCitation id="EFB84B75FFB8FF92FBF10C4396B0FDEE" author="Pickford M" box="[1033,1203,564,586]" pageId="20" pageNumber="345" pagination="277 - 283" refId="ref26857" refString="Pickford M. 1990. Decouverte de Kenyapotamus en Tunisie. Annales de Paleontologie 76: 277 - 283." type="journal article" year="1990">Pickford, 1990</bibRefCitation>
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: pl. I.
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</paragraph>
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<paragraph id="8B963684FFB8FF92FCDE0C0E91FAFD4C" blockId="20.[806,1421,633,747]" pageId="20" pageNumber="345">
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<emphasis id="B95DEA96FFB8FF92FCDE0C0E9636FD29" box="[806,1077,633,654]" italics="true" pageId="20" pageNumber="345">Nomenclatural remark:</emphasis>
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We followed Weston & Boisserie (in press) here and used a feminized species name, this species being named after a woman, Shirley Coryndon.
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</paragraph>
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<paragraph id="8B963684FFB8FF92FCDE0D6D9644FCCA" blockId="20.[806,1421,794,877]" pageId="20" pageNumber="345">
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<emphasis id="B95DEA96FFB8FF92FCDE0D6D9654FC88" box="[806,1111,794,815]" italics="true" pageId="20" pageNumber="345">Geographical distribution:</emphasis>
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Kenyan Rift,
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<collectingCountry id="F33E7614FFB8FF92FAFE0D6D9751FC88" box="[1286,1362,794,815]" name="Kenya" pageId="20" pageNumber="345">Kenya</collectingCountry>
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, and
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<collectingRegion id="49EDF866FFB8FF92FCDE0D4F915AFCE9" box="[806,857,824,846]" country="Ethiopia" name="Afar" pageId="20" pageNumber="345">Afar</collectingRegion>
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depression,
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<collectingCountry id="F33E7614FFB8FF92FC060D4F9660FCE9" box="[1022,1123,824,846]" name="Ethiopia" pageId="20" pageNumber="345">Ethiopia</collectingCountry>
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, eastern Africa; central
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<collectingCountry id="F33E7614FFB8FF92FCDE0D20917DFCCA" box="[806,894,855,877]" name="Tunisia" pageId="20" pageNumber="345">Tunisia</collectingCountry>
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, northern Africa.
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</paragraph>
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<paragraph id="8B963684FFB8FF92FCDE0DEB965CFC77" blockId="20.[806,1420,924,977]" pageId="20" pageNumber="345">
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<emphasis id="B95DEA96FFB8FF92FCDE0DEB963DFC16" box="[806,1086,924,945]" italics="true" pageId="20" pageNumber="345">Temporal distribution:</emphasis>
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Late Miocene, roughly between 10.5 and 8.5 Mya.
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</paragraph>
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<paragraph id="8B963684FFB8FF92FCDE0A779180F8C9" blockId="20.[806,1421,1024,1903]" pageId="20" pageNumber="345">
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<emphasis id="B95DEA96FFB8FF92FCDE0A779609FBB2" box="[806,1034,1024,1045]" italics="true" pageId="20" pageNumber="345">Attributed material:</emphasis>
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<materialsCitation id="3B413CD9FFB8FF92FBEA0A77917EF8C9" location="Hills" pageId="20" pageNumber="345" specimenCount="2" stateProvince="Samburu" typeStatus="holotype">
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Nakali: KNM-NA 187 (distal half of right M
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<subScript id="17AD34C1FFB8FF92FC660A5E91A5FB92" attach="right" box="[926,934,1065,1077]" fontSize="5" pageId="20" pageNumber="345">3</subScript>
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)
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<superScript id="7C5C9BCCFFB8FF92FC560A6A91B6FB8E" attach="none" box="[942,949,1053,1065]" fontSize="5" pageId="20" pageNumber="345">†</superScript>
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; KNM-NA 188 (right M
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<superScript id="7C5C9BCCFFB8FF92FB370A6A96D4FB8E" attach="right" box="[1231,1239,1053,1065]" fontSize="5" pageId="20" pageNumber="345">1</superScript>
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); KNM-NA 192 (distal half of right lower molar); KNM-NA 194 (right lower premolar, most probably P
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<subScript id="17AD34C1FFB8FF92FB380A1196CBFBD5" attach="left" box="[1216,1224,1126,1138]" fontSize="5" pageId="20" pageNumber="345">4</subScript>
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); KNM-NA 203 (right P
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<subScript id="17AD34C1FFB8FF92FC860AF39185FB37" attach="left" box="[894,902,1156,1168]" fontSize="5" pageId="20" pageNumber="345">3</subScript>
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or, maybe, P
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<subScript id="17AD34C1FFB8FF92FBE10AF39622FB37" attach="right" box="[1049,1057,1156,1168]" fontSize="5" pageId="20" pageNumber="345">4</subScript>
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); KNM-NA 246 (right mandibular corpus with P
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<subScript id="17AD34C1FFB8FF92FBF70AD49614FB08" attach="right" box="[1039,1047,1187,1199]" fontSize="5" pageId="20" pageNumber="345">4</subScript>
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, M
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<subScript id="17AD34C1FFB8FF92FBB00AD49653FB08" attach="left" box="[1096,1104,1187,1199]" fontSize="5" pageId="20" pageNumber="345">1</subScript>
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, distal half of M
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<subScript id="17AD34C1FFB8FF92FAC40AD49747FB08" attach="left" box="[1340,1348,1187,1199]" fontSize="5" pageId="20" pageNumber="345">2</subScript>
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, M
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<subScript id="17AD34C1FFB8FF92FA8E0AD4977DFB08" attach="left" box="[1398,1406,1187,1199]" fontSize="5" pageId="20" pageNumber="345">3</subScript>
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); KNM-NA 247 (apical fragment of lower incisor). Ngeringerowa: KNM-BN 1289 (lower incisor fragment); KNM-BN 1320 (fragmentary right M
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<subScript id="17AD34C1FFB8FF92FAE80A88971BFAAC" attach="left" box="[1296,1304,1279,1291]" fontSize="5" pageId="20" pageNumber="345">1</subScript>
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or M
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<subScript id="17AD34C1FFB8FF92FA8E0A88977DFAAC" attach="left" box="[1398,1406,1279,1291]" fontSize="5" pageId="20" pageNumber="345">2</subScript>
|
||
); KNM-BN 1321 (right M
|
||
<superScript id="7C5C9BCCFFB8FF92FBBA0B669649FABA" attach="left" box="[1090,1098,1297,1309]" fontSize="5" pageId="20" pageNumber="345">3</superScript>
|
||
–
|
||
<typeStatus id="54928826FFB8FF92FB950B6496CDFA8E" box="[1133,1230,1299,1321]" pageId="20" pageNumber="345" type="holotype">holotype</typeStatus>
|
||
with BN 2075); KNM-BN 1322 (fragmentary right M
|
||
<superScript id="7C5C9BCCFFB8FF92FB0F0B4796FCFA9B" attach="left" box="[1271,1279,1328,1340]" fontSize="5" pageId="20" pageNumber="345">1</superScript>
|
||
); KNM-BN 1323 (distal half of lower premolar); KNM-BN 1483/ 1487 (right P
|
||
<subScript id="17AD34C1FFB8FF92FC390B0E91CAFA22" attach="left" box="[961,969,1401,1413]" fontSize="5" pageId="20" pageNumber="345">2</subScript>
|
||
); KNM-BN 1489 (distal half of left M
|
||
<subScript id="17AD34C1FFB8FF92FA7D0B0E978EFA22" attach="left" box="[1413,1421,1401,1413]" fontSize="5" pageId="20" pageNumber="345">1</subScript>
|
||
or M
|
||
<subScript id="17AD34C1FFB8FF92FCA40BEF9167FA03" attach="left" box="[860,868,1432,1444]" fontSize="5" pageId="20" pageNumber="345">2</subScript>
|
||
); KNM-BN 1490 (right P
|
||
<subScript id="17AD34C1FFB8FF92FB7D0BEF968EFA03" attach="left" box="[1157,1165,1432,1444]" fontSize="5" pageId="20" pageNumber="345">2</subScript>
|
||
or P
|
||
<subScript id="17AD34C1FFB8FF92FB3C0BEF96CFFA03" attach="right" box="[1220,1228,1432,1444]" fontSize="5" pageId="20" pageNumber="345">3</subScript>
|
||
); KNM-BN 1492 (right P
|
||
<superScript id="7C5C9BCCFFB8FF92FC7C0BDD918FFA11" attach="left" box="[900,908,1450,1462]" fontSize="5" pageId="20" pageNumber="345">2</superScript>
|
||
)
|
||
<superScript id="7C5C9BCCFFB8FF92FC6D0BDD919FFA11" attach="none" box="[917,924,1450,1462]" fontSize="5" pageId="20" pageNumber="345">†</superScript>
|
||
; KNM-BN 1493 (left P
|
||
<superScript id="7C5C9BCCFFB8FF92FB410BDD96C2FA11" attach="right" box="[1209,1217,1450,1462]" fontSize="5" pageId="20" pageNumber="345">4</superScript>
|
||
); KNM-BN 1494 (fragmentary palate with left M
|
||
<superScript id="7C5C9BCCFFB8FF92FB450BBE96C6FA72" attach="left" box="[1213,1221,1481,1493]" fontSize="5" pageId="20" pageNumber="345">1</superScript>
|
||
and right M
|
||
<superScript id="7C5C9BCCFFB8FF92FA8E0BBE977DFA72" attach="left" box="[1398,1406,1481,1493]" fontSize="5" pageId="20" pageNumber="345">2</superScript>
|
||
); KNM-BN 1715 (left P
|
||
<superScript id="7C5C9BCCFFB8FF92FBCA0B9F9639FA53" attach="left" box="[1074,1082,1512,1524]" fontSize="5" pageId="20" pageNumber="345">3</superScript>
|
||
); KNM-BN 1717 (right P
|
||
<superScript id="7C5C9BCCFFB8FF92FA8E0B9F977DFA53" attach="right" box="[1398,1406,1512,1524]" fontSize="5" pageId="20" pageNumber="345">1</superScript>
|
||
); KNM-BN 1802 (left P
|
||
<superScript id="7C5C9BCCFFB8FF92FBDA08719629F9B5" attach="right" box="[1058,1066,1542,1554]" fontSize="5" pageId="20" pageNumber="345">4</superScript>
|
||
); KNM-BN 2075 (fragmentary right M
|
||
<superScript id="7C5C9BCCFFB8FF92FC790852918AF996" attach="left" box="[897,905,1573,1585]" fontSize="5" pageId="20" pageNumber="345">2</superScript>
|
||
–
|
||
<typeStatus id="54928826FFB8FF92FC550850960DF99A" box="[941,1038,1575,1597]" pageId="20" pageNumber="345" type="holotype">holotype</typeStatus>
|
||
with BN 1321).
|
||
<collectingRegion id="49EDF866FFB8FF92FB2208509747F99A" box="[1242,1348,1575,1597]" country="Kenya" name="Samburu" pageId="20" pageNumber="345">Samburu</collectingRegion>
|
||
<location id="8EF6605FFFB8FF92FAB70850978AF99A" LSID="urn:lsid:plazi:treatment:03808792FFB8FF93FCB40F4F961BFCF9:8EF6605FFFB8FF92FAB70850978AF99A" box="[1359,1417,1575,1597]" name="Hills" pageId="20" pageNumber="345" stateProvince="Samburu">Hills</location>
|
||
: KNM-SH 14789 (fragmentary left mandibular corpus with M
|
||
<subScript id="17AD34C1FFB8FF92FC8008199183F9DD" attach="left" box="[888,896,1646,1658]" fontSize="5" pageId="20" pageNumber="345">1</subScript>
|
||
or, less likely, M
|
||
<subScript id="17AD34C1FFB8FF92FBB90819964AF9DD" attach="right" box="[1089,1097,1646,1658]" fontSize="5" pageId="20" pageNumber="345">2</subScript>
|
||
); KNM-SH 14792 (fragmentary left mandibular corpus with M
|
||
<subScript id="17AD34C1FFB8FF92FB2E08FA96DDF93E" attach="left" box="[1238,1246,1677,1689]" fontSize="5" pageId="20" pageNumber="345">1</subScript>
|
||
and emerging M
|
||
<subScript id="17AD34C1FFB8FF92FCC508DC9146F910" attach="left" box="[829,837,1707,1719]" fontSize="5" pageId="20" pageNumber="345">2</subScript>
|
||
); KNM-SH 15850 (right M
|
||
<superScript id="7C5C9BCCFFB8FF92FB8708E896B6F90C" attach="left" box="[1151,1205,1695,1707]" fontSize="5" pageId="20" pageNumber="345">1 or 2?</superScript>
|
||
)
|
||
<superScript id="7C5C9BCCFFB8FF92FB4608E896C6F90C" attach="none" box="[1214,1221,1695,1707]" fontSize="5" pageId="20" pageNumber="345">†</superScript>
|
||
; KNM-SH 15851 (left M
|
||
<superScript id="7C5C9BCCFFB8FF92FC8608C99185F96D" attach="right" box="[894,902,1726,1738]" fontSize="5" pageId="20" pageNumber="345">1</superScript>
|
||
); KNM-SH 15857 (fragmentary mandible with: two canine fragments, left P
|
||
<subScript id="17AD34C1FFB8FF92FB43089F96C0F953" attach="right" box="[1211,1219,1768,1780]" fontSize="5" pageId="20" pageNumber="345">3</subScript>
|
||
, P
|
||
<subScript id="17AD34C1FFB8FF92FB1D089F96EEF953" attach="right" box="[1253,1261,1768,1780]" fontSize="5" pageId="20" pageNumber="345">4</subScript>
|
||
, fragmentary M
|
||
<subScript id="17AD34C1FFB8FF92FCC509709146F8B4" attach="left" box="[829,837,1799,1811]" fontSize="5" pageId="20" pageNumber="345">1</subScript>
|
||
, M
|
||
<subScript id="17AD34C1FFB8FF92FC9709709174F8B4" attach="left" box="[879,887,1799,1811]" fontSize="5" pageId="20" pageNumber="345">2</subScript>
|
||
, M
|
||
<subScript id="17AD34C1FFB8FF92FC59097091AAF8B4" attach="left" box="[929,937,1799,1811]" fontSize="5" pageId="20" pageNumber="345">3</subScript>
|
||
; fragmentary right P
|
||
<subScript id="17AD34C1FFB8FF92FB52097096B1F8B4" attach="left" box="[1194,1202,1799,1811]" fontSize="5" pageId="20" pageNumber="345">3</subScript>
|
||
, P
|
||
<subScript id="17AD34C1FFB8FF92FB2D097096DEF8B4" attach="left" box="[1237,1245,1799,1811]" fontSize="5" pageId="20" pageNumber="345">4</subScript>
|
||
, M
|
||
<subScript id="17AD34C1FFB8FF92FAFF0970970CF8B4" attach="left" box="[1287,1295,1799,1811]" fontSize="5" pageId="20" pageNumber="345">1</subScript>
|
||
, M
|
||
<subScript id="17AD34C1FFB8FF92FAC109709742F8B4" attach="right" box="[1337,1345,1799,1811]" fontSize="5" pageId="20" pageNumber="345">2</subScript>
|
||
, M
|
||
<subScript id="17AD34C1FFB8FF92FA9209709771F8B4" attach="left" box="[1386,1394,1799,1811]" fontSize="5" pageId="20" pageNumber="345">3</subScript>
|
||
); KNM-SH 18001 (fragmentary upper molar); KNM-SH 40142 (fragmentary right mandibular corpus with P
|
||
<subScript id="17AD34C1FFB8FF92FA7D0933978EF8F7" attach="right" box="[1413,1421,1860,1872]" fontSize="5" pageId="20" pageNumber="345">3</subScript>
|
||
and P
|
||
<subScript id="17AD34C1FFB8FF92FC9309149170F8C8" attach="left" box="[875,883,1891,1903]" fontSize="5" pageId="20" pageNumber="345">4</subScript>
|
||
)
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B963684FFB9FF93FF5C0EB1936AFE34" blockId="21.[164,779,198,403]" pageId="21" pageNumber="346">
|
||
<emphasis id="B95DEA96FFB9FF93FF5C0EB1938EFF7C" box="[164,397,198,219]" italics="true" pageId="21" pageNumber="346">Emended diagnosis:</emphasis>
|
||
Exhibits features also found in
|
||
<taxonomicName id="4C294D07FFB9FF93FF5C0E939366FF5D" baseAuthorityName="Boisserie" baseAuthorityYear="2005" box="[164,357,228,250]" class="Mammalia" family="Hippopotamidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="21" pageNumber="346" phylum="Chordata" rank="subFamily" subFamily="Hippopotaminae">Hippopotaminae</taxonomicName>
|
||
: deep median indentation of P
|
||
<superScript id="7C5C9BCCFFB9FF93FD440E9590C7FF49" attach="left" box="[700,708,226,238]" fontSize="5" pageId="21" pageNumber="346">3</superScript>
|
||
labial cervix; upper molars with parastyle confounded or very close to mediomesial mesiostyle. Salient postectohypocristid on lower molars occurring infrequently. Molar crowns relatively shallower than in
|
||
<taxonomicName id="4C294D07FFB9FF93FF5C0F0A9366FE34" baseAuthorityName="Boisserie" baseAuthorityYear="2005" box="[164,357,381,403]" class="Mammalia" family="Hippopotamidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="21" pageNumber="346" phylum="Chordata" rank="subFamily" subFamily="Hippopotaminae">Hippopotaminae</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B963684FFB9FF93FF5C0FCC90F1FC7E" blockId="21.[164,779,443,1903]" pageId="21" pageNumber="346">
|
||
<emphasis id="B95DEA96FFB9FF93FF5C0FCC9327FE77" box="[164,292,443,464]" italics="true" pageId="21" pageNumber="346">Discussion:</emphasis>
|
||
Some examined specimens from Ngeringerowa could be related to
|
||
<taxonomicName id="4C294D07FFB9FF93FE120FAD9089FE49" authorityName=", KNM-BN" authorityYear="1621" box="[490,650,473,495]" class="Mammalia" family="Hippopotamidae" genus="Kenyapotamus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="21" pageNumber="346" phylum="Chordata" rank="species" species="coryndonae">
|
||
<emphasis id="B95DEA96FFB9FF93FE120FAD9089FE49" box="[490,650,473,495]" italics="true" pageId="21" pageNumber="346">K. coryndonae</emphasis>
|
||
</taxonomicName>
|
||
, but their fragmentary condition did not warrant certain attribution. This was the case for two molar fragments, KNM-BN 1488 and KNM-BN 1601 (
|
||
<figureCitation id="13122A01FFB9FF93FDB50C4290A0FDEC" box="[589,675,565,587]" captionStart="Figure 5" captionStartId="10.[144,223,1475,1494]" captionTargetBox="[144,1423,196,1446]" captionTargetId="figure-66@10.[143,1423,196,1446]" captionTargetPageId="10" captionText="Figure 5. Maxilla and upper molars of Kenyapotaminae. A, Kenyapotamus coryndonae, KNM-BN 1321, right M3, holotype with KNM-BN 2075 (left, labial view; middle, mesial view; right, occlusal view). B, K. aff. coryndonae, KNM-NA 251, right M3 (left, labial view; middle, mesial view; right, occlusal view). C, K. coryndonae, KNM-BN 1494, fragmentary palate with left M1 and right M2 (occlusal view). D, K. coryndonae, KNM-NA 188, right M1 (left, labial view; middle, mesial view; right, occlusal view). E, cf. Kenyapotamus, KNM-BN 1618, upper molar fragment (top, labial view; bottom, occlusal view). F, Kenyapotamus ternani, KNM-FT 3934, right M1 - holotype (left, labial view; middle, mesial view; right, occlusal view). G, K. cf. coryndonae, KNM-BN 1601, molar fragment (labial view). Localities: BN, Ngeringerowa, except KNM-BN 1618: lower members of the Ngorora Formation; FT, Fort Ternan; NA, Nakali. Scale bars = 1 cm." figureDoi="http://doi.org/10.5281/zenodo.5438158" httpUri="https://zenodo.org/record/5438158/files/figure.png" pageId="21" pageNumber="346">Fig. 5G</figureCitation>
|
||
), as well as for KNM-BN 1353, a fragment of canine enamel. This fragment displays the fine ridging typical of hippopotamids, similar enamel thickness, and could be a portion of the linguomedial enamel band lining the distal groove of upper canines. If this identification was proven correct, this fragment would correspond to a canine similar in size to
|
||
<taxonomicName id="4C294D07FFB9FF93FDB60D7C930AFC98" baseAuthorityName="Coryndon" baseAuthorityYear="1977" class="Mammalia" family="Hippopotamidae" genus="Archaeopotamus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="21" pageNumber="346" phylum="Chordata" rank="species" species="harvardi">
|
||
<emphasis id="B95DEA96FFB9FF93FDB60D7C930AFC98" italics="true" pageId="21" pageNumber="346">Archaeopotamus harvardi</emphasis>
|
||
</taxonomicName>
|
||
, i.e. larger than expected for
|
||
<taxonomicName id="4C294D07FFB9FF93FD9B0D5D9107FC98" authorityName=", KNM-BN" authorityYear="1621" box="[611,772,810,831]" class="Mammalia" family="Hippopotamidae" genus="Kenyapotamus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="21" pageNumber="346" phylum="Chordata" rank="species" species="coryndonae">
|
||
<emphasis id="B95DEA96FFB9FF93FD9B0D5D9107FC98" box="[611,772,810,831]" italics="true" pageId="21" pageNumber="346">K. coryndonae</emphasis>
|
||
</taxonomicName>
|
||
. We therefore referred these fragmentary remains to
|
||
<taxonomicName id="4C294D07FFB9FF93FF5C0D1F9365FCDB" authorityName=", KNM-BN" authorityYear="1621" box="[164,358,871,893]" class="Mammalia" family="Hippopotamidae" genus="Kenyapotamus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="21" pageNumber="346" phylum="Chordata" rank="species" species="coryndonae">
|
||
<emphasis id="B95DEA96FFB9FF93FF5C0D1F92BDFCDA" box="[164,190,872,893]" italics="true" pageId="21" pageNumber="346">K.</emphasis>
|
||
cf.
|
||
<emphasis id="B95DEA96FFB9FF93FF1D0D109365FCDB" box="[229,358,871,892]" italics="true" pageId="21" pageNumber="346">coryndonae</emphasis>
|
||
</taxonomicName>
|
||
. Similarly, all postcranial remains identified as
|
||
<taxonomicName id="4C294D07FFB9FF93FEB80DF193E2FC3C" authorityName=", KNM-BN" authorityYear="1621" box="[320,481,902,923]" class="Mammalia" family="Hippopotamidae" genus="Kenyapotamus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="21" pageNumber="346" phylum="Chordata" rank="species" species="coryndonae">
|
||
<emphasis id="B95DEA96FFB9FF93FEB80DF193E2FC3C" box="[320,481,902,923]" italics="true" pageId="21" pageNumber="346">K. coryndonae</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="13122A01FFB9FF93FE0D0DF19036FC3B" box="[501,565,902,924]" captionStart="Figure 8" captionStartId="16.[806,885,1467,1486]" captionTargetBox="[806,1422,196,1437]" captionTargetId="figure-381@16.[806,1424,196,1437]" captionTargetPageId="16" captionText="Figure 8. Metapodials and astragalus of Kenyapotaminae. A, Kenyapotamus cf. coryndonae, KNM-BN 1127, right astragalus (top left, external view; bottom left, internal view; top right, dorsal view; bottom right, volar view). B, K. cf. coryndonae, KNM-BN 1622, distal extremity of metapodial (top, dorsal view; bottom, distal view). C, K. cf. coryndonae, KNM-BN 1621, metapodial missing proximal extremity (top left, volar view; top right, dorsal view; bottom right, distal view). Localities: BN, Ngeringerowa. Scale bars = 1 cm." figureDoi="http://doi.org/10.5281/zenodo.5438164" httpUri="https://zenodo.org/record/5438164/files/figure.png" pageId="21" pageNumber="346">Fig. 8</figureCitation>
|
||
) should be better referred to
|
||
<taxonomicName id="4C294D07FFB9FF93FECB0DD293F6FC1E" authorityName=", KNM-BN" authorityYear="1621" box="[307,501,932,954]" class="Mammalia" family="Hippopotamidae" genus="Kenyapotamus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="21" pageNumber="346" phylum="Chordata" rank="species" species="coryndonae">
|
||
<emphasis id="B95DEA96FFB9FF93FECB0DD2934EFC1D" box="[307,333,933,954]" italics="true" pageId="21" pageNumber="346">K.</emphasis>
|
||
cf.
|
||
<emphasis id="B95DEA96FFB9FF93FE8C0DD393F6FC1E" box="[372,501,932,953]" italics="true" pageId="21" pageNumber="346">coryndonae</emphasis>
|
||
</taxonomicName>
|
||
until the discovery of clearly associated dental and postcranial material.
|
||
</paragraph>
|
||
<paragraph id="8B963684FFB9FF93FF440D95936FFAAD" blockId="21.[164,779,443,1903]" pageId="21" pageNumber="346">
|
||
KNM-NA 250 includes a canine fragment and right M
|
||
<subScript id="17AD34C1FFB9FF93FF430A7D92C0FBB1" attach="left" box="[187,195,1034,1046]" fontSize="5" pageId="21" pageNumber="346">3</subScript>
|
||
(
|
||
<figureCitation id="13122A01FFB9FF93FF2A0A779325FBB2" box="[210,294,1024,1046]" captionStart="Figure 7" captionStartId="13.[164,243,1736,1755]" captionTargetBox="[323,1283,1037,1706]" captionTargetId="figure-351@13.[323,1283,1037,1707]" captionTargetPageId="13" captionText="Figure 7. Mandible and lower molars of Kenyapotaminae. A, Kenyapotamus coryndonae, KNM-NA 246, right mandibular corpus with P4, M1, distal half of M2, M3 (top, ventral view; bottom, internal view). B, K. coryndonae, KNM-BN 1320, fragmentary right M1 or M2 (left, labial view; right, occlusal view). C, Kenyapotamus ternani, KNM-MB 864, left lower M1 or M2 (occlusal view). D, K. coryndonae, KNM-NA 246, right M3 (occlusal view). E, K. cf. coryndonae, KNM-NA 250C, right M3 (occlusal view). F, K. ternani, KNM-FT 3322, left M3 (occlusal view). Localities: BN, Ngeringerowa; FT, Fort Ternan; MB, Maboko; NA, Nakali. Scale bars = 1 cm." figureDoi="http://doi.org/10.5281/zenodo.5438162" httpUri="https://zenodo.org/record/5438162/files/figure.png" pageId="21" pageNumber="346">Fig. 7E</figureCitation>
|
||
), with morphologies similar to other specimens of
|
||
<taxonomicName id="4C294D07FFB9FF93FEEF0A6893BBFB93" authorityName=", KNM-BN" authorityYear="1621" box="[279,440,1055,1076]" class="Mammalia" family="Hippopotamidae" genus="Kenyapotamus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="21" pageNumber="346" phylum="Chordata" rank="species" species="coryndonae">
|
||
<emphasis id="B95DEA96FFB9FF93FEEF0A6893BBFB93" box="[279,440,1055,1076]" italics="true" pageId="21" pageNumber="346">K. coryndonae</emphasis>
|
||
</taxonomicName>
|
||
. However, the M
|
||
<subScript id="17AD34C1FFB9FF93FD6F0A5E909CFB92" attach="left" box="[663,671,1065,1077]" fontSize="5" pageId="21" pageNumber="346">3</subScript>
|
||
appears closer in size to KNM-FT 3322 (
|
||
<figureCitation id="13122A01FFB9FF93FDEE0A4A906BFBF4" box="[534,616,1085,1107]" captionStart="Figure 7" captionStartId="13.[164,243,1736,1755]" captionTargetBox="[323,1283,1037,1706]" captionTargetId="figure-351@13.[323,1283,1037,1707]" captionTargetPageId="13" captionText="Figure 7. Mandible and lower molars of Kenyapotaminae. A, Kenyapotamus coryndonae, KNM-NA 246, right mandibular corpus with P4, M1, distal half of M2, M3 (top, ventral view; bottom, internal view). B, K. coryndonae, KNM-BN 1320, fragmentary right M1 or M2 (left, labial view; right, occlusal view). C, Kenyapotamus ternani, KNM-MB 864, left lower M1 or M2 (occlusal view). D, K. coryndonae, KNM-NA 246, right M3 (occlusal view). E, K. cf. coryndonae, KNM-NA 250C, right M3 (occlusal view). F, K. ternani, KNM-FT 3322, left M3 (occlusal view). Localities: BN, Ngeringerowa; FT, Fort Ternan; MB, Maboko; NA, Nakali. Scale bars = 1 cm." figureDoi="http://doi.org/10.5281/zenodo.5438162" httpUri="https://zenodo.org/record/5438162/files/figure.png" pageId="21" pageNumber="346">Fig. 7F</figureCitation>
|
||
) attributed to
|
||
<taxonomicName id="4C294D07FFB9FF93FF5C0A2B9314FBD6" baseAuthorityName="Pickford" baseAuthorityYear="2007" box="[164,279,1116,1137]" class="Mammalia" family="Hippopotamidae" genus="Palaeopotamus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="21" pageNumber="346" phylum="Chordata" rank="species" species="ternani">
|
||
<emphasis id="B95DEA96FFB9FF93FF5C0A2B9314FBD6" box="[164,279,1116,1137]" italics="true" pageId="21" pageNumber="346">K. ternani</emphasis>
|
||
</taxonomicName>
|
||
(dimensions of KNM-NA 250 M
|
||
<subScript id="17AD34C1FFB9FF93FD5C0A1190AFFBD5" attach="left" box="[676,684,1126,1138]" fontSize="5" pageId="21" pageNumber="346">3</subScript>
|
||
: mesiodistal length =
|
||
<quantity id="4CD19B61FFB9FF93FE9F0A0D93CFFB37" box="[359,460,1146,1168]" metricMagnitude="-2" metricUnit="m" metricValue="3.55" pageId="21" pageNumber="346" unit="mm" value="35.5">35.5 mm</quantity>
|
||
; mesial lobe maximal width = 20.0 mm). Given the incompleteness of the Fort Ternan specimen and the small available sample, we prefer to attribute KNM-NA 250 to
|
||
<taxonomicName id="4C294D07FFB9FF93FF5C0A829365FAAD" authorityName=", KNM-BN" authorityYear="1621" box="[164,358,1269,1291]" class="Mammalia" family="Hippopotamidae" genus="Kenyapotamus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="21" pageNumber="346" phylum="Chordata" rank="species" species="coryndonae">
|
||
<emphasis id="B95DEA96FFB9FF93FF5C0A8292BDFAAD" box="[164,190,1269,1290]" italics="true" pageId="21" pageNumber="346">K.</emphasis>
|
||
cf.
|
||
<emphasis id="B95DEA96FFB9FF93FF1D0A829365FAAD" box="[229,358,1269,1290]" italics="true" pageId="21" pageNumber="346">coryndonae</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B963684FFB9FF93FF440B6490DCF9FC" blockId="21.[164,779,443,1903]" pageId="21" pageNumber="346">
|
||
The dental remains of
|
||
<taxonomicName id="4C294D07FFB9FF93FE1E0B63908DFA8E" authorityName="PICKFORD" authorityYear="1983" box="[486,654,1300,1321]" class="Mammalia" family="Hippopotamidae" genus="Kenyapotamus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="21" pageNumber="346" phylum="Chordata" rank="genus">
|
||
<emphasis id="B95DEA96FFB9FF93FE1E0B63908DFA8E" box="[486,654,1300,1321]" italics="true" pageId="21" pageNumber="346">Kenyapotamus</emphasis>
|
||
</taxonomicName>
|
||
from the Beglia Formation were found to be of similar size to the dentition of
|
||
<taxonomicName id="4C294D07FFB9FF93FE940B26900EFAC1" authorityName=", KNM-BN" authorityYear="1621" box="[364,525,1361,1382]" class="Mammalia" family="Hippopotamidae" genus="Kenyapotamus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="21" pageNumber="346" phylum="Chordata" rank="species" species="coryndonae">
|
||
<emphasis id="B95DEA96FFB9FF93FE940B26900EFAC1" box="[364,525,1361,1382]" italics="true" pageId="21" pageNumber="346">K. coryndonae</emphasis>
|
||
</taxonomicName>
|
||
and most similar to specimens from Nakali (
|
||
<bibRefCitation id="EFB84B75FFB9FF93FE3D0B189072FA22" author="Pickford M" box="[453,625,1391,1413]" pageId="21" pageNumber="346" pagination="277 - 283" refId="ref26857" refString="Pickford M. 1990. Decouverte de Kenyapotamus en Tunisie. Annales de Paleontologie 76: 277 - 283." type="journal article" year="1990">Pickford, 1990</bibRefCitation>
|
||
). We did not examine this material, but in our opinion its publication clearly demonstrated the occurrence of
|
||
<taxonomicName id="4C294D07FFB9FF93FD2E0BDA9323FA46" authorityName="PICKFORD" authorityYear="1983" class="Mammalia" family="Hippopotamidae" genus="Kenyapotamus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="21" pageNumber="346" phylum="Chordata" rank="genus">
|
||
<emphasis id="B95DEA96FFB9FF93FD2E0BDA9323FA46" italics="true" pageId="21" pageNumber="346">Kenyapotamus</emphasis>
|
||
</taxonomicName>
|
||
in northern African. However, it was not made clear whether the author preferred to attribute this material to ‘
|
||
<taxonomicName id="4C294D07FFB9FF93FE95087E93FEF9BA" authorityName="Pickford" authorityYear="1983" box="[365,509,1544,1566]" class="Mammalia" family="Hippopotamidae" genus="Kenyapotamus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="21" pageNumber="346" phylum="Chordata" rank="species" species="coryndoni">
|
||
<emphasis id="B95DEA96FFB9FF93FE95087E93FEF9BA" box="[365,509,1544,1566]" italics="true" pageId="21" pageNumber="346">K. coryndoni</emphasis>
|
||
</taxonomicName>
|
||
’ or ‘
|
||
<taxonomicName id="4C294D07FFB9FF93FDCB087E9105F9BA" box="[563,774,1544,1566]" class="Mammalia" family="Hippopotamidae" genus="Kenyapotamus" kingdom="Animalia" order="Artiodactyla" pageId="21" pageNumber="346" phylum="Chordata" rank="species" species="undetermined">
|
||
<emphasis id="B95DEA96FFB9FF93FDCB087E90D8F9B9" box="[563,731,1545,1566]" italics="true" pageId="21" pageNumber="346">Kenyapotamus</emphasis>
|
||
sp.
|
||
</taxonomicName>
|
||
’ (
|
||
<bibRefCitation id="EFB84B75FFB9FF93FF530850935EF99B" author="Pickford M" box="[171,349,1575,1597]" pageId="21" pageNumber="346" pagination="277 - 283" refId="ref26857" refString="Pickford M. 1990. Decouverte de Kenyapotamus en Tunisie. Annales de Paleontologie 76: 277 - 283." type="journal article" year="1990">Pickford, 1990</bibRefCitation>
|
||
: tab. I, pl. I). We have therefore retained here an attribution to
|
||
<taxonomicName id="4C294D07FFB9FF93FDEF083190DBF9FD" authorityName=", KNM-BN" authorityYear="1621" box="[535,728,1605,1627]" class="Mammalia" family="Hippopotamidae" genus="Kenyapotamus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="21" pageNumber="346" phylum="Chordata" rank="species" species="coryndonae">
|
||
<emphasis id="B95DEA96FFB9FF93FDEF08319032F9FC" box="[535,561,1606,1627]" italics="true" pageId="21" pageNumber="346">K.</emphasis>
|
||
cf.
|
||
<emphasis id="B95DEA96FFB9FF93FDAF083290DBF9FD" box="[599,728,1605,1626]" italics="true" pageId="21" pageNumber="346">coryndonae</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B963684FFB9FF93FF4408139786FDCE" blockId="21.[164,779,443,1903]" lastBlockId="21.[826,1441,198,862]" pageId="21" pageNumber="346">
|
||
Closer affinities mentioned between specimens from Beglia and those from Nakali were proposed on the basis of higher molar crowns and a more robust P
|
||
<subScript id="17AD34C1FFB9FF93FCFA08DC9109F910" attach="left" box="[770,778,1707,1719]" fontSize="5" pageId="21" pageNumber="346">4</subScript>
|
||
with better developed metaconid and distal cuspids compared to those found at Ngeringerowa (
|
||
<bibRefCitation id="EFB84B75FFB9FF93FD5C08A992DDF8B4" author="Pickford M" pageId="21" pageNumber="346" pagination="277 - 283" refId="ref26857" refString="Pickford M. 1990. Decouverte de Kenyapotamus en Tunisie. Annales de Paleontologie 76: 277 - 283." type="journal article" year="1990">Pickford, 1990</bibRefCitation>
|
||
). We could not identify a premolar displaying clear hippopotamid P
|
||
<subScript id="17AD34C1FFB9FF93FE66095193A5F895" attach="left" box="[414,422,1830,1842]" fontSize="5" pageId="21" pageNumber="346">4</subScript>
|
||
features in the material from Ngeringerowa (
|
||
<emphasis id="B95DEA96FFB9FF93FE98094C93ABF8F7" box="[352,424,1851,1872]" italics="true" pageId="21" pageNumber="346">contra</emphasis>
|
||
<bibRefCitation id="EFB84B75FFB9FF93FE42094D906FF8F7" author="Pickford M" box="[442,620,1850,1872]" pageId="21" pageNumber="346" pagination="193 - 217" refId="ref26798" refString="Pickford M. 1983. On the origins of Hippopotamidae together with descriptions of two species, a new genus and a new subfamily from the Miocene of Kenya. Geobios 16: 193 - 217." type="journal article" year="1983">Pickford, 1983</bibRefCitation>
|
||
), whereas a figured Beglia molar (
|
||
<bibRefCitation id="EFB84B75FFB9FF93FE64092E9046F8C9" author="Pickford M" box="[412,581,1881,1903]" pageId="21" pageNumber="346" pagination="277 - 283" refId="ref26857" refString="Pickford M. 1990. Decouverte de Kenyapotamus en Tunisie. Annales de Paleontologie 76: 277 - 283." type="journal article" year="1990">Pickford, 1990</bibRefCitation>
|
||
: pl. I E, F) exhibits a similar crown height as molars from Ngeringerowa and Nakali, with the exception of
|
||
<specimenCount id="9D2FFD0DFFB9FF93FAF00E9297A2FF5D" box="[1288,1441,228,250]" pageId="21" pageNumber="346" type="generic">one specimen</specimenCount>
|
||
from the latter locality. KNM-NA 251 (
|
||
<figureCitation id="13122A01FFB9FF93FAF60F749763FEBE" box="[1294,1376,259,281]" captionStart="Figure 5" captionStartId="10.[144,223,1475,1494]" captionTargetBox="[144,1423,196,1446]" captionTargetId="figure-66@10.[143,1423,196,1446]" captionTargetPageId="10" captionText="Figure 5. Maxilla and upper molars of Kenyapotaminae. A, Kenyapotamus coryndonae, KNM-BN 1321, right M3, holotype with KNM-BN 2075 (left, labial view; middle, mesial view; right, occlusal view). B, K. aff. coryndonae, KNM-NA 251, right M3 (left, labial view; middle, mesial view; right, occlusal view). C, K. coryndonae, KNM-BN 1494, fragmentary palate with left M1 and right M2 (occlusal view). D, K. coryndonae, KNM-NA 188, right M1 (left, labial view; middle, mesial view; right, occlusal view). E, cf. Kenyapotamus, KNM-BN 1618, upper molar fragment (top, labial view; bottom, occlusal view). F, Kenyapotamus ternani, KNM-FT 3934, right M1 - holotype (left, labial view; middle, mesial view; right, occlusal view). G, K. cf. coryndonae, KNM-BN 1601, molar fragment (labial view). Localities: BN, Ngeringerowa, except KNM-BN 1618: lower members of the Ngorora Formation; FT, Fort Ternan; NA, Nakali. Scale bars = 1 cm." figureDoi="http://doi.org/10.5281/zenodo.5438158" httpUri="https://zenodo.org/record/5438158/files/figure.png" pageId="21" pageNumber="346">Fig. 5B</figureCitation>
|
||
) is a right M
|
||
<subScript id="17AD34C1FFB9FF93FC6C0F5B919FFE9F" attach="left" box="[916,924,300,312]" fontSize="5" pageId="21" pageNumber="346">3</subScript>
|
||
moderately worn (all cusps display dentine isles) exhibiting significant difference in crown height to other specimens. Despite wear, the crown of KNM-NA 251 appears relatively as high as or higher than that of unworn molars from Nakali, Ngeringerowa, and Beglia. Its hypsodonty index was estimated to be similar to that of hippopotamines (
|
||
<emphasis id="B95DEA96FFB9FF93FA740FAD97A2FE48" box="[1420,1441,474,495]" italics="true" pageId="21" pageNumber="346">H</emphasis>
|
||
probably close to 80). This difference appears significant enough in morphofunctional terms to cast doubt on the attribution of this specimen to
|
||
<taxonomicName id="4C294D07FFB9FF93FB010C419799FDED" authorityName=", KNM-BN" authorityYear="1621" box="[1273,1434,565,587]" class="Mammalia" family="Hippopotamidae" genus="Kenyapotamus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="21" pageNumber="346" phylum="Chordata" rank="species" species="coryndonae">
|
||
<emphasis id="B95DEA96FFB9FF93FB010C419799FDED" box="[1273,1434,565,587]" italics="true" pageId="21" pageNumber="346">K. coryndonae</emphasis>
|
||
</taxonomicName>
|
||
. We prefer for now to refer it to
|
||
<taxonomicName id="4C294D07FFB9FF93FB4A0C23977DFDCE" authorityName=", KNM-BN" authorityYear="1621" box="[1202,1406,596,618]" class="Mammalia" family="Hippopotamidae" genus="Kenyapotamus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Artiodactyla" pageId="21" pageNumber="346" phylum="Chordata" rank="species" species="coryndonae">
|
||
<emphasis id="B95DEA96FFB9FF93FB4A0C2396C7FDCE" box="[1202,1220,596,617]" italics="true" pageId="21" pageNumber="346">K</emphasis>
|
||
. aff.
|
||
<emphasis id="B95DEA96FFB9FF93FB050C23977DFDCE" box="[1277,1406,596,617]" italics="true" pageId="21" pageNumber="346">coryndonae</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B963684FFB9FF93FCAB0C05961BFCF9" blockId="21.[826,1441,198,862]" pageId="21" pageNumber="346">These proposed specimen reassignments are of little consequence to the existing taxonomy of late Miocene kenyapotamines. However, they may indicate a greater diversity amongst these kenyapotamines than initially thought, with the likely occurrence of two forms separated by crown height differences, and maybe of a third form characterized by its smaller size.</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |