302 lines
31 KiB
XML
302 lines
31 KiB
XML
<document id="08FBE5B462969594C710838A2561FB9A" ID-DOI="10.1111/j.1096-3642.2009.00600.x" ID-ISSN="0024-4082" ID-Zenodo-Dep="5439692" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630444674211" checkinUser="valdenar" docAuthor="Jaeger, Jean-Jacques, Marivaux, Laurent, Salem, Mustapha, Bilal, Awad Abolhassan, Benammi, Mouloud, Chaimanee, Yaowalak, Duringer, Philippe, Marandat, Bernard, Métais, Eddy, Schuster, Mathieu, Valentin, Xavier & Brunet, Michel" docDate="2010" docId="5B744300FFE9204411E6FEBBFE65FB39" docLanguage="en" docName="j.1096-3642.2009.00600.x.pdf" docOrigin="Zoological Journal of the Linnean Society 160 (1)" docSource="https://academic.oup.com/zoolinnean/article-lookup/doi/10.1111/j.1096-3642.2009.00600.x" docStyle="DocumentStyle:FBF0BF18BB2B256F1F8008F27D80BF37.3:ZoolJLinnSoc.2010-2016.journal_article" docStyleId="FBF0BF18BB2B256F1F8008F27D80BF37" docStyleName="ZoolJLinnSoc.2010-2016.journal_article" docStyleVersion="3" docTitle="Talahphiomys libycus Jaeger & Marivaux & Salem & Bilal & Benammi & Chaimanee & Duringer & Marandat & Métais & Schuster & Valentin & Brunet 2010, SP. NOV." docType="treatment" docVersion="4" lastPageNumber="210" masterDocId="A74D3B78FFE7204B1277FFF4FF9CFFD5" masterDocTitle="New rodent assemblages from the Eocene Dur At-Talah escarpment (Sahara of central Libya): systematic, biochronological, and palaeobiogeographical implications" masterLastPageNumber="213" masterPageNumber="195" pageNumber="209" updateTime="1699272754408" updateUser="plazi">
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<mods:title id="0E370BD6892F083A1EAE745D4C256E3A">New rodent assemblages from the Eocene Dur At-Talah escarpment (Sahara of central Libya): systematic, biochronological, and palaeobiogeographical implications</mods:title>
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<mods:namePart id="78B2830BF816B2D51832E254AD13BFD2">Jaeger, Jean-Jacques</mods:namePart>
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<mods:namePart id="14F2F09AB3389D3351AC502CC8B6B54D">Marivaux, Laurent</mods:namePart>
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<mods:namePart id="CA3208259B3C8B45F430668A3CADED63">Salem, Mustapha</mods:namePart>
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<mods:namePart id="3B011160EA50614718F59B7D2F724E93">Bilal, Awad Abolhassan</mods:namePart>
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<mods:namePart id="4062EA0FBA7C7CD16C91B40DA1638A8B">Benammi, Mouloud</mods:namePart>
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<mods:namePart id="8724F2296B5941CF72E51E0A061DB206">Chaimanee, Yaowalak</mods:namePart>
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<mods:namePart id="D7C90D455B3294DDC57BADD9FB3E7677">Duringer, Philippe</mods:namePart>
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<mods:namePart id="02673464ABD7349AAD819A16805DB9DC">Marandat, Bernard</mods:namePart>
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<mods:namePart id="BDD7CC1F0727716ADCB4674A45295EE8">Métais, Eddy</mods:namePart>
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<mods:namePart id="14EF4898F724EE265A0D469670B28401">Schuster, Mathieu</mods:namePart>
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<mods:namePart id="25F33AC70083FFE1A3316A031BE6A4C6">Valentin, Xavier</mods:namePart>
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<mods:namePart id="E74652D4CFBE5067300437C50196C04C">Brunet, Michel</mods:namePart>
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<mods:title id="09B77BB08BE84DDAB66E73E36ADFDEE1">Zoological Journal of the Linnean Society</mods:title>
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<mods:part id="469E57B3804212C93C0C5C0613F8B515">
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<mods:date id="8D342FE5DFB3780683C15685C89B9721">2010</mods:date>
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<mods:number id="127C5DC104481B35DA14CDF7354190FD">2010-09-30</mods:number>
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<mods:number id="5728C496887BBBEA4813CC5F16F41BD6">160</mods:number>
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<mods:url id="6243EBEB2CABA45EA3317593D9C5D1AA">https://academic.oup.com/zoolinnean/article-lookup/doi/10.1111/j.1096-3642.2009.00600.x</mods:url>
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<mods:identifier id="25036591FE00B1749E8BDE1A712A2F67" type="DOI">10.1111/j.1096-3642.2009.00600.x</mods:identifier>
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<treatment id="5B744300FFE9204411E6FEBBFE65FB39" ID-DOI="http://doi.org/10.5281/zenodo.5491204" ID-Zenodo-Dep="5491204" LSID="urn:lsid:plazi:treatment:5B744300FFE9204411E6FEBBFE65FB39" httpUri="http://treatment.plazi.org/id/5B744300FFE9204411E6FEBBFE65FB39" lastPageId="15" lastPageNumber="210" pageId="14" pageNumber="209">
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<subSubSection id="9BC7A19DFFE9204511E6FEBBFABFFEB1" box="[913,1315,335,356]" pageId="14" pageNumber="209" type="nomenclature">
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<paragraph id="D362F216FFE9204511E6FEBBFABFFEB1" blockId="14.[913,1315,335,356]" box="[913,1315,335,356]" pageId="14" pageNumber="209">
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<heading id="882A457AFFE9204511E6FEBBFABFFEB1" box="[913,1315,335,356]" centered="true" fontSize="9" level="2" pageId="14" pageNumber="209" reason="4">
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<taxonomicName id="14DD8995FFE9204511E6FEBBFB28FEB1" authority="Jaeger & Marivaux & Salem & Bilal & Benammi & Chaimanee & Duringer & Marandat & Métais & Schuster & Valentin & Brunet, 2010" authorityName="Jaeger & Marivaux & Salem & Bilal & Benammi & Chaimanee & Duringer & Marandat & Métais & Schuster & Valentin & Brunet" authorityYear="2010" box="[913,1204,335,356]" class="Mammalia" family="Phiomyidae" genus="Talahphiomys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="14" pageNumber="208" phylum="Chordata" rank="species" species="libycus" status="sp. nov.">TALAHPHIOMYS LIBYCUS</taxonomicName>
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<emphasis id="E1A92E04FFE9204516C9FEA7FABFFEB1" bold="true" box="[1214,1315,335,356]" pageId="14" pageNumber="209">
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<taxonomicNameLabel id="FA9A937FFFE9204516C9FEA7FABFFEB1" box="[1214,1315,335,356]" pageId="14" pageNumber="209" rank="species">SP. NOV.</taxonomicNameLabel>
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</emphasis>
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</paragraph>
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<subSubSection id="9BC7A19DFFE920441151FE82FE65FB39" lastPageId="15" lastPageNumber="210" pageId="14" pageNumber="209" type="materials_examined">
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<paragraph id="D362F216FFE920451151FE82FB74FE59" blockId="14.[806,1256,372,396]" box="[806,1256,372,396]" pageId="14" pageNumber="209">
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<materialsCitation id="63B5F84BFFE920451151FE82FB74FE59" box="[806,1256,372,396]" collectionCode="V" pageId="14" pageNumber="209" specimenCount="1" typeStatus="holotype">
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<emphasis id="E1A92E04FFE920451151FE82FC0CFE5E" box="[806,912,374,395]" italics="true" pageId="14" pageNumber="209">
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<typeStatus id="0C664CB4FFE920451151FE82FC16FE5E" box="[806,906,374,395]" pageId="14" pageNumber="209" type="holotype">Holotype</typeStatus>
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:
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</emphasis>
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DT1-022, a left M
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<superScript id="24A85F5EFFE92045161BFE80FBE8FE55" attach="left" box="[1132,1140,372,384]" fontSize="5" pageId="14" pageNumber="209">1</superScript>
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(Fig. 5
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<collectionCode id="B5CC6AD3FFE9204516B1FE82FB40FE59" box="[1222,1244,374,396]" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="14" pageNumber="209" type="Museum">V</collectionCode>
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).
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</materialsCitation>
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</paragraph>
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<paragraph id="D362F216FFE920451151FE40FB9BFDD2" blockId="14.[806,1421,434,520]" pageId="14" pageNumber="209">
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<emphasis id="E1A92E04FFE920451151FE40FC66FE1C" box="[806,1018,436,457]" italics="true" pageId="14" pageNumber="209">Referred material:</emphasis>
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DT1-020, left M
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<superScript id="24A85F5EFFE9204516B3FE46FB50FE6B" attach="left" box="[1220,1228,434,446]" fontSize="5" pageId="14" pageNumber="209">3</superScript>
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; DT1-021, right M
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<superScript id="24A85F5EFFE92045114AFE25FCD9FE08" attach="left" box="[829,837,465,477]" fontSize="5" pageId="14" pageNumber="209">2</superScript>
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; DT1-023, right DP
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<superScript id="24A85F5EFFE920451644FE25FBA7FE08" attach="left" box="[1075,1083,465,477]" fontSize="5" pageId="14" pageNumber="209">4</superScript>
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; DT1-024, left M
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<subScript id="4F59F053FFE92045177DFE29FA8EFE3C" attach="right" box="[1290,1298,477,489]" fontSize="5" pageId="14" pageNumber="209">2</subScript>
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; DT1-025, left M
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<subScript id="4F59F053FFE92045111AFE08FCE9FDDD" attach="left" box="[877,885,508,520]" fontSize="5" pageId="14" pageNumber="209">3</subScript>
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(Fig. 5
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<collectionCode id="B5CC6AD3FFE9204511B0FE05FC44FDD2" box="[967,984,497,519]" name="Tavera, Department of Geology and Geophysics" pageId="14" pageNumber="209">T</collectionCode>
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–Y).
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||
</paragraph>
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<paragraph id="D362F216FFE920451151FDC5FC75FD51" blockId="14.[806,1421,560,644]" pageId="14" pageNumber="209">
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<emphasis id="E1A92E04FFE920451151FDC5FBD2FD90" box="[806,1102,560,582]" italics="true" pageId="14" pageNumber="209">Type locality and horizon:</emphasis>
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DT-Loc.1 (DT1), Idam Unit (‘Bioturbated Unit’) of the Dur At-Talah escarpment in central
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<collectingCountry id="ABCAB286FFE9204511D6FD9AFC79FD51" box="[929,997,622,644]" name="Libya" pageId="14" pageNumber="209">Libya</collectingCountry>
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.
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</paragraph>
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<paragraph id="D362F216FFE920451151FD58FBC4FD34" blockId="14.[806,1421,684,737]" pageId="14" pageNumber="209">
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||
<emphasis id="E1A92E04FFE920451151FD58FC38FD14" box="[806,932,684,705]" italics="true" pageId="14" pageNumber="209">Etymology:</emphasis>
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The species name is related to the country of the
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<typeStatus id="0C664CB4FFE920451104FD3FFC4AFD34" box="[883,982,715,737]" pageId="14" pageNumber="209" type="holotype">holotype</typeStatus>
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||
, i.e.
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<collectingCountry id="ABCAB286FFE920451667FD3FFBC8FD34" box="[1040,1108,715,737]" name="Libya" pageId="14" pageNumber="209">Libya</collectingCountry>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="D362F216FFE920451151FCFEFBA8FC02" blockId="14.[806,1421,778,983]" pageId="14" pageNumber="209">
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||
<emphasis id="E1A92E04FFE920451151FCFEFC01FCCA" box="[806,925,778,799]" italics="true" pageId="14" pageNumber="209">Diagnosis:</emphasis>
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Species of the size of
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<taxonomicName id="14DD8995FFE9204516CFFCFEFCF4FCEB" authority="(Wood, 1968)" baseAuthorityName="Wood" baseAuthorityYear="1968" class="Mammalia" family="Phiomyidae" genus="Talahphiomys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="14" pageNumber="209" phylum="Chordata" rank="species" species="lavocati">
|
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<emphasis id="E1A92E04FFE9204516CFFCFEFAAFFCCA" box="[1208,1331,778,799]" italics="true" pageId="14" pageNumber="209">T. lavocati</emphasis>
|
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(
|
||
<bibRefCitation id="B74C8FE7FFE920451730FCFEFCFCFCEB" author="Wood AE" pageId="14" pageNumber="209" pagination="23 - 105" refId="ref15161" refString="Wood AE. 1968. Part II: the African Oligocene Rodentia. In: Remington JE, ed. Early Cenozoic mammalian faunas Fayum Province, Egypt. New Haven, CT: Peabody Museum of Natural History Yale University, 23 - 105." type="book chapter" year="1968">Wood, 1968</bibRefCitation>
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||
)
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</taxonomicName>
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||
. Differs from this species in being less bunodont, in having more elevated transverse crests, and in showing upper molars characterized by a threecrested pattern including the protoloph, the posteroloph, and a mesoloph (-ule). M
|
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<superScript id="24A85F5EFFE920451609FC55FB1AFC78" attach="left" box="[1150,1158,929,941]" fontSize="5" pageId="14" pageNumber="209">2</superScript>
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displays an additional mesiolingual cingulum.
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||
</paragraph>
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<paragraph id="D362F216FFE920451151FBF5FB01F8E7" blockId="14.[806,1422,1024,1903]" pageId="14" pageNumber="209">
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||
<emphasis id="E1A92E04FFE920451151FBF5FBE7FBC3" box="[806,1147,1024,1046]" italics="true" pageId="14" pageNumber="209">Description and comparisons:</emphasis>
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Only six isolated teeth (four uppers and two lowers) are referred to this new species of
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<taxonomicName id="14DD8995FFE9204511EEFBC9FBA6FB87" authorityName="Jaeger & Marivaux & Salem & Bilal & Benammi & Chaimanee & Duringer & Marandat & Métais & Schuster & Valentin & Brunet" authorityYear="2010" box="[921,1082,1085,1106]" class="Mammalia" family="Phiomyidae" genus="Talahphiomys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="14" pageNumber="209" phylum="Chordata" rank="genus">
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<emphasis id="E1A92E04FFE9204511EEFBC9FBA6FB87" box="[921,1082,1085,1106]" italics="true" pageId="14" pageNumber="209">Talahphiomys</emphasis>
|
||
</taxonomicName>
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||
. Although these teeth are the size of those of
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<taxonomicName id="14DD8995FFE920451182FBA8FBEEFBA4" baseAuthorityName="Wood" baseAuthorityYear="1968" box="[1013,1138,1116,1137]" class="Mammalia" family="Phiomyidae" genus="Talahphiomys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="14" pageNumber="209" phylum="Chordata" rank="species" species="lavocati">
|
||
<emphasis id="E1A92E04FFE920451182FBA8FBEEFBA4" box="[1013,1138,1116,1137]" italics="true" pageId="14" pageNumber="209">T. lavocati</emphasis>
|
||
</taxonomicName>
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||
, they show a suite of characters that differs substantially from the
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<typeStatus id="0C664CB4FFE92045172BFB8FFA11FB45" box="[1372,1421,1147,1168]" pageId="14" pageNumber="209">type</typeStatus>
|
||
species of this new genus. The upper molars (Fig. 5
|
||
<collectionCode id="B5CC6AD3FFE92045111AFB43FCE2FB18" box="[877,894,1207,1229]" name="Tavera, Department of Geology and Geophysics" pageId="14" pageNumber="209">T</collectionCode>
|
||
–
|
||
<collectionCode id="B5CC6AD3FFE9204511FBFB43FC3CFB18" box="[908,928,1207,1229]" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="14" pageNumber="209" type="Museum">V</collectionCode>
|
||
) are slightly less bunodont compared with those of
|
||
<taxonomicName id="14DD8995FFE9204511E2FB23FB8EFB3E" baseAuthorityName="Wood" baseAuthorityYear="1968" box="[917,1042,1238,1260]" class="Mammalia" family="Phiomyidae" genus="Talahphiomys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="14" pageNumber="209" phylum="Chordata" rank="species" species="lavocati">
|
||
<emphasis id="E1A92E04FFE9204511E2FB23FB8EFB3E" box="[917,1042,1238,1260]" italics="true" pageId="14" pageNumber="209">T. lavocati</emphasis>
|
||
</taxonomicName>
|
||
. In fact, the transverse crests (posteroloph and protoloph) are noticeably more elevated, and the anterior cingulum is practically an anteroloph (but still not connected to the protocone). One of the most distinctive characters is the presence of a mesoloph (-ule), which is long, strong on M
|
||
<superScript id="24A85F5EFFE9204517F2FA99FA11FAAC" attach="left" box="[1413,1421,1389,1401]" fontSize="5" pageId="14" pageNumber="209">1</superScript>
|
||
(Fig. 5
|
||
<collectionCode id="B5CC6AD3FFE920451119FA7AFC1FFA71" box="[878,899,1422,1444]" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="14" pageNumber="209" type="Museum">V</collectionCode>
|
||
), and shorter on M
|
||
<superScript id="24A85F5EFFE920451601FA78FBE2FA4D" attach="left" box="[1142,1150,1420,1432]" fontSize="5" pageId="14" pageNumber="209">2</superScript>
|
||
(Fig. 5U). On M
|
||
<superScript id="24A85F5EFFE92045173BFA78FAC8FA4D" attach="right" box="[1356,1364,1420,1432]" fontSize="5" pageId="14" pageNumber="209">1</superScript>
|
||
, the mesoloph (-ule) links the strong metaconule to the mesostyle that is situated on the buccal margin of the tooth, whereas on M
|
||
<superScript id="24A85F5EFFE92045166EFA1CFBBDFA21" attach="left" box="[1049,1057,1512,1524]" fontSize="5" pageId="14" pageNumber="209">2</superScript>
|
||
it links the metaconule to the mesiolingual side of the metacone. As in
|
||
<taxonomicName id="14DD8995FFE92045177AF9FDFA1AF9C8" baseAuthorityName="Wood" baseAuthorityYear="1968" box="[1293,1414,1544,1566]" class="Mammalia" family="Phiomyidae" genus="Talahphiomys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="14" pageNumber="209" phylum="Chordata" rank="species" species="lavocati">
|
||
<emphasis id="E1A92E04FFE92045177AF9FDFA1AF9C8" box="[1293,1414,1544,1566]" italics="true" pageId="14" pageNumber="209">T. lavocati</emphasis>
|
||
</taxonomicName>
|
||
, the upper molars in
|
||
<taxonomicName id="14DD8995FFE920451644F9D3FB34F9E9" authorityName="Jaeger & Marivaux & Salem & Bilal & Benammi & Chaimanee & Duringer & Marandat & Métais & Schuster & Valentin & Brunet" authorityYear="2010" box="[1075,1192,1575,1596]" class="Mammalia" family="Phiomyidae" genus="Talahphiomys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="14" pageNumber="209" phylum="Chordata" rank="species" species="libycus">
|
||
<emphasis id="E1A92E04FFE920451644F9D3FB34F9E9" box="[1075,1192,1575,1596]" italics="true" pageId="14" pageNumber="209">T. libycus</emphasis>
|
||
</taxonomicName>
|
||
have virtually no metaloph, only a very short crest. There is neither endoloph nor mure, and the internal sinus is transverse. On M
|
||
<superScript id="24A85F5EFFE9204511C3F975FC20F958" attach="left" box="[948,956,1665,1677]" fontSize="5" pageId="14" pageNumber="209">1</superScript>
|
||
, the hypocone and protocone are mesiodistally aligned, whereas on M
|
||
<superScript id="24A85F5EFFE9204516DCF96BFB2FF97E" attach="right" box="[1195,1203,1695,1707]" fontSize="5" pageId="14" pageNumber="209">2</superScript>
|
||
, the hypocone is slightly more buccal to the protocone. On M
|
||
<superScript id="24A85F5EFFE92045173CF94AFACFF91F" attach="right" box="[1355,1363,1726,1738]" fontSize="5" pageId="14" pageNumber="209">3</superScript>
|
||
, the hypocone is much more buccal. This tooth is worn, but it seems that the hypocone and protocone were connected together by an endoloph.
|
||
</paragraph>
|
||
<paragraph id="D362F216FFE920441148F8CEFDA8FE83" blockId="14.[806,1422,1024,1903]" lastBlockId="15.[164,779,198,1260]" lastPageId="15" lastPageNumber="210" pageId="14" pageNumber="209">
|
||
A single upper premolar (Fig. 5W) is referred to
|
||
<taxonomicName id="14DD8995FFE92045170FF8CFFCE9F8BB" authorityName="Jaeger & Marivaux & Salem & Bilal & Benammi & Chaimanee & Duringer & Marandat & Métais & Schuster & Valentin & Brunet" authorityYear="2010" class="Mammalia" family="Phiomyidae" genus="Talahphiomys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="14" pageNumber="209" phylum="Chordata" rank="species" species="libycus">
|
||
<emphasis id="E1A92E04FFE92045170FF8CFFCE9F8BB" italics="true" pageId="14" pageNumber="209">T. libycus</emphasis>
|
||
</taxonomicName>
|
||
. This tooth is smaller than the molars, but is quite similar in morphology. Its anterior cingulum appears much lower, the protoloph is slender in its lingual part, and there is a thin, short, and very low crest linking the metaconule to the protocone, which partially closes the internal sinus.
|
||
</paragraph>
|
||
<paragraph id="D362F216FFE8204412CBFEABFE65FB39" blockId="15.[164,779,198,1260]" pageId="15" pageNumber="210">
|
||
The structure of these upper teeth is unusual amongst phiomyids. This dental pattern, characterized by a transverse sinus (because of the lack of both the endoloph and mure), the lack of a metaloph, and a long mesoloph (-ule), is somewhat reminiscent to that observed in
|
||
<taxonomicName id="14DD8995FFE82044131FFE0CFD91FDD8" box="[360,525,504,525]" class="Mammalia" family="Chapattimyidae" genus="Lophibaluchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="15" pageNumber="210" phylum="Chordata" rank="genus">
|
||
<emphasis id="E1A92E04FFE82044131FFE0CFD91FDD8" box="[360,525,504,525]" italics="true" pageId="15" pageNumber="210">Lophibaluchia</emphasis>
|
||
</taxonomicName>
|
||
, a baluchimyine from the Palaeogene of
|
||
<collectingCountry id="ABCAB286FFE8204413EAFDE2FD9FFDF9" box="[413,515,534,556]" name="Pakistan" pageId="15" pageNumber="210">Pakistan</collectingCountry>
|
||
(
|
||
<bibRefCitation id="B74C8FE7FFE820441057FDE2FC9AFDF9" author="Flynn LJ & Jacobs LL & Cheema IU" box="[544,774,534,556]" pageId="15" pageNumber="210" pagination="1 - 58" refId="ref13579" refString="Flynn LJ, Jacobs LL, Cheema IU. 1986. Baluchimyinae, a new ctenodactyloid rodent subfamily from the Miocene of Baluchistan. American Museum Novitates 2841: 1 - 58." type="journal article" year="1986">
|
||
Flynn
|
||
<emphasis id="E1A92E04FFE82044100EFDE3FD2DFDFE" box="[633,689,534,556]" italics="true" pageId="15" pageNumber="210">et al.</emphasis>
|
||
, 1986
|
||
</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="B74C8FE7FFE8204412D3FDC1FD9FFD9E" author="Marivaux L & Welcomme J-L" box="[164,515,565,587]" pageId="15" pageNumber="210" pagination="420 - 434" refId="ref14317" refString="Marivaux L, Welcomme J-L. 2003. Diatomyid and baluchimyine rodents from the Oligocene of Pakistan (Bugti Hills, Balochistan): systematic and paleobiogeographic implications. Journal of Vertebrate Paleontology 23: 420 - 434." type="journal article" year="2003">Marivaux & Welcomme, 2003</bibRefCitation>
|
||
). However,
|
||
<taxonomicName id="14DD8995FFE8204410FAFDC1FF48FDBC" class="Mammalia" family="Chapattimyidae" genus="Lophibaluchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="15" pageNumber="210" phylum="Chordata" rank="genus">
|
||
<emphasis id="E1A92E04FFE8204410FAFDC1FF48FDBC" italics="true" pageId="15" pageNumber="210">Lophibaluchia</emphasis>
|
||
</taxonomicName>
|
||
does not have a strong metaconule, and its transverse crests, notably the anteroloph, are much more developed. The two lower molars of
|
||
<taxonomicName id="14DD8995FFE8204410ECFD65FC96FD73" authorityName="Jaeger & Marivaux & Salem & Bilal & Benammi & Chaimanee & Duringer & Marandat & Métais & Schuster & Valentin & Brunet" authorityYear="2010" box="[667,778,657,678]" class="Mammalia" family="Phiomyidae" genus="Talahphiomys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="15" pageNumber="210" phylum="Chordata" rank="species" species="libycus">
|
||
<emphasis id="E1A92E04FFE8204410ECFD65FC96FD73" box="[667,778,657,678]" italics="true" pageId="15" pageNumber="210">T. libycus</emphasis>
|
||
</taxonomicName>
|
||
differ also from those of
|
||
<taxonomicName id="14DD8995FFE820441391FD5BFD17FD11" box="[486,651,687,708]" class="Mammalia" family="Chapattimyidae" genus="Lophibaluchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="15" pageNumber="210" phylum="Chordata" rank="genus">
|
||
<emphasis id="E1A92E04FFE820441391FD5BFD17FD11" box="[486,651,687,708]" italics="true" pageId="15" pageNumber="210">Lophibaluchia</emphasis>
|
||
</taxonomicName>
|
||
. As in
|
||
<taxonomicName id="14DD8995FFE820441081FD44FF61FD36" baseAuthorityName="Wood" baseAuthorityYear="1968" class="Mammalia" family="Phiomyidae" genus="Talahphiomys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="15" pageNumber="210" phylum="Chordata" rank="species" species="lavocati">
|
||
<emphasis id="E1A92E04FFE820441081FD44FF61FD36" italics="true" pageId="15" pageNumber="210">T. lavocati</emphasis>
|
||
</taxonomicName>
|
||
, M
|
||
<subScript id="4F59F053FFE820441350FD2CFEB3FD31" attach="left" box="[295,303,728,740]" fontSize="5" pageId="15" pageNumber="210">2</subScript>
|
||
and M
|
||
<quantity id="14255FF3FFE8204413FFFD2CFE2FFD31" box="[392,435,718,740]" metricMagnitude="-2" metricUnit="m" metricValue="7.62" pageId="15" pageNumber="210" unit="in" value="3.0">
|
||
<subScript id="4F59F053FFE8204413FFFD2CFE0CFD31" attach="left" box="[392,400,728,740]" fontSize="5" pageId="15" pageNumber="210">3</subScript>
|
||
in
|
||
</quantity>
|
||
<taxonomicName id="14DD8995FFE8204413C9FD3BFDB2FD36" authorityName="Jaeger & Marivaux & Salem & Bilal & Benammi & Chaimanee & Duringer & Marandat & Métais & Schuster & Valentin & Brunet" authorityYear="2010" box="[446,558,718,740]" class="Mammalia" family="Phiomyidae" genus="Talahphiomys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="15" pageNumber="210" phylum="Chordata" rank="species" species="libycus">
|
||
<emphasis id="E1A92E04FFE8204413C9FD3BFDB2FD36" box="[446,558,718,740]" italics="true" pageId="15" pageNumber="210">T. libycus</emphasis>
|
||
</taxonomicName>
|
||
lack the posterior arm of the protoconid, whereas in
|
||
<taxonomicName id="14DD8995FFE82044105CFD19FD4CFCD7" box="[555,720,749,770]" class="Mammalia" family="Chapattimyidae" genus="Lophibaluchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="15" pageNumber="210" phylum="Chordata" rank="genus">
|
||
<emphasis id="E1A92E04FFE82044105CFD19FD4CFCD7" box="[555,720,749,770]" italics="true" pageId="15" pageNumber="210">Lophibaluchia</emphasis>
|
||
</taxonomicName>
|
||
, this character is strongly developed and forms a metalophulid II (
|
||
<bibRefCitation id="B74C8FE7FFE820441351FCDEFDB2FC95" author="Flynn LJ & Jacobs LL & Cheema IU" box="[294,558,810,832]" pageId="15" pageNumber="210" pagination="1 - 58" refId="ref13579" refString="Flynn LJ, Jacobs LL, Cheema IU. 1986. Baluchimyinae, a new ctenodactyloid rodent subfamily from the Miocene of Baluchistan. American Museum Novitates 2841: 1 - 58." type="journal article" year="1986">
|
||
Flynn
|
||
<emphasis id="E1A92E04FFE82044130EFCDFFE2DFCEA" box="[377,433,810,832]" italics="true" pageId="15" pageNumber="210">et al.</emphasis>
|
||
, 1986: 35
|
||
</bibRefCitation>
|
||
) Lower molars of
|
||
<taxonomicName id="14DD8995FFE8204412D3FCBCFED5FC88" box="[164,329,840,861]" class="Mammalia" family="Chapattimyidae" genus="Lophibaluchia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="15" pageNumber="210" phylum="Chordata" rank="genus">
|
||
<emphasis id="E1A92E04FFE8204412D3FCBCFED5FC88" box="[164,329,840,861]" italics="true" pageId="15" pageNumber="210">Lophibaluchia</emphasis>
|
||
</taxonomicName>
|
||
are also strongly lophate compared to the condition observed in
|
||
<taxonomicName id="14DD8995FFE820441396FC93FD1EFCA9" authorityName="Jaeger & Marivaux & Salem & Bilal & Benammi & Chaimanee & Duringer & Marandat & Métais & Schuster & Valentin & Brunet" authorityYear="2010" box="[481,642,871,892]" class="Mammalia" family="Phiomyidae" genus="Talahphiomys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="15" pageNumber="210" phylum="Chordata" rank="genus">
|
||
<emphasis id="E1A92E04FFE820441396FC93FD1EFCA9" box="[481,642,871,892]" italics="true" pageId="15" pageNumber="210">Talahphiomys</emphasis>
|
||
</taxonomicName>
|
||
. The fossil material documenting the lower molars of
|
||
<taxonomicName id="14DD8995FFE8204410F1FC72FD6DFC4E" authorityName="Jaeger & Marivaux & Salem & Bilal & Benammi & Chaimanee & Duringer & Marandat & Métais & Schuster & Valentin & Brunet" authorityYear="2010" box="[646,753,902,923]" class="Mammalia" family="Phiomyidae" genus="Talahphiomys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="15" pageNumber="210" phylum="Chordata" rank="species" species="libycus">
|
||
<emphasis id="E1A92E04FFE8204410F1FC72FD6DFC4E" box="[646,753,902,923]" italics="true" pageId="15" pageNumber="210">T. libycus</emphasis>
|
||
</taxonomicName>
|
||
is extremely limited and does not allow exhaustive comparisons. From the available material, it appears that the overall morphology of these teeth is very similar to that described for
|
||
<taxonomicName id="14DD8995FFE8204413C6FBF5FDB2FBC0" baseAuthorityName="Wood" baseAuthorityYear="1968" box="[433,558,1024,1046]" class="Mammalia" family="Phiomyidae" genus="Talahphiomys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="15" pageNumber="210" phylum="Chordata" rank="species" species="lavocati">
|
||
<emphasis id="E1A92E04FFE8204413C6FBF5FDB2FBC0" box="[433,558,1024,1046]" italics="true" pageId="15" pageNumber="210">T. lavocati</emphasis>
|
||
</taxonomicName>
|
||
. Nonetheless, the morphology of the M
|
||
<subScript id="4F59F053FFE8204413EAFBDDFE39FBE0" attach="left" box="[413,421,1065,1077]" fontSize="5" pageId="15" pageNumber="210">3</subScript>
|
||
(Fig. 5Y) is somewhat special compared with that of the lower molars described for the genus. This tooth shows a vast talonid basin that is lingually closed by a strong, long, and elevated wall between the metaconid and entoconid. Additional material is necessary for better describing the lower dentition of this new species.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |