270 lines
35 KiB
XML
270 lines
35 KiB
XML
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<mods:title id="93C4E0DA2C06AF5E21CB20A91CFCF6DE">Rongeurs de la localité éocène de Cos (Tarn-et-Garonne, Quercy, France). Comparaison avec les rongeurs de localités de la transition Éocène inférieur / Éocène moyen</mods:title>
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<mods:namePart id="D325F460FC3D4309B6A4D9D52B76E650">Vianey-Liaud, Monique</mods:namePart>
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<mods:namePart id="4336306990124A3496FB71D4A39A1E5E">Vidalenc, Dominique</mods:namePart>
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<mods:namePart id="BED5AC372652B98270E83CB5ECEFD3A2">Orliac, Maëva J.</mods:namePart>
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<mods:namePart id="114DCB9824910404233FA9CBDC441E13">Maugoust, Jacob</mods:namePart>
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<mods:namePart id="28DA1181F46E3D64723CFC06F4828FCD">Lézin, Carine</mods:namePart>
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<mods:namePart id="1A100C5EB141F47EDFAE8F5951350817">Pélissié, Thierry</mods:namePart>
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<mods:typeOfResource id="BEE15E5658DEA0889493A18658A69525">text</mods:typeOfResource>
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<mods:title id="35F14C8227327A70C0F550C43FB46CA0">Geodiversitas</mods:title>
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<mods:part id="16842F6BBA10F99F80D90F62A12BAB43">
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<mods:date id="FC5A1ED65C09172E22E9365187C35C12">2022</mods:date>
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<mods:number id="AAABB1BC892F394DE50650964FBAF27E">2022-09-05</mods:number>
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<mods:detail id="D4EC2D4C7CE44D9F71953F131E03E0AB" type="volume">
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<mods:number id="E9F52B2315645259E42EA372E92A6B89">44</mods:number>
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<mods:number id="51355F1A9B5373256BFED032DE6B0C7B">26</mods:number>
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<mods:start id="987EB8DECCACF2CBF63E8E2C7F53B68F">753</mods:start>
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<mods:identifier id="D0D046C6DC436594F4B1360656599935" type="DOI">10.5252/geodiversitas2022v44a26</mods:identifier>
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<mods:identifier id="90622B5AA9B1EB47C455A3F4F02911C0" type="ISSN">1638-9395</mods:identifier>
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<mods:identifier id="B455BD2F5420101BEF059BC392F3C885" type="Zenodo-Dep">7062339</mods:identifier>
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<treatment id="AF3287A7FFFBFFAAFEEC5931FC4A4E83" ID-DOI="http://doi.org/10.5281/zenodo.7062641" ID-GBIF-Taxon="199975202" ID-Zenodo-Dep="7062641" LSID="urn:lsid:plazi:treatment:AF3287A7FFFBFFAAFEEC5931FC4A4E83" httpUri="http://treatment.plazi.org/id/AF3287A7FFFBFFAAFEEC5931FC4A4E83" lastPageId="39" lastPageNumber="790" pageId="38" pageNumber="789">
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<subSubSection id="6F81653AFFFBFFABFEEC5931FDE74F05" box="[276,632,1619,1645]" pageId="38" pageNumber="789" type="nomenclature">
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<paragraph id="272436B1FFFBFFABFEEC5931FDE74F05" blockId="38.[276,632,1619,1645]" box="[276,632,1619,1645]" pageId="38" pageNumber="789">
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<taxonomicName id="E09B4D32FFFBFFABFEEC5931FE214F05" ID-CoL="3Z5" authorityName="Griffith" authorityYear="1827" box="[276,446,1619,1645]" class="Mammalia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="38" pageNumber="789" phylum="Chordata" rank="order" status="gen. et sp. indet.">Theridomorpha</taxonomicName>
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<taxonomicNameLabel id="0EDC57D8FFFBFFABFE3D5931FDE74F05" box="[453,632,1619,1645]" pageId="38" pageNumber="789">gen. et sp. indet.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection id="6F81653AFFFBFFAAFF7C59F1FBD24CA6" lastPageId="39" lastPageNumber="790" pageId="38" pageNumber="789" type="description">
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<paragraph id="272436B1FFFBFFABFF7C59F1FE294FC5" blockId="38.[131,775,1683,2028]" box="[132,438,1683,1709]" pageId="38" pageNumber="789">
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DESCRIPTION (
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<figureCitation id="BFA02A34FFFBFFABFEDD59F1FE324FC5" box="[293,429,1683,1709]" captionStart="FIG" captionStartId="39.[136,161,1118,1135]" captionTargetBox="[133,1461,214,1074]" captionTargetId="figure-434@39.[123,1464,188,1074]" captionTargetPageId="39" captionText="FIG. 21. — A, B, rongeurs de Cazals (Lot); A, Hartenbergeromys?hautefeuillei Escarguel,1997,P4 gauche; A1, vue occlusale; A2, vue linguale; B, Hartenbergeromys marandati Escarguel, 1997 ou Masillamys cf. cosensis n. sp., fragment lingual de M1-2 droite; B1, vue occlusale; B2, vue linguale; C, D, Theridomorpha gen. et sp. indet. de Cos, dents inférieures; C, UM-Cos 107, m3 droite, vue occlusale; D, UM-Cos 841, mandibule droite incomplète, portant m1 et m2; D1, vue occlusale de m1-m2; D2, vue latéro-externe du dentaire; D3, vue latéro-interne du dentaire; D4, vue occlusale du dentaire. Échelles: A-C, 1 mm; D, 2 mm." figureDoi="http://doi.org/10.5281/zenodo.7062391" httpUri="https://zenodo.org/record/7062391/files/figure.png" pageId="38" pageNumber="789">FIG. 21C, D</figureCitation>
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)
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</paragraph>
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<paragraph id="272436B1FFFBFFABFF7C59D1FDC84E83" blockId="38.[131,775,1683,2028]" pageId="38" pageNumber="789">
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Deux spécimens, une mandibule droite portant seulement m1 et m2 (UM-Cos 341) et une m3 (UM-Cos 107) représentent deux autres Theridomorpha, de petite taille. Le dentaire UM-Cos 341 est plus petit que les dentaires de
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<taxonomicName id="E09B4D32FFFBFFABFF7B5850FECE4E24" authority="Vianey-Liaud & Vidalenc & Orliac & Maugoust & Lézin & Pélissié, 2022" authorityName="Vianey-Liaud & Vidalenc & Orliac & Maugoust & Lézin & Pélissié" authorityYear="2022" box="[131,337,1842,1868]" class="Mammalia" family="Theridomyidae" genus="Masillamys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="38" pageNumber="789" phylum="Chordata" rank="species" species="cosensis" status="sp. nov.">
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<emphasis id="15EFEAA3FFFBFFABFF7B5850FECE4E24" box="[131,337,1842,1868]" italics="true" pageId="38" pageNumber="789">Masillamys cosensis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="0EDC57D8FFFBFFABFEA45851FE044E25" box="[348,411,1843,1869]" pageId="38" pageNumber="789" rank="species">n. sp.</taxonomicNameLabel>
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, un peu plus grand et plus épais que ceux d’
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<emphasis id="15EFEAA3FFFBFFABFEFE5830FEE34E04" box="[262,380,1874,1900]" italics="true" pageId="38" pageNumber="789">
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<taxonomicName id="E09B4D32FFFBFFABFEFE5830FEE64E04" box="[262,377,1874,1900]" class="Mammalia" family="Gliridae" genus="Eogliravus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="38" pageNumber="789" phylum="Chordata" rank="genus">Eogliravus</taxonomicName>
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.
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</emphasis>
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La taille de ses dents est inférieure à celle de
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<taxonomicName id="E09B4D32FFFBFFABFF025811FEED4EE4" authority="Vianey-Liaud & Vidalenc & Orliac & Maugoust & Lézin & Pélissié, 2022" authorityName="Vianey-Liaud & Vidalenc & Orliac & Maugoust & Lézin & Pélissié" authorityYear="2022" box="[250,370,1907,1932]" class="Mammalia" family="Theridomyidae" genus="Masillamys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="38" pageNumber="789" phylum="Chordata" rank="species" species="cosensis" status="sp. nov.">
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<emphasis id="15EFEAA3FFFBFFABFF025811FEED4EE4" box="[250,370,1907,1932]" italics="true" pageId="38" pageNumber="789">M. cosensis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="0EDC57D8FFFBFFABFE815810FE274EE4" box="[377,440,1906,1932]" pageId="38" pageNumber="789" rank="species">n. sp.</taxonomicNameLabel>
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(m1: 1,22 ×
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<quantity id="E0639B54FFFBFFABFDA15810FD5D4EE4" box="[601,706,1906,1932]" metricMagnitude="-3" metricUnit="m" metricValue="1.17" pageId="38" pageNumber="789" unit="mm" value="1.17">1,17 mm</quantity>
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; m2: 1,25 ×
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<quantity id="E0639B54FFFBFFABFF2D58F0FEDF4EC4" box="[213,320,1938,1964]" metricMagnitude="-3" metricUnit="m" metricValue="1.3" pageId="38" pageNumber="789" unit="mm" value="1.3">1,30 mm</quantity>
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), un peu supérieure à celle de l’
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<taxonomicName id="E09B4D32FFFBFFABFD6058F0FC994EC4" box="[664,774,1938,1964]" class="Mammalia" family="Gliridae" genus="Eogliravus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="38" pageNumber="789" phylum="Chordata" rank="genus">
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<emphasis id="15EFEAA3FFFBFFABFD6058F0FC994EC4" box="[664,774,1938,1964]" italics="true" pageId="38" pageNumber="789">Eogliravus</emphasis>
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</taxonomicName>
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du même gisement (
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<figureCitation id="BFA02A34FFFBFFABFE9758D0FE7C4EA4" box="[367,483,1970,1996]" captionStart="ANNEXE" captionStartId="44.[296,308,280,297]" captionTargetPageId="44" captionText="ANNEXE 1. — Mesures Eogliravus. BUX 81-n°, complément du catalogue «rongeurs de Bouxwiller» effectué en 2020 (MVL)" pageId="38" pageNumber="789">Annexes 1</figureCitation>
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;
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<figureCitation id="BFA02A34FFFBFFABFE0D58D0FD9C4EA4" box="[501,515,1970,1996]" captionStart="ANNEXE" captionStartId="47.[132,144,219,236]" captionTargetPageId="47" captionText="ANNEXE 2. — Listing et mesures des dents de Masillamys cosensis n. sp., de la phosphatière de Cos, Tarn et Garonne. Collections Université de Montpellier (UM): Cos xx." pageId="38" pageNumber="789">2</figureCitation>
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) et un peu plus petite que celle de
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<taxonomicName id="E09B4D32FFFBFFABFEF758B3FDC84E83" authority=", de Messel." box="[271,599,2001,2028]" class="Mammalia" family="Theridomyidae" genus="Masillamys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="38" pageNumber="789" phylum="Chordata" rank="species" species="parvus">
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<emphasis id="15EFEAA3FFFBFFABFEF758B3FE4A4E83" box="[271,469,2001,2027]" italics="true" pageId="38" pageNumber="789">Masillamys parvus</emphasis>
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, de Messel.
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</taxonomicName>
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</paragraph>
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<paragraph id="272436B1FFFBFFABFCD55AD6FC174CA5" blockId="38.[813,904,1460,1485]" box="[813,904,1460,1485]" pageId="38" pageNumber="789">
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<heading id="7C6C81DDFFFBFFABFCD55AD6FC174CA5" box="[813,904,1460,1485]" fontSize="11" level="2" pageId="38" pageNumber="789" reason="8">
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<emphasis id="15EFEAA3FFFBFFABFCD55AD6FC174CA5" box="[813,904,1460,1485]" italics="true" pageId="38" pageNumber="789">Dentaire</emphasis>
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</heading>
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</paragraph>
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<paragraph id="272436B1FFFBFFABFCD55AB6FBB24E04" blockId="38.[813,1456,1491,1901]" pageId="38" pageNumber="789">
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La mandibule UM-Cos 341 (
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<figureCitation id="BFA02A34FFFBFFABFB8F5AB1FB424C86" box="[1143,1245,1491,1518]" captionStart="FIG" captionStartId="39.[136,161,1118,1135]" captionTargetBox="[133,1461,214,1074]" captionTargetId="figure-434@39.[123,1464,188,1074]" captionTargetPageId="39" captionText="FIG. 21. — A, B, rongeurs de Cazals (Lot); A, Hartenbergeromys?hautefeuillei Escarguel,1997,P4 gauche; A1, vue occlusale; A2, vue linguale; B, Hartenbergeromys marandati Escarguel, 1997 ou Masillamys cf. cosensis n. sp., fragment lingual de M1-2 droite; B1, vue occlusale; B2, vue linguale; C, D, Theridomorpha gen. et sp. indet. de Cos, dents inférieures; C, UM-Cos 107, m3 droite, vue occlusale; D, UM-Cos 841, mandibule droite incomplète, portant m1 et m2; D1, vue occlusale de m1-m2; D2, vue latéro-externe du dentaire; D3, vue latéro-interne du dentaire; D4, vue occlusale du dentaire. Échelles: A-C, 1 mm; D, 2 mm." figureDoi="http://doi.org/10.5281/zenodo.7062391" httpUri="https://zenodo.org/record/7062391/files/figure.png" pageId="38" pageNumber="789">Fig. 21D</figureCitation>
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) est de taille beaucoup plus petite que celle de
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<taxonomicName id="E09B4D32FFFBFFABFB845A91FAD34F65" authority="Vianey-Liaud & Vidalenc & Orliac & Maugoust & Lézin & Pélissié, 2022" authorityName="Vianey-Liaud & Vidalenc & Orliac & Maugoust & Lézin & Pélissié" authorityYear="2022" box="[1148,1356,1523,1549]" class="Mammalia" family="Theridomyidae" genus="Masillamys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="38" pageNumber="789" phylum="Chordata" rank="species" species="cosensis" status="sp. nov.">
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<emphasis id="15EFEAA3FFFBFFABFB845A91FAD34F65" box="[1148,1356,1523,1549]" italics="true" pageId="38" pageNumber="789">Masillamys cosensis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="0EDC57D8FFFBFFABFAAC5A96FA0D4F66" box="[1364,1426,1524,1550]" pageId="38" pageNumber="789" rank="species">n. sp.</taxonomicNameLabel>
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et voisine de celle d’
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<taxonomicName id="E09B4D32FFFBFFABFBF85971FB274F45" authorityName="Hartenberger" authorityYear="1971" box="[1024,1208,1555,1581]" class="Mammalia" family="Gliridae" genus="Eogliravus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="38" pageNumber="789" phylum="Chordata" rank="species" species="wildi">
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<emphasis id="15EFEAA3FFFBFFABFBF85971FB274F45" box="[1024,1208,1555,1581]" italics="true" pageId="38" pageNumber="789">Eogliravus wildi</emphasis>
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</taxonomicName>
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. Elle diffère de cette dernière par l’épaisseur plus grande du ramus horizontal, avec une incisive plus robuste et des dents plus grandes. Le foramen mentonnier est situé au tiers supérieur de la hauteur du corps de la mandibule, en avant de la racine antérieure de p4. La fosse massétérique est profonde, sa pointe antérieure atteint le niveau de la limite m2-m3. La branche montante, très incomplète, débute au niveau de l’alvéole de m3. La limite antérieure de la fosse ptérygoïdienne interne n’est pas distincte, du fait que l’os est incomplet à ce niveau.
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</paragraph>
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<paragraph id="272436B1FFFBFFABFCD558F1FC464EC4" blockId="38.[813,985,1938,1964]" box="[813,985,1938,1964]" pageId="38" pageNumber="789">
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<heading id="7C6C81DDFFFBFFABFCD558F1FC464EC4" box="[813,985,1938,1964]" fontSize="11" level="2" pageId="38" pageNumber="789" reason="8">
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<emphasis id="15EFEAA3FFFBFFABFCD558F1FC464EC4" box="[813,985,1938,1964]" italics="true" pageId="38" pageNumber="789">Dents inférieures</emphasis>
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</heading>
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</paragraph>
|
||
<paragraph id="272436B1FFFBFFABFCD558D0FA304E83" blockId="38.[813,1455,1970,2028]" pageId="38" pageNumber="789">
|
||
Les dents de cette espèce (UM-Cos 341:
|
||
<figureCitation id="BFA02A34FFFBFFABFAF558D0FAE34EA4" box="[1293,1404,1970,1996]" captionStart="FIG" captionStartId="39.[136,161,1118,1135]" captionTargetBox="[133,1461,214,1074]" captionTargetId="figure-434@39.[123,1464,188,1074]" captionTargetPageId="39" captionText="FIG. 21. — A, B, rongeurs de Cazals (Lot); A, Hartenbergeromys?hautefeuillei Escarguel,1997,P4 gauche; A1, vue occlusale; A2, vue linguale; B, Hartenbergeromys marandati Escarguel, 1997 ou Masillamys cf. cosensis n. sp., fragment lingual de M1-2 droite; B1, vue occlusale; B2, vue linguale; C, D, Theridomorpha gen. et sp. indet. de Cos, dents inférieures; C, UM-Cos 107, m3 droite, vue occlusale; D, UM-Cos 841, mandibule droite incomplète, portant m1 et m2; D1, vue occlusale de m1-m2; D2, vue latéro-externe du dentaire; D3, vue latéro-interne du dentaire; D4, vue occlusale du dentaire. Échelles: A-C, 1 mm; D, 2 mm." figureDoi="http://doi.org/10.5281/zenodo.7062391" httpUri="https://zenodo.org/record/7062391/files/figure.png" pageId="38" pageNumber="789">Fig. 21D</figureCitation>
|
||
<figureCitation id="BFA02A34FFFBFFABFA8458D0FA184EA4" box="[1404,1415,1970,1996]" captionStart="FIG" captionStartId="4.[132,157,1774,1791]" captionTargetBox="[197,1391,216,1731]" captionTargetId="figure-100@4.[747,1300,772,1349]" captionTargetPageId="4" captionText="FIG. 1. — A, Relevé topographique du gisement de Cos (Quercy, Tarn et Garonne), par T. Pélissié, RNNG des Phosphatières du Quercy; B, détail de la partie supérieure de l’affleurement (haut) montrant l’encaissant carbonaté plissé daté du Bajocien supérieur-Bathonien; C, vue d’ensemble de l’affleurement fouillé (bas, bancs fossilifères argileux rouges). B, C, l’échelle est donnée par le piolet (C)." figureDoi="http://doi.org/10.5281/zenodo.7062341" httpUri="https://zenodo.org/record/7062341/files/figure.png" pageId="38" pageNumber="789">1</figureCitation>
|
||
) et celles d’
|
||
<taxonomicName id="E09B4D32FFFBFFABFC7C58B3FC6E4E83" box="[900,1009,2001,2027]" class="Mammalia" family="Gliridae" genus="Eogliravus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="38" pageNumber="789" phylum="Chordata" rank="genus">
|
||
<emphasis id="15EFEAA3FFFBFFABFC7C58B3FC6E4E83" box="[900,1009,2001,2027]" italics="true" pageId="38" pageNumber="789">Eogliravus</emphasis>
|
||
</taxonomicName>
|
||
partagent quelques caractères primitifs,
|
||
</paragraph>
|
||
<caption id="73E46639FFFAFFAAFF705B3CFA074DDB" ID-DOI="http://doi.org/10.5281/zenodo.7062391" ID-Zenodo-Dep="7062391" httpUri="https://zenodo.org/record/7062391/files/figure.png" pageId="39" pageNumber="790" startId="39.[136,161,1118,1135]" targetBox="[133,1461,214,1074]" targetPageId="39">
|
||
<paragraph id="272436B1FFFAFFAAFF705B3CFA074DDB" blockId="39.[136,1459,1118,1203]" pageId="39" pageNumber="790">
|
||
FIG. 21. —
|
||
<emphasis id="15EFEAA3FFFAFFAAFF185B3CFF724D07" bold="true" box="[224,237,1118,1135]" pageId="39" pageNumber="790">A</emphasis>
|
||
,
|
||
<emphasis id="15EFEAA3FFFAFFAAFF0D5B3CFE9D4D07" bold="true" box="[245,258,1118,1135]" pageId="39" pageNumber="790">B</emphasis>
|
||
, rongeurs de Cazals (Lot);
|
||
<emphasis id="15EFEAA3FFFAFFAAFE275B3CFE734D07" bold="true" box="[479,492,1118,1135]" pageId="39" pageNumber="790">A</emphasis>
|
||
,
|
||
<taxonomicName id="E09B4D32FFFAFFAAFE0D5B3CFD104D07" authorityName="Escarguel" authorityYear="1999" box="[501,655,1118,1135]" class="Mammalia" family="Ischyromyidae" genus="Hartenbergeromys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="39" pageNumber="790" phylum="Chordata" rank="genus">
|
||
<emphasis id="15EFEAA3FFFAFFAAFE0D5B3CFD104D07" box="[501,655,1118,1135]" italics="true" pageId="39" pageNumber="790">Hartenbergeromys</emphasis>
|
||
</taxonomicName>
|
||
?
|
||
<taxonomicName id="E09B4D32FFFAFFAAFD655B3CFC154D07" authority="Escarguel, 1997" authorityName="Escarguel" authorityYear="1997" box="[669,906,1118,1135]" class="Mammalia" family="Ischyromyidae" genus="Hartenbergeromys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="39" pageNumber="790" phylum="Chordata" rank="species" species="hautefeuillei">
|
||
<emphasis id="15EFEAA3FFFAFFAAFD655B3CFC9F4D07" box="[669,768,1118,1135]" italics="true" pageId="39" pageNumber="790">hautefeuillei</emphasis>
|
||
<bibRefCitation id="430A4B40FFFAFFAAFCFB5B3CFC154D07" author="Escarguel" box="[771,906,1118,1135]" firstAuthor="Escarguel" pageId="39" pageNumber="790" pagination="443 - 460" refId="ref29843" refString="ESCARGUEL G., MARANDAT B. & LEGENDRE S. 1997. - Sur l'age numerique des faunes de mammiferes du Paleogene d'Europe Occidentale, en particulier de l'Eocene inferieur et moyen, in AGUILAR J. P., LEGENDRE S. & MICHAUX J. (eds), BiochroM' 97, Montpellier, Avril 1997, Memoires et Travaux de l'Institut de Montpellier de l'Ecole pratique des Hautes Etudes 21: 443 - 460." type="journal article" year="1997">Escarguel,1997</bibRefCitation>
|
||
</taxonomicName>
|
||
,P4 gauche;
|
||
<emphasis id="15EFEAA3FFFAFFAAFC0C5B3CFB954D07" bold="true" box="[1012,1034,1118,1135]" pageId="39" pageNumber="790">A1</emphasis>
|
||
, vue occlusale;
|
||
<emphasis id="15EFEAA3FFFAFFAAFB695B3CFB374D07" bold="true" box="[1169,1192,1118,1135]" pageId="39" pageNumber="790">A2</emphasis>
|
||
, vue linguale;
|
||
<emphasis id="15EFEAA3FFFAFFAAFAE55B3CFAB54D07" bold="true" box="[1309,1322,1118,1135]" pageId="39" pageNumber="790">B</emphasis>
|
||
,
|
||
<taxonomicName id="E09B4D32FFFAFFAAFACB5B3CFE104DEE" authority="Escarguel, 1997" authorityName="Escarguel" authorityYear="1997" class="Mammalia" family="Ischyromyidae" genus="Hartenbergeromys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="39" pageNumber="790" phylum="Chordata" rank="species" species="marandati">
|
||
<emphasis id="15EFEAA3FFFAFFAAFACB5B3CFE9C4DEE" italics="true" pageId="39" pageNumber="790">Hartenbergeromys marandati</emphasis>
|
||
<bibRefCitation id="430A4B40FFFAFFAAFEF05B17FE104DEE" author="Escarguel" box="[264,399,1141,1158]" firstAuthor="Escarguel" pageId="39" pageNumber="790" pagination="443 - 460" refId="ref29843" refString="ESCARGUEL G., MARANDAT B. & LEGENDRE S. 1997. - Sur l'age numerique des faunes de mammiferes du Paleogene d'Europe Occidentale, en particulier de l'Eocene inferieur et moyen, in AGUILAR J. P., LEGENDRE S. & MICHAUX J. (eds), BiochroM' 97, Montpellier, Avril 1997, Memoires et Travaux de l'Institut de Montpellier de l'Ecole pratique des Hautes Etudes 21: 443 - 460." type="journal article" year="1997">Escarguel, 1997</bibRefCitation>
|
||
</taxonomicName>
|
||
ou
|
||
<taxonomicName id="E09B4D32FFFAFFAAFE575B17FDEC4DEE" authority="Vianey-Liaud & Vidalenc & Orliac & Maugoust & Lézin & Pélissié, 2022" authorityName="Vianey-Liaud & Vidalenc & Orliac & Maugoust & Lézin & Pélissié" authorityYear="2022" box="[431,627,1141,1158]" class="Mammalia" family="Theridomyidae" genus="Masillamys" higherTaxonomySource="GBIF" isUncertain="true" kingdom="Animalia" order="Rodentia" pageId="39" pageNumber="790" phylum="Chordata" rank="species" species="cosensis" status="sp. nov.">
|
||
<emphasis id="15EFEAA3FFFAFFAAFE575B17FD954DEE" box="[431,522,1141,1158]" italics="true" pageId="39" pageNumber="790">Masillamys</emphasis>
|
||
cf.
|
||
<emphasis id="15EFEAA3FFFAFFAAFDD35B17FDEC4DEE" box="[555,627,1141,1158]" italics="true" pageId="39" pageNumber="790">cosensis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="0EDC57D8FFFAFFAAFD815B17FD344DEE" box="[633,683,1141,1158]" pageId="39" pageNumber="790" rank="species">n. sp.</taxonomicNameLabel>
|
||
, fragment lingual de M1-2 droite;
|
||
<emphasis id="15EFEAA3FFFAFFAAFC315B17FC7F4DEE" bold="true" box="[969,992,1141,1158]" pageId="39" pageNumber="790">B1</emphasis>
|
||
, vue occlusale;
|
||
<emphasis id="15EFEAA3FFFAFFAAFB965B17FB194DEE" bold="true" box="[1134,1158,1141,1158]" pageId="39" pageNumber="790">B2</emphasis>
|
||
, vue linguale;
|
||
<emphasis id="15EFEAA3FFFAFFAAFAFA5B17FA8F4DEE" bold="true" box="[1282,1296,1141,1158]" pageId="39" pageNumber="790">C</emphasis>
|
||
,
|
||
<emphasis id="15EFEAA3FFFAFFAAFAE35B17FAB64DEE" bold="true" box="[1307,1321,1141,1158]" pageId="39" pageNumber="790">D</emphasis>
|
||
, Theridomorpha gen. et sp. indet. de Cos, dents inférieures;
|
||
<emphasis id="15EFEAA3FFFAFFAAFE0B5BEEFD9E4DF5" bold="true" box="[499,513,1164,1181]" pageId="39" pageNumber="790">C</emphasis>
|
||
, UM-Cos 107, m3 droite, vue occlusale;
|
||
<emphasis id="15EFEAA3FFFAFFAAFCAD5BEEFCFC4DF5" bold="true" box="[853,867,1164,1181]" pageId="39" pageNumber="790">D</emphasis>
|
||
, UM-Cos 841, mandibule droite incomplète, portant m1 et m2;
|
||
<emphasis id="15EFEAA3FFFAFFAAFA8B5BEEFA144DF5" bold="true" box="[1395,1419,1164,1181]" pageId="39" pageNumber="790">D1</emphasis>
|
||
, vue occlusale de m1-m2;
|
||
<emphasis id="15EFEAA3FFFAFFAAFEC75BC0FEC84DDB" bold="true" box="[319,343,1186,1203]" pageId="39" pageNumber="790">D2</emphasis>
|
||
, vue latéro-externe du dentaire;
|
||
<emphasis id="15EFEAA3FFFAFFAAFD915BC0FD1D4DDB" bold="true" box="[617,642,1186,1203]" pageId="39" pageNumber="790">D3</emphasis>
|
||
, vue latéro-interne du dentaire;
|
||
<emphasis id="15EFEAA3FFFAFFAAFC765BC0FC384DDB" bold="true" box="[910,935,1186,1203]" pageId="39" pageNumber="790">D4</emphasis>
|
||
, vue occlusale du dentaire. Échelles: A-C, 1 mm; D, 2 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="272436B1FFFAFFAAFF7C5A77FE994FC5" blockId="39.[129,777,1300,2028]" pageId="39" pageNumber="790">
|
||
comme le métaconide prédominant avec sa postmétacristide plongeante jusqu’à l’ouverture du mésoflexide; l’entoconide petit, mais de même taille que le protoconide. La prémétacristide est alignée avec l’antérolophide. Cet antérolophide est plus court et plus renflé sur la m1 que sur la m2, mais il se prolonge buccalement par un antérocingulide plongeant, bordant l’ouverture buccale (antésinuside) de l’antéroflexide comme c’est le cas chez les
|
||
<taxonomicName id="E09B4D32FFFAFFAAFE5A5A91FE6D4F65" authorityName="Hartenberger" authorityYear="1971" box="[418,498,1523,1549]" class="Mammalia" family="Theridomyidae" genus="Elfomys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="39" pageNumber="790" phylum="Chordata" rank="genus">
|
||
<emphasis id="15EFEAA3FFFAFFAAFE5A5A91FE6D4F65" box="[418,498,1523,1549]" italics="true" pageId="39" pageNumber="790">Elfomys</emphasis>
|
||
</taxonomicName>
|
||
ou
|
||
<taxonomicName id="E09B4D32FFFAFFAAFDE15A91FD054F65" authorityName="Thaler" authorityYear="1966" box="[537,666,1523,1549]" class="Mammalia" family="Theridomyidae" genus="Paradelomys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="39" pageNumber="790" phylum="Chordata" rank="genus">
|
||
<emphasis id="15EFEAA3FFFAFFAAFDE15A91FD054F65" box="[537,666,1523,1549]" italics="true" pageId="39" pageNumber="790">Paradelomys</emphasis>
|
||
</taxonomicName>
|
||
. Contrairement à
|
||
<taxonomicName id="E09B4D32FFFAFFAAFF125971FEC84F45" box="[234,343,1555,1581]" class="Mammalia" family="Gliridae" genus="Eogliravus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="39" pageNumber="790" phylum="Chordata" rank="genus">
|
||
<emphasis id="15EFEAA3FFFAFFAAFF125971FEC84F45" box="[234,343,1555,1581]" italics="true" pageId="39" pageNumber="790">Eogliravus</emphasis>
|
||
</taxonomicName>
|
||
, il n’y a pas de mésolophide, seulement des granules bas plus ou moins dispersés dans le bassin, et le postérolophide est moins dominant. L’un de ces granules est situé à l’ouverture linguale du mésoflexide, comme un mésostylide
|
||
</paragraph>
|
||
<paragraph id="272436B1FFFAFFAAFF6359D1FBD24CA6" blockId="39.[129,777,1300,2028]" lastBlockId="39.[811,1456,1300,1486]" pageId="39" pageNumber="790">
|
||
UM-Cos 107 (1,97 ×
|
||
<quantity id="E0639B54FFFAFFAAFE6359D0FD8A4FA5" box="[411,533,1714,1741]" metricMagnitude="-3" metricUnit="m" metricValue="1.669" pageId="39" pageNumber="790" unit="mm" value="1.669">1,669 mm</quantity>
|
||
) (
|
||
<figureCitation id="BFA02A34FFFAFFAAFDC859D0FD084FA5" box="[560,663,1714,1741]" captionStart="FIG" captionStartId="39.[136,161,1118,1135]" captionTargetBox="[133,1461,214,1074]" captionTargetId="figure-434@39.[123,1464,188,1074]" captionTargetPageId="39" captionText="FIG. 21. — A, B, rongeurs de Cazals (Lot); A, Hartenbergeromys?hautefeuillei Escarguel,1997,P4 gauche; A1, vue occlusale; A2, vue linguale; B, Hartenbergeromys marandati Escarguel, 1997 ou Masillamys cf. cosensis n. sp., fragment lingual de M1-2 droite; B1, vue occlusale; B2, vue linguale; C, D, Theridomorpha gen. et sp. indet. de Cos, dents inférieures; C, UM-Cos 107, m3 droite, vue occlusale; D, UM-Cos 841, mandibule droite incomplète, portant m1 et m2; D1, vue occlusale de m1-m2; D2, vue latéro-externe du dentaire; D3, vue latéro-interne du dentaire; D4, vue occlusale du dentaire. Échelles: A-C, 1 mm; D, 2 mm." figureDoi="http://doi.org/10.5281/zenodo.7062391" httpUri="https://zenodo.org/record/7062391/files/figure.png" pageId="39" pageNumber="790">Fig. 21C</figureCitation>
|
||
), une m3 nettement plus petite que les m3 de
|
||
<taxonomicName id="E09B4D32FFFAFFAAFDE559B0FD774F84" authority="Vianey-Liaud & Vidalenc & Orliac & Maugoust & Lézin & Pélissié, 2022" authorityName="Vianey-Liaud & Vidalenc & Orliac & Maugoust & Lézin & Pélissié" authorityYear="2022" box="[541,744,1746,1772]" class="Mammalia" family="Theridomyidae" genus="Masillamys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="39" pageNumber="790" phylum="Chordata" rank="species" species="cosensis" status="sp. nov.">
|
||
<emphasis id="15EFEAA3FFFAFFAAFDE559B0FD774F84" box="[541,744,1746,1772]" italics="true" pageId="39" pageNumber="790">Masillamys cosensis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="0EDC57D8FFFAFFAAFD0A59B1FF3C4E65" pageId="39" pageNumber="790" rank="species">n. sp.</taxonomicNameLabel>
|
||
sort de la distribution des m3 de cette dernière espèce; sa morphologie est un peu différente, avec les ridules fines absentes et les crêtes accessoires beaucoup moins nombreuses, seulement deux partant de la zone du métalophulide I et une de l’extrémité de la postprotocristide. C’est aussi le cas des m1 et m2 de UM-Cos 341, mais sur ces deux dents, l’antérolophide n’est pas connecté au bras antérieur du protoconide alors qu’il l’est, faiblement, sur UM-Cos 107. Sur les trois, l’entolophide est anguleux: sa partie linguale s’attache au niveau de l’ectolophide distal renflé entre mésoconide et préhypocristide. En cela, cette m3 évoque quelque peu celles du
|
||
<typeStatus id="F8208813FFFAFFAAFCA85A16FCE04CE6" box="[848,895,1396,1422]" pageId="39" pageNumber="790">type</typeStatus>
|
||
de
|
||
<taxonomicName id="E09B4D32FFFAFFAAFC545A16FB864CE5" box="[940,1049,1396,1421]" class="Mammalia" family="Theridomyidae" genus="Masillamys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="39" pageNumber="790" phylum="Chordata" rank="species" species="parvus">
|
||
<emphasis id="15EFEAA3FFFAFFAAFC545A16FB864CE5" box="[940,1049,1396,1421]" italics="true" pageId="39" pageNumber="790">M. parvus</emphasis>
|
||
</taxonomicName>
|
||
, mais la m3 de cette dernière espèce montre des ridulides fines dans le bassin, alors qu’elles sont épaisses sur UM-Cos 107.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="6F81653AFFFAFFAAFCD55A91FC4A4E83" pageId="39" pageNumber="790" type="discussion">
|
||
<paragraph id="272436B1FFFAFFAAFCD55A91FC4B4F64" blockId="39.[811,1457,1523,2028]" box="[813,980,1523,1549]" pageId="39" pageNumber="790">COMPARAISONS</paragraph>
|
||
<paragraph id="272436B1FFFAFFAAFCD55971FC4A4E83" blockId="39.[811,1457,1523,2028]" pageId="39" pageNumber="790">
|
||
Si UM-Cos 341 s’inscrit bien au sein des Theridomorpha par l’existence de la postprotocristide oblique vers le talonide qui va de pair avec un métalophulide I, ces m1 et m2 diffèrent de celles du genre
|
||
<taxonomicName id="E09B4D32FFFAFFAAFC005911FABD4FE5" authority="Escarguel" authorityName="Escarguel" authorityYear="1999" box="[1016,1314,1651,1677]" class="Mammalia" family="Ischyromyidae" genus="Hartenbergeromys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="39" pageNumber="790" phylum="Chordata" rank="genus">
|
||
<emphasis id="15EFEAA3FFFAFFAAFC005911FB2D4FE5" box="[1016,1202,1651,1677]" italics="true" pageId="39" pageNumber="790">Hartenbergeromys</emphasis>
|
||
Escarguel
|
||
</taxonomicName>
|
||
, et de
|
||
<taxonomicName id="E09B4D32FFFAFFAAFA955911FC244FC4" authority="Vianey-Liaud & Vidalenc & Orliac & Maugoust & Lézin & Pélissié, 2022" authorityName="Vianey-Liaud & Vidalenc & Orliac & Maugoust & Lézin & Pélissié" authorityYear="2022" class="Mammalia" family="Theridomyidae" genus="Masillamys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="39" pageNumber="790" phylum="Chordata" rank="species" species="cosensis" status="sp. nov.">
|
||
<emphasis id="15EFEAA3FFFAFFAAFA955911FC244FC4" italics="true" pageId="39" pageNumber="790">Masillamys cosensis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="0EDC57D8FFFAFFAAFC3C59F1FB9E4FC5" box="[964,1025,1683,1709]" pageId="39" pageNumber="790" rank="species">n. sp.</taxonomicNameLabel>
|
||
par sa taille plus petite, le métaconide plus saillant, les crêtes transverses moins développées, la postprotocristide moins forte. Elles diffèrent aussi du genre
|
||
<taxonomicName id="E09B4D32FFFAFFAAFCD65990FC774E64" authorityName="Escarguel" authorityYear="1999" box="[814,1000,1778,1804]" class="Mammalia" family="Ischyromyidae" genus="Hartenbergeromys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="39" pageNumber="790" phylum="Chordata" rank="genus">
|
||
<emphasis id="15EFEAA3FFFAFFAAFCD65990FC774E64" box="[814,1000,1778,1804]" italics="true" pageId="39" pageNumber="790">Hartenbergeromys</emphasis>
|
||
</taxonomicName>
|
||
par l’ouverture buccale de l’anteroflexus et les crestulides moins nombreux. Seule la m3, plus grosse que les m1-m2, ressemble à
|
||
<taxonomicName id="E09B4D32FFFAFFAAFBD75851FB5F4E24" authorityName="Escarguel" authorityYear="1997" box="[1071,1216,1842,1868]" class="Mammalia" family="Ischyromyidae" genus="Hartenbergeromys" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="39" pageNumber="790" phylum="Chordata" rank="species" species="marandati">
|
||
<emphasis id="15EFEAA3FFFAFFAAFBD75851FB5F4E24" box="[1071,1216,1842,1868]" italics="true" pageId="39" pageNumber="790">H. marandati</emphasis>
|
||
</taxonomicName>
|
||
, avec toutefois le lobe postérieur plus réduit. Ce taxon diffère aussi de la petite espèce nouvelle d’Issiodoromyinae de Laprade (MP14; in Vianey- Liaud & Hautier 2022), qui ne montre ni métaconide très saillant ni antérocingulide, tandis que la postprotocristide y est plus longue.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |