151 lines
18 KiB
XML
151 lines
18 KiB
XML
<document id="76E62BC0959F47D4E4B8F12DDF22CD11" ID-DOI="10.5252/g2010n3a7" ID-ISSN="1638-9395" ID-Zenodo-Dep="5376419" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630281380577" checkinUser="marcus" docAuthor="Aguilar, Jean-Pierre, Michaux, Jacques & Lazzari, Vincent" docDate="2010" docId="E40F8791FFC7FF95FF37FDC6FB8ACDC1" docLanguage="fr" docName="Geodiversitas.2010.32.3.501-513.pdf" docOrigin="Geodiversitas 32 (3)" docSource="http://www.bioone.org/doi/abs/10.5252/g2010n3a7" docStyle="DocumentStyle:06460E2025300062676A2DBCBE4CBDE8.3:Geodiversitas.2009-2010.journal_article.type1" docStyleId="06460E2025300062676A2DBCBE4CBDE8" docStyleName="Geodiversitas.2009-2010.journal_article.type1" docStyleVersion="3" docTitle="Megacricetodon fournasi Aguilar 1995" docType="treatment" docVersion="3" lastPageNumber="509" masterDocId="1836FFE9FFCFFF9DFFA2FF95FFEDC908" masterDocTitle="Nouvelles faunes de rongeurs (Mammalia, Rodentia) d'âge miocène moyen en Languedoc-Roussillon (Sud de la France); biostratigraphie et corrélations" masterLastPageNumber="513" masterPageNumber="501" pageNumber="509" updateTime="1699212013810" updateUser="plazi" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0">
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<mods:title id="9910C0623E60FA4EFE6F0750DDDD1835">Nouvelles faunes de rongeurs (Mammalia, Rodentia) d'âge miocène moyen en Languedoc-Roussillon (Sud de la France); biostratigraphie et corrélations</mods:title>
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<mods:namePart id="AB46770E9E9D51AC6DAC7AF6EDA11792">Aguilar, Jean-Pierre</mods:namePart>
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<mods:namePart id="91FBCD2B1F4B862BDA36B666B4290C79">Michaux, Jacques</mods:namePart>
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<mods:namePart id="54A2C5D6F6E61CB6E3CC8B503963A73E">Lazzari, Vincent</mods:namePart>
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<mods:title id="23FB705ACCB2E7DBDAF075B343400391">Geodiversitas</mods:title>
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<mods:date id="C3BBEB001F5234157B6F88B9982ECD62">2010</mods:date>
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<mods:number id="450E90A3DD4A928E21881970F8E6DD60">2010-09-30</mods:number>
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<mods:number id="FE3F73A419C5CD50211A59D16EA47678">32</mods:number>
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<mods:url id="990515EBE7CB525EC664442FA1F15B7A">http://www.bioone.org/doi/abs/10.5252/g2010n3a7</mods:url>
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<mods:identifier id="5B66A1AE91DDC077F52DE7A18351E249" type="DOI">10.5252/g2010n3a7</mods:identifier>
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<mods:identifier id="478E5E0BF92C8928E231C295E82D2929" type="ISSN">1638-9395</mods:identifier>
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<subSubSection id="24BC650CFFC7FF95FF37FDC6FE3BCBD7" pageId="8" pageNumber="509" type="nomenclature">
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<paragraph id="6C193687FFC7FF95FF37FDC6FE1ACB87" blockId="8.[149,610,595,655]" pageId="8" pageNumber="509">
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<heading id="375181EBFFC7FF95FF37FDC6FE1ACB87" centered="true" fontSize="11" level="2" pageId="8" pageNumber="509" reason="2">
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<taxonomicName id="ABA64D04FFC7FF95FF37FDC6FD8FCB67" authority="Aguilar, 1995" authorityName="Aguilar" authorityYear="1995" box="[149,610,595,623]" class="Mammalia" family="Muridae" genus="Megacricetodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="509" phylum="Chordata" rank="species" species="fournasi">
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<emphasis id="5ED2EA95FFC7FF95FF37FDC6FED3CB66" bold="true" box="[149,318,595,622]" italics="true" pageId="8" pageNumber="509">Megacricetodon</emphasis>
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aff.
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<emphasis id="5ED2EA95FFC7FF95FECDFDC6FE25CB65" bold="true" box="[367,456,595,621]" italics="true" pageId="8" pageNumber="509">fournasi</emphasis>
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<bibRefCitation id="08374B76FFC7FF95FE6DFDC1FD8FCB67" author="AGUILAR J. - P." box="[463,610,596,623]" pageId="8" pageNumber="509" pagination="1 - 45" refId="ref7333" refString="AGUILAR J. - P. 1995. - Evolution de la lignee Megacricetodon collongensis - Megacricetodon roussillonensis (Cricetidae, Rodentia, Mammalia) dans le sud de la France. Palaeovertebrata 24 (1): 1 - 45." type="journal article" year="1995">Aguilar, 1995</bibRefCitation>
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||
</taxonomicName>
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||
(
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<figureCitation id="F49D2A02FFC7FF95FEABFDE1FEABCB87" box="[265,326,628,655]" captionStart="FIG" captionStartId="6.[113,124,1165,1182]" captionText="FIG. 2 — A-C, molaires des rongeurs de Blanquatère 3 (mensurations en mm); A-C, Miodyromys cf. aegercii Baudelot, 1972; A, m1 sen., 1,29 × 1,26 (BLQ 3 nº 80); B, M1 dex., 1,36 × 1,52 (BLQ 3 nº 82); C, M2 sen., 1,30 × 1,49 (BLQ 3 nº 83); D-O, molaires des rongeurs de Puisserguier (mensurations en mm); D, Cricetodon cf. albanensis Mein & Freudenthal, 1971, m1 sen. fragmentée; E-K, Megacricetodon aff. fournasi Aguilar, 1995; E, m1 dex., 1,71 × 1,07 (PUI nº1); F, m1 dex., 1,71 × 1,08 (PUI nº 4); G, m1 sen., 1,69 × 1,00 (PUI nº 2); H, M1 sen., 1,76 × 1,17 (PUI nº 13); I, M1 dex., 1,78 × 1,15 (PUI nº 15); J, M2 sen., 1,20 × 1,07 (PUI nº 19); K, M2 sen., 1,27 × 1,13 (PUI nº 20); L-N, Megacricetodon minor (Lartet, 1851); L, m2 sen., 1,18 × 0,97 (PUI nº 26); M, M2 sen., 1,11 × 1,05 (PUI nº 27); N, M2 sen., 1,07 × 0,97 (PUI nº 28); O, Democricetodon aff. freisingensis Fahlbusch, 1964, M2 dex. fragmentée, L> 1,59 (PUI nº 30). Échelle: 1 mm." pageId="8" pageNumber="509">Fig. 2</figureCitation>
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E-K;
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<tableCitation id="2124033CFFC7FF95FE26FDE1FE03CB87" box="[388,494,628,655]" captionStart="TABLEAU" captionStartId="8.[677,686,219,236]" captionText="TABLEAU 3. — Mensurations (en mm) des molaires de Megacricetodon aff. fournasi Aguilar, 1995 du gisement de Blanquatère 3 (sud de la France). N, nombre de dents dont la longueur/largeur est mesurable." pageId="8" pageNumber="509">Tableau 3</tableCitation>
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)
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</heading>
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</paragraph>
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<paragraph id="6C193687FFC7FF95FFD3FD38FE3BCBD7" blockId="8.[112,646,685,735]" pageId="8" pageNumber="509">
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MATÉRIEL ET DIMENSIONS. — Dents isolées (PUI nº 1 à 25). Dimensions: voir
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<tableCitation id="2124033CFFC7FF95FECEFD52FE3ECBD7" box="[364,467,711,735]" captionStart="TABLEAU" captionStartId="8.[677,686,219,236]" captionText="TABLEAU 3. — Mensurations (en mm) des molaires de Megacricetodon aff. fournasi Aguilar, 1995 du gisement de Blanquatère 3 (sud de la France). N, nombre de dents dont la longueur/largeur est mesurable." pageId="8" pageNumber="509">Tableau 3</tableCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="24BC650CFFC7FF95FFD3FC86FB8ACDC1" pageId="8" pageNumber="509" type="description">
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<paragraph id="6C193687FFC7FF95FFD3FC86FF0ACA24" blockId="8.[111,649,787,1098]" box="[113,231,787,812]" pageId="8" pageNumber="509">
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<emphasis id="5ED2EA95FFC7FF95FFD3FC86FF0ACA24" box="[113,231,787,812]" italics="true" pageId="8" pageNumber="509">Description</emphasis>
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</paragraph>
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<paragraph id="6C193687FFC7FF95FFD3FCA4FF11CD42" blockId="8.[111,649,787,1098]" pageId="8" pageNumber="509">
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<emphasis id="5ED2EA95FFC7FF95FFD3FCA4FEA8CA45" bold="true" box="[113,325,817,845]" pageId="8" pageNumber="509">Molaires inférieures.</emphasis>
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Sur m1, l’antéroconide est rond (2) ou légèrement divisé en sa partie apicale (2), une seule molaire montre un mésolophide très court et une autre molaire montre un petit éperon lingual qui rejoint la partie postérieure de l’antéroconide. Sur m2, l’antérolophide labial est bien développé et le mésolophide est absent (1), très court (3) ou de longueur moyenne (1) et rejoint la base du protoconide.
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</paragraph>
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<paragraph id="6C193687FFC7FF95FFD3FBFBFF08CCCE" blockId="8.[113,649,1134,1478]" pageId="8" pageNumber="509">
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<emphasis id="5ED2EA95FFC7FF95FFD3FBFBFE88CD82" bold="true" box="[113,357,1134,1162]" pageId="8" pageNumber="509">Molaires supérieures.</emphasis>
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Sur M1, l’antérocône est assez profondément fissuré, bien dédoublé avec deux cuspides sensiblement de même volume, le mésolophe de longueur moyenne relié à l’éperon postérieur du paracône (1). Cet éperon est absent sur une dent. Les liaisons sont rétroverses et il y a un petit postérosinus. Sur M2, le protolophule est simple et en position antérieure, le métacône est isolé sur une dent alors que sur l’autre, il est relié à l’hypocône par le métalophule en position antérieure.
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</paragraph>
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<paragraph id="6C193687FFC7FF95FFD3FA7EFE5FCF6D" blockId="8.[111,647,1515,1700]" pageId="8" pageNumber="509">
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<emphasis id="5ED2EA95FFC7FF95FFD3FA7EFF31CF0C" box="[113,220,1515,1540]" italics="true" pageId="8" pageNumber="509">Discussion</emphasis>
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C’est l’espèce dominante dans le gisement (28 dents déterminables dont 25 mesurables), elle représente la presque totalité de la faune.
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</paragraph>
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<paragraph id="6C193687FFC7FF95FF2AF9FCFD6ACFAC" blockId="8.[111,647,1515,1700]" pageId="8" pageNumber="509">
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Ces molaires présentent des caractères morphologiques moins évolués que ceux de
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<taxonomicName id="ABA64D04FFC7FF95FE12F91FFD6ACFAC" authority="(Schaub" baseAuthorityName="Schaub" baseAuthorityYear="1925" box="[432,647,1673,1700]" class="Mammalia" family="Muridae" genus="Megacricetodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="509" phylum="Chordata" rank="species" species="gregarius">
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<emphasis id="5ED2EA95FFC7FF95FE12F91FFDC5CFAB" box="[432,552,1674,1699]" italics="true" pageId="8" pageNumber="509">M.gregarius</emphasis>
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(Schaub,
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</taxonomicName>
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</paragraph>
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<paragraph id="6C193687FFC7FF95FD00FDE1FBAECBC6" blockId="8.[674,1211,628,1225]" pageId="8" pageNumber="509">1944) du gisement voisin et stratigraphiquement plus récent de La Grenatière, avec notamment un antéroconide de m1 peu ou pas divisé.</paragraph>
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<paragraph id="6C193687FFC7FF95FD19FD46FCA1CAE3" blockId="8.[674,1211,628,1225]" pageId="8" pageNumber="509">
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La présence d’un antéroconide légèrement divisé sur deux des quatre m1 complètes et d’un antérocône assez profondément fissuré, permet de rapprocher morphologiquement cette petite population de celle de
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<taxonomicName id="ABA64D04FFC7FF95FD5DFCC7FB56CA64" authority="Aguilar, 1995 de Lo Fournas" authorityName="Aguilar" authorityYear="1995" box="[767,1211,849,876]" class="Mammalia" family="Muridae" genus="Megacricetodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="509" phylum="Chordata" rank="species" species="fournasi">
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<emphasis id="5ED2EA95FFC7FF95FD5DFCC7FC96CA63" box="[767,891,849,875]" italics="true" pageId="8" pageNumber="509">M. fournasi</emphasis>
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<bibRefCitation id="08374B76FFC7FF95FC20FCC4FBFACA64" author="AGUILAR J. - P." box="[898,1047,849,876]" pageId="8" pageNumber="509" pagination="1 - 45" refId="ref7333" refString="AGUILAR J. - P. 1995. - Evolution de la lignee Megacricetodon collongensis - Megacricetodon roussillonensis (Cricetidae, Rodentia, Mammalia) dans le sud de la France. Palaeovertebrata 24 (1): 1 - 45." type="journal article" year="1995">Aguilar, 1995</bibRefCitation>
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de Lo Fournas
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</taxonomicName>
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2 qui présente de tels caractères alors que chez le stade moins évolué
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<taxonomicName id="ABA64D04FFC7FF95FCDEFC07FB58CAA4" authority="Aguilar, 1995" authorityName="Aguilar" authorityYear="1995" box="[892,1205,913,940]" class="Mammalia" family="Muridae" genus="Megacricetodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="509" phylum="Chordata" rank="species" species="lemartineli">
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<emphasis id="5ED2EA95FFC7FF95FCDEFC07FBF8CAA3" box="[892,1045,913,939]" italics="true" pageId="8" pageNumber="509">M. lemartineli</emphasis>
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<bibRefCitation id="08374B76FFC7FF95FBBCFC04FB58CAA4" author="AGUILAR J. - P." box="[1054,1205,913,940]" pageId="8" pageNumber="509" pagination="1 - 45" refId="ref7333" refString="AGUILAR J. - P. 1995. - Evolution de la lignee Megacricetodon collongensis - Megacricetodon roussillonensis (Cricetidae, Rodentia, Mammalia) dans le sud de la France. Palaeovertebrata 24 (1): 1 - 45." type="journal article" year="1995">Aguilar, 1995</bibRefCitation>
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</taxonomicName>
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, l’antéroconide n’est jamais aussi nettement fissuré (
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<bibRefCitation id="08374B76FFC7FF95FD0EFC45FCD2CAE3" author="AGUILAR J. - P." box="[684,831,976,1003]" pageId="8" pageNumber="509" pagination="1 - 45" refId="ref7333" refString="AGUILAR J. - P. 1995. - Evolution de la lignee Megacricetodon collongensis - Megacricetodon roussillonensis (Cricetidae, Rodentia, Mammalia) dans le sud de la France. Palaeovertebrata 24 (1): 1 - 45." type="journal article" year="1995">Aguilar 1995</bibRefCitation>
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).
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</paragraph>
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<paragraph id="6C193687FFC7FF95FD19FC65FC93CD42" blockId="8.[674,1211,628,1225]" pageId="8" pageNumber="509">
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En ce qui concerne les dimensions elles entrent dans les domaines de variation des espèces
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<taxonomicName id="ABA64D04FFC7FF95FBF6FB85FD36CD41" authorityName="Aguilar" authorityYear="1995" class="Mammalia" family="Muridae" genus="Megacricetodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="509" phylum="Chordata" rank="species" species="lemartineli">
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<emphasis id="5ED2EA95FFC7FF95FBF6FB85FD36CD41" italics="true" pageId="8" pageNumber="509">M. lemartineli</emphasis>
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</taxonomicName>
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||
et
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<taxonomicName id="ABA64D04FFC7FF95FD5EFBA5FC9ACD41" authorityName="Aguilar" authorityYear="1995" box="[764,887,1071,1097]" class="Mammalia" family="Muridae" genus="Megacricetodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="509" phylum="Chordata" rank="species" species="fournasi">
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<emphasis id="5ED2EA95FFC7FF95FD5EFBA5FC9ACD41" box="[764,887,1071,1097]" italics="true" pageId="8" pageNumber="509">M. fournasi</emphasis>
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</taxonomicName>
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.
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</paragraph>
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<paragraph id="6C193687FFC7FF95FD19FBDAFB8ACDC1" blockId="8.[674,1211,628,1225]" pageId="8" pageNumber="509">
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En conclusion, par la morphologie proche de
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<taxonomicName id="ABA64D04FFC7FF95FD04FBFAFCCCCD81" authorityName="Aguilar" authorityYear="1995" box="[678,801,1135,1161]" class="Mammalia" family="Muridae" genus="Megacricetodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="509" phylum="Chordata" rank="species" species="fournasi">
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<emphasis id="5ED2EA95FFC7FF95FD04FBFAFCCCCD81" box="[678,801,1135,1161]" italics="true" pageId="8" pageNumber="509">M. fournasi</emphasis>
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</taxonomicName>
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et les dimensions intermédiaires entre
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<taxonomicName id="ABA64D04FFC7FF95FD06FB1AFCF0CDA0" authorityName="Aguilar" authorityYear="1995" box="[676,797,1166,1192]" class="Mammalia" family="Muridae" genus="Megacricetodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="509" phylum="Chordata" rank="species" species="fournasi">
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<emphasis id="5ED2EA95FFC7FF95FD06FB1AFCF0CDA0" box="[676,797,1166,1192]" italics="true" pageId="8" pageNumber="509">M. fournasi</emphasis>
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</taxonomicName>
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et
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<taxonomicName id="ABA64D04FFC7FF95FC99FB1AFC3DCDA0" authorityName="Aguilar" authorityYear="1995" box="[827,976,1166,1192]" class="Mammalia" family="Muridae" genus="Megacricetodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="509" phylum="Chordata" rank="species" species="lemartineli">
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<emphasis id="5ED2EA95FFC7FF95FC99FB1AFC3DCDA0" box="[827,976,1166,1192]" italics="true" pageId="8" pageNumber="509">M. lemartineli</emphasis>
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</taxonomicName>
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, nous définirons cette petite population comme
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<taxonomicName id="ABA64D04FFC7FF95FC1FFB3AFB8DCDC0" authorityName="Aguilar" authorityYear="1995" box="[957,1120,1198,1225]" class="Mammalia" family="Muridae" genus="Megacricetodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="509" phylum="Chordata" rank="species" species="fournasi">
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<emphasis id="5ED2EA95FFC7FF95FC1FFB3AFC30CDC0" box="[957,989,1199,1224]" italics="true" pageId="8" pageNumber="509">M.</emphasis>
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aff.
|
||
<emphasis id="5ED2EA95FFC7FF95FBAEFB3BFB8DCDC0" box="[1036,1120,1198,1224]" italics="true" pageId="8" pageNumber="509">fournasi</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |