La véritable nature de Megatherium laurillardi LUND, 1842 (Mammalia, Xenarthra) : Un nain parmi les géants
Identifieur interne : 009058 ( Main/Exploration ); précédent : 009057; suivant : 009059La véritable nature de Megatherium laurillardi LUND, 1842 (Mammalia, Xenarthra) : Un nain parmi les géants
Auteurs : Claude Guerin [France, Brésil] ; Martine Faure [Brésil, France]Source :
- Geobios : (Lyon) [ 0016-6995 ] ; 2000.
Descripteurs français
- Pascal (Inist)
- Wicri :
- geographic : Brésil.
English descriptors
- KwdEn :
Abstract
Some remains of a very small megatheriid have been uncovered in the Upper Pleistocene/Lower Holocene deposits of the Lagoa da Pedra at Conceição das Creoulas (Salgueiro, Pernambuco, Brazil). Among the remains are an adult maxillary with four molariforms, four isolated adult and four extremely juvenile isolated teeth. This material is identical to that found by P.W. Lund at Lagoa Santa in Minas Gerais, later described in 1842 as Megatherium laurillardii, and hence allowing us to allocate the taxon to the genus Eremotherium. Other remains have been found in São Raimundo Nonato Archaeological Area. The new material demonstrates that E. laurillardi is in no way a juvenile of the gigantic Eremotherium species commonly found in the Pleistocene of Intertropical South America, as was frequently thought to be the case. Clearly then, the species name laurillardi cannot be used for the large Eremotherium species whose name must be E. rusconii (SCHAUB, 1935). The real E. laurillardi, sympatric with the large species, with its' remarkable diminutive stature amongst the Pleistocene members of the family, is therefore known from four sites in North-Eastern and South-Eastern Brazil.
Affiliations:
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Americano</s1><s2>São Raimundo Nonato, Piauí</s2><s3>BRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Brésil</country><placeName><region type="state">Piauí</region></placeName></affiliation><affiliation wicri:level="3"><inist:fA14 i1="03"><s1>FRE 2158 du CNRS et Université Lumière-Lyon 2, 7 rue Raulin</s1><s2>69007 Lyon</s2><s3>FRA</s3><sZ>2 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Auvergne-Rhône-Alpes</region><region type="old region" nuts="2">Rhône-Alpes</region><settlement type="city">Lyon</settlement></placeName></affiliation></author></analytic><series><title level="j" type="main">Geobios : (Lyon)</title><title level="j" type="abbreviated">Geobios : (Lyon)</title><idno type="ISSN">0016-6995</idno><imprint><date when="2000">2000</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Geobios : (Lyon)</title><title level="j" type="abbreviated">Geobios : (Lyon)</title><idno type="ISSN">0016-6995</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Brazil</term><term>Pernambuco Brazil</term><term>Xenarthra</term><term>biostratigraphy</term><term>jaws</term><term>lower Holocene</term><term>taxonomy</term><term>teeth</term><term>upper Pleistocene</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Brésil</term><term>Pernambuco</term><term>Xenarthra</term><term>Holocène inf</term><term>Dent</term><term>Pléistocène sup</term><term>Taxinomie</term><term>Biostratigraphie</term><term>Mâchoire</term><term>Megatheriidae</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Brésil</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Some remains of a very small megatheriid have been uncovered in the Upper Pleistocene/Lower Holocene deposits of the Lagoa da Pedra at Conceição das Creoulas (Salgueiro, Pernambuco, Brazil). Among the remains are an adult maxillary with four molariforms, four isolated adult and four extremely juvenile isolated teeth. This material is identical to that found by P.W. Lund at Lagoa Santa in Minas Gerais, later described in 1842 as Megatherium laurillardii, and hence allowing us to allocate the taxon to the genus Eremotherium. Other remains have been found in São Raimundo Nonato Archaeological Area. The new material demonstrates that E. laurillardi is in no way a juvenile of the gigantic Eremotherium species commonly found in the Pleistocene of Intertropical South America, as was frequently thought to be the case. Clearly then, the species name laurillardi cannot be used for the large Eremotherium species whose name must be E. rusconii (SCHAUB, 1935). The real E. laurillardi, sympatric with the large species, with its' remarkable diminutive stature amongst the Pleistocene members of the family, is therefore known from four sites in North-Eastern and South-Eastern Brazil.</div></front></TEI><affiliations><list><country><li>Brésil</li><li>France</li></country><region><li>Auvergne-Rhône-Alpes</li><li>Piauí</li><li>Rhône-Alpes</li></region><settlement><li>Lyon</li><li>Villeurbanne</li></settlement></list><tree><country name="France"><region name="Auvergne-Rhône-Alpes"><name sortKey="Guerin, Claude" sort="Guerin, Claude" uniqKey="Guerin C" first="Claude" last="Guerin">Claude Guerin</name></region><name sortKey="Faure, Martine" sort="Faure, Martine" uniqKey="Faure M" first="Martine" last="Faure">Martine Faure</name></country><country name="Brésil"><region name="Piauí"><name sortKey="Guerin, Claude" sort="Guerin, Claude" uniqKey="Guerin C" first="Claude" last="Guerin">Claude Guerin</name></region><name sortKey="Faure, Martine" sort="Faure, Martine" uniqKey="Faure M" first="Martine" last="Faure">Martine Faure</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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