EdenteV2, France, Analysis, bibRecord, 000275

The pes of Pyramiodontherium bergi (Moreno & Mercerat, 1891) (Mammalia, Xenarthra, Phyllophaga): the most complete pes of a Tertiary Megatheriinae

Identifieur interne : 000275 ( France/Analysis ); précédent : 000274; suivant : 000276

The pes of Pyramiodontherium bergi (Moreno & Mercerat, 1891) (Mammalia, Xenarthra, Phyllophaga): the most complete pes of a Tertiary Megatheriinae

Auteurs : Diego Brandoni [Argentine] ; Alfredo A. Carlini [Argentine] ; Francois Pujos [Argentine, Pérou, France] ; Gustavo J. Scillato-Yane [Argentine]

Source :

Geodiversitas [ 1280-9659 ] ; 2004.

RBID : Pascal:05-0098695

Descripteurs français

Pascal (Inist)
- Catamarca, Mammalia, Xenarthra, Tertiaire, Spécimen caractéristique, Miocène sup, Pliocène, Morphologie, Biostratigraphie, Ossement.

English descriptors

KwdEn :
- Catamarca Argentina, Mammalia, Pliocene, Tertiary, Xenarthra, biostratigraphy, bones, morphology, type specimens, upper Miocene.

Abstract

The aim of this paper is to enlarge the description of the only known complete pes of a Tertiary megatherine and make comparisons with those of other members of the subfamily. The complete pes of the type specimen of Pyramiodontherium bergi (Moreno & Mercerat, 1891) (MLP 2-66) was found at the informally named "Araucanense" s.l. levels of Bajo de Andalhuala, Catamarca Province (late Miocene-Pliocene), Argentina. The elements of the pes show the general characters of other megatherines. However, the astragalar depression is not as deep as in Megatherium americanum Cuvier, 1796; the calcaneum is more slender than Eremotherium laurillardi (Lund, 1842); the navicular has two facets to articulate with the ectocuneiform; there are seven separate tarsal elements (calcaneum, astragalus, navicular, entocuneiform, mesocuneiform, ectocuneiform, and cuboid) while in other megatherines, usually the mesocuneiform and the entocuneiform are fused into a single element termed the mesoentocuneiform complex; the third digit is formed only by the proximal phalanx fused with the second phalanx, and digit IV, unlike Quaternary megatherines, has three phalanges. The presence of separated entocuneiform and mesocuneiform and three phalanges in the digit IV, are interpreted as plesiomorphic condition of the characters present in the Plio-Pleistocene genera. The plesiomorphic character states observed here could be useful to solve the megatherine polytomy proposed by De Iuliis (1996), and indicate more precisely the way the states of the characters were changed.

Affiliations:

Links toward previous steps (curation, corpus...)

to stream PascalFrancis, to step Corpus: 000524
to stream PascalFrancis, to step Curation: 000179
to stream PascalFrancis, to step Checkpoint: 000524
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to stream Main, to step Curation: 007B37
to stream Main, to step Exploration: 007B37
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Links to Exploration step

Pascal:05-0098695

Le document en format XML

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<author><name sortKey="Scillato Yane, Gustavo J" sort="Scillato Yane, Gustavo J" uniqKey="Scillato Yane G" first="Gustavo J." last="Scillato-Yane">Gustavo J. Scillato-Yane</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">The pes of Pyramiodontherium bergi (Moreno & Mercerat, 1891) (Mammalia, Xenarthra, Phyllophaga): the most complete pes of a Tertiary Megatheriinae</title>
<author><name sortKey="Brandoni, Diego" sort="Brandoni, Diego" uniqKey="Brandoni D" first="Diego" last="Brandoni">Diego Brandoni</name>
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<author><name sortKey="Pujos, Francois" sort="Pujos, Francois" uniqKey="Pujos F" first="Francois" last="Pujos">Francois Pujos</name>
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</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="06"><s1>Département Histoire de la Terre, Muséum national d'Histoire naturelle, UMR 5143 du CNRS, case postale 38, 8 rue Buffon</s1>
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<author><name sortKey="Scillato Yane, Gustavo J" sort="Scillato Yane, Gustavo J" uniqKey="Scillato Yane G" first="Gustavo J." last="Scillato-Yane">Gustavo J. Scillato-Yane</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Consejo Nacional de Investigaciones Cientificas y Técnicas (CONICET)</s1>
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<sZ>2 aut.</sZ>
<sZ>4 aut.</sZ>
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<series><title level="j" type="main">Geodiversitas</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Catamarca Argentina</term>
<term>Mammalia</term>
<term>Pliocene</term>
<term>Tertiary</term>
<term>Xenarthra</term>
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<term>bones</term>
<term>morphology</term>
<term>type specimens</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Catamarca</term>
<term>Mammalia</term>
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<front><div type="abstract" xml:lang="en">The aim of this paper is to enlarge the description of the only known complete pes of a Tertiary megatherine and make comparisons with those of other members of the subfamily. The complete pes of the type specimen of Pyramiodontherium bergi (Moreno & Mercerat, 1891) (MLP 2-66) was found at the informally named "Araucanense" s.l. levels of Bajo de Andalhuala, Catamarca Province (late Miocene-Pliocene), Argentina. The elements of the pes show the general characters of other megatherines. However, the astragalar depression is not as deep as in Megatherium americanum Cuvier, 1796; the calcaneum is more slender than Eremotherium laurillardi (Lund, 1842); the navicular has two facets to articulate with the ectocuneiform; there are seven separate tarsal elements (calcaneum, astragalus, navicular, entocuneiform, mesocuneiform, ectocuneiform, and cuboid) while in other megatherines, usually the mesocuneiform and the entocuneiform are fused into a single element termed the mesoentocuneiform complex; the third digit is formed only by the proximal phalanx fused with the second phalanx, and digit IV, unlike Quaternary megatherines, has three phalanges. The presence of separated entocuneiform and mesocuneiform and three phalanges in the digit IV, are interpreted as plesiomorphic condition of the characters present in the Plio-Pleistocene genera. The plesiomorphic character states observed here could be useful to solve the megatherine polytomy proposed by De Iuliis (1996), and indicate more precisely the way the states of the characters were changed.</div>
</front>
</TEI>
<affiliations><list><country><li>Argentine</li>
<li>France</li>
<li>Pérou</li>
</country>
<region><li>Île-de-France</li>
</region>
<settlement><li>Paris</li>
</settlement>
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<tree><country name="Argentine"><noRegion><name sortKey="Brandoni, Diego" sort="Brandoni, Diego" uniqKey="Brandoni D" first="Diego" last="Brandoni">Diego Brandoni</name>
</noRegion>
<name sortKey="Brandoni, Diego" sort="Brandoni, Diego" uniqKey="Brandoni D" first="Diego" last="Brandoni">Diego Brandoni</name>
<name sortKey="Carlini, Alfredo A" sort="Carlini, Alfredo A" uniqKey="Carlini A" first="Alfredo A." last="Carlini">Alfredo A. Carlini</name>
<name sortKey="Carlini, Alfredo A" sort="Carlini, Alfredo A" uniqKey="Carlini A" first="Alfredo A." last="Carlini">Alfredo A. Carlini</name>
<name sortKey="Carlini, Alfredo A" sort="Carlini, Alfredo A" uniqKey="Carlini A" first="Alfredo A." last="Carlini">Alfredo A. Carlini</name>
<name sortKey="Pujos, Francois" sort="Pujos, Francois" uniqKey="Pujos F" first="Francois" last="Pujos">Francois Pujos</name>
<name sortKey="Scillato Yane, Gustavo J" sort="Scillato Yane, Gustavo J" uniqKey="Scillato Yane G" first="Gustavo J." last="Scillato-Yane">Gustavo J. Scillato-Yane</name>
<name sortKey="Scillato Yane, Gustavo J" sort="Scillato Yane, Gustavo J" uniqKey="Scillato Yane G" first="Gustavo J." last="Scillato-Yane">Gustavo J. Scillato-Yane</name>
</country>
<country name="Pérou"><noRegion><name sortKey="Pujos, Francois" sort="Pujos, Francois" uniqKey="Pujos F" first="Francois" last="Pujos">Francois Pujos</name>
</noRegion>
</country>
<country name="France"><region name="Île-de-France"><name sortKey="Pujos, Francois" sort="Pujos, Francois" uniqKey="Pujos F" first="Francois" last="Pujos">Francois Pujos</name>
</region>
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</record>

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The pes of Pyramiodontherium bergi (Moreno & Mercerat, 1891) (Mammalia, Xenarthra, Phyllophaga): the most complete pes of a Tertiary Megatheriinae

The pes of Pyramiodontherium bergi (Moreno & Mercerat, 1891) (Mammalia, Xenarthra, Phyllophaga): the most complete pes of a Tertiary Megatheriinae

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri