EdenteV1, PascalFrancis, Corpus, bibRecord, 000637

The smallest and most ancient representative of the genus Megatherium Cuvier, 1796 (Xenarthra, Tardigrada, Megatheriidae), from the Pliocene of the Bolivian Altiplano

Identifieur interne : 000637 ( PascalFrancis/Corpus ); précédent : 000636; suivant : 000638

The smallest and most ancient representative of the genus Megatherium Cuvier, 1796 (Xenarthra, Tardigrada, Megatheriidae), from the Pliocene of the Bolivian Altiplano

Auteurs : Pierre-Antoine Saint-Andre ; Gerardo De Iuliis

Source :

Geodiversitas [ 1280-9659 ] ; 2001.

RBID : Pascal:02-0090994

Descripteurs français

Pascal (Inist)
- Altiplano, Bolivie, Mammalia, Xenarthra, Pliocène, Biostratigraphie, Taxon nouveau, Crâne, Dent, Mâchoire, Ossement.

English descriptors

KwdEn :
- Altiplano, Bolivia, Mammalia, Pliocene, Xenarthra, biostratigraphy, bones, jaws, new taxa, skulls, teeth.

Abstract

A new species of Megatherium Cuvier, 1796, M. altiplanicum n. sp., from the Montehermosan (Pliocene) of the north central Altiplano of Bolivia is described. It represents the earliest and smallest species of its genus and is the sister species of Megatherium americanum Cuvier, 1796 based on the following synapomorphies: very deep horizontal ramus of the dentary, prominent torsion of the femoral diaphysis, relatively concave medial and lateral femoral margins, and reduced patellar trochlea. The premaxillae are derived in being fused to each other and the maxilla, and relatively robust, features shared with M. americanum and M. tarijense Gervais & Ameghino, 1880, but those of M. americanum are more robust and quadrangular. In size, the new species resembles Eremotherium sefvei De Iuliis & Saint-André, 1997, but in the latter the femoral diaphysis is moderately twisted, the femoral margins are more nearly rectilinear, and the patellar trochlea unreduced. The presence of the new species in the Montehermosan suggests that the genus Megatherium had emerged by the beginning of the Pliocene, and that the most recent common ancestor of the clade (including also M. americanum and M. tarijense), predates the Pliocene. Megatherium was apparently adapted to a temperate climate, as opposed to the more tropical range occupied by Eremotherium Spillmann, 1948. The discovery of the new species possibly indicates broad ecological similarity between the Pliocene Altiplano and the Argentinian lowlands, and that the clade may have originated on the Altiplano.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A03		`1`		`@0 Geodiversitas`
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A08	`01`	`1`	`ENG`	`@1 The smallest and most ancient representative of the genus Megatherium Cuvier, 1796 (Xenarthra, Tardigrada, Megatheriidae), from the Pliocene of the Bolivian Altiplano`
A11	`01`	`1`		`@1 SAINT-ANDRE (Pierre-Antoine)`
A11	`02`	`1`		`@1 DE IULIIS (Gerardo)`
A14	`01`			`@1 Laboratoire de Paléontologie, Muséum national d'Histoire naturelle, 8 rue Buffon @2 75231 Paris @3 FRA @Z 1 aut.`
A14	`02`			`@1 Department of Zoology, University of Toronto, 25 Harbord Street @2 Toronto, Ontario, M5S 3G5 @3 CAN @Z 2 aut.`
A14	`03`			`@1 Faculty of Community Services and Health Sciences, George Brown College, 200 King Street East @2 Toronto, Ontario, M5A 1J5 @3 CAN @Z 2 aut.`
A20				`@1 625-645 @7 2`
A21				`@1 2001`
A23	`01`			`@0 ENG`
A24	`01`			`@0 fre`
A43	`01`			`@1 INIST @2 801C @5 354000103204310040`
A44				`@0 0000 @1 © 2002 INIST-CNRS. All rights reserved.`
A45				`@0 1 p.1/4`
A47	`01`	`1`		`@0 02-0090994`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 Geodiversitas`
A66	`01`			`@0 FRA`
C01	`01`		`ENG`	@0 A new species of Megatherium Cuvier, 1796, M. altiplanicum n. sp., from the Montehermosan (Pliocene) of the north central Altiplano of Bolivia is described. It represents the earliest and smallest species of its genus and is the sister species of Megatherium americanum Cuvier, 1796 based on the following synapomorphies: very deep horizontal ramus of the dentary, prominent torsion of the femoral diaphysis, relatively concave medial and lateral femoral margins, and reduced patellar trochlea. The premaxillae are derived in being fused to each other and the maxilla, and relatively robust, features shared with M. americanum and M. tarijense Gervais & Ameghino, 1880, but those of M. americanum are more robust and quadrangular. In size, the new species resembles Eremotherium sefvei De Iuliis & Saint-André, 1997, but in the latter the femoral diaphysis is moderately twisted, the femoral margins are more nearly rectilinear, and the patellar trochlea unreduced. The presence of the new species in the Montehermosan suggests that the genus Megatherium had emerged by the beginning of the Pliocene, and that the most recent common ancestor of the clade (including also M. americanum and M. tarijense), predates the Pliocene. Megatherium was apparently adapted to a temperate climate, as opposed to the more tropical range occupied by Eremotherium Spillmann, 1948. The discovery of the new species possibly indicates broad ecological similarity between the Pliocene Altiplano and the Argentinian lowlands, and that the clade may have originated on the Altiplano.
C02	`01`	`2`		`@0 227A04`
C02	`02`	`2`		`@0 224A`
C02	`03`	`X`		`@0 001E01Q04`
C02	`04`	`X`		`@0 001E01I`
C03	`01`	`2`	`FRE`	`@0 Altiplano @2 NG @5 01`
C03	`01`	`2`	`ENG`	`@0 Altiplano @2 NG @5 01`
C03	`02`	`2`	`FRE`	`@0 Bolivie @2 NG @5 02`
C03	`02`	`2`	`ENG`	`@0 Bolivia @2 NG @5 02`
C03	`02`	`2`	`SPA`	`@0 Bolivia @2 NG @5 02`
C03	`03`	`2`	`FRE`	`@0 Mammalia @2 NY @5 05`
C03	`03`	`2`	`ENG`	`@0 Mammalia @2 NY @5 05`
C03	`03`	`2`	`SPA`	`@0 Mammalia @2 NY @5 05`
C03	`04`	`2`	`FRE`	`@0 Xenarthra @2 NY @5 06`
C03	`04`	`2`	`ENG`	`@0 Xenarthra @2 NY @5 06`
C03	`04`	`2`	`SPA`	`@0 Xenarthra @2 NY @5 06`
C03	`05`	`2`	`FRE`	`@0 Pliocène @2 NX @5 07`
C03	`05`	`2`	`ENG`	`@0 Pliocene @2 NX @5 07`
C03	`05`	`2`	`SPA`	`@0 Plioceno @2 NX @5 07`
C03	`06`	`2`	`FRE`	`@0 Biostratigraphie @5 10`
C03	`06`	`2`	`ENG`	`@0 biostratigraphy @5 10`
C03	`06`	`2`	`SPA`	`@0 Bioestratigrafía @5 10`
C03	`07`	`2`	`FRE`	`@0 Taxon nouveau @5 12`
C03	`07`	`2`	`ENG`	`@0 new taxa @5 12`
C03	`07`	`2`	`SPA`	`@0 Nuevo taxón @5 12`
C03	`08`	`2`	`FRE`	`@0 Crâne @5 14`
C03	`08`	`2`	`ENG`	`@0 skulls @5 14`
C03	`08`	`2`	`SPA`	`@0 Cráneo @5 14`
C03	`09`	`2`	`FRE`	`@0 Dent @5 15`
C03	`09`	`2`	`ENG`	`@0 teeth @5 15`
C03	`09`	`2`	`SPA`	`@0 Diente @5 15`
C03	`10`	`2`	`FRE`	`@0 Mâchoire @5 16`
C03	`10`	`2`	`ENG`	`@0 jaws @5 16`
C03	`10`	`2`	`SPA`	`@0 Maxilar @5 16`
C03	`11`	`2`	`FRE`	`@0 Ossement @5 17`
C03	`11`	`2`	`ENG`	`@0 bones @5 17`
C03	`11`	`2`	`SPA`	`@0 Osamenta @5 17`
C06				`@0 ILS @0 TAS`
C07	`01`	`2`	`FRE`	`@0 Andes @2 NG`
C07	`01`	`2`	`ENG`	`@0 Andes @2 NG`
C07	`01`	`2`	`SPA`	`@0 Andes @2 NG`
C07	`02`	`2`	`FRE`	`@0 Amérique du Sud`
C07	`02`	`2`	`ENG`	`@0 South America`
C07	`02`	`2`	`SPA`	`@0 America del sur`
C07	`03`	`2`	`FRE`	`@0 Tetrapoda @2 NY`
C07	`03`	`2`	`ENG`	`@0 Tetrapoda @2 NY`
C07	`03`	`2`	`SPA`	`@0 Tetrapoda @2 NY`
C07	`04`	`2`	`FRE`	`@0 Vertebrata @2 NY`
C07	`04`	`2`	`ENG`	`@0 Vertebrata @2 NY`
C07	`04`	`2`	`SPA`	`@0 Vertebrata @2 NY`
C07	`05`	`2`	`FRE`	`@0 Chordata`
C07	`05`	`2`	`ENG`	`@0 Chordata`
C07	`05`	`2`	`SPA`	`@0 Chordata`
C07	`06`	`2`	`FRE`	`@0 Edentata @2 NY`
C07	`06`	`2`	`ENG`	`@0 Edentata @2 NY`
C07	`06`	`2`	`SPA`	`@0 Edentata @2 NY`
C07	`07`	`2`	`FRE`	`@0 Eutheria @2 NY`
C07	`07`	`2`	`ENG`	`@0 Eutheria @2 NY`
C07	`08`	`2`	`FRE`	`@0 Theria @2 NY`
C07	`08`	`2`	`ENG`	`@0 Theria @2 NY`
C07	`09`	`2`	`FRE`	`@0 Néogène @2 NX`
C07	`09`	`2`	`ENG`	`@0 Neogene @2 NX`
C07	`09`	`2`	`SPA`	`@0 Neógeno @2 NX`
C07	`10`	`2`	`FRE`	`@0 Tertiaire sup @2 NX`
C07	`10`	`2`	`ENG`	`@0 upper Tertiary @2 NX`
C07	`11`	`2`	`FRE`	`@0 Tertiaire @2 NX`
C07	`11`	`2`	`ENG`	`@0 Tertiary @2 NX`
C07	`11`	`2`	`SPA`	`@0 Terciario @2 NX`
C07	`12`	`2`	`FRE`	`@0 Cénozoïque @2 NX`
C07	`12`	`2`	`ENG`	`@0 Cenozoic @2 NX`
C07	`12`	`2`	`SPA`	`@0 Cenozoico @2 NX`
C07	`13`	`2`	`FRE`	`@0 Phanérozoïque`
C07	`13`	`2`	`ENG`	`@0 Phanerozoic`
C07	`13`	`2`	`SPA`	`@0 Fanerozoico`
N21				`@1 042`

Format Inist (serveur)

NO :	PASCAL 02-0090994 INIST
ET :	The smallest and most ancient representative of the genus Megatherium Cuvier, 1796 (Xenarthra, Tardigrada, Megatheriidae), from the Pliocene of the Bolivian Altiplano
AU :	SAINT-ANDRE (Pierre-Antoine); DE IULIIS (Gerardo)
AF :	Laboratoire de Paléontologie, Muséum national d'Histoire naturelle, 8 rue Buffon/75231 Paris/France (1 aut.); Department of Zoology, University of Toronto, 25 Harbord Street/Toronto, Ontario, M5S 3G5/Canada (2 aut.); Faculty of Community Services and Health Sciences, George Brown College, 200 King Street East/Toronto, Ontario, M5A 1J5/Canada (2 aut.)
DT :	Publication en série; Niveau analytique
SO :	Geodiversitas; ISSN 1280-9659; France; Da. 2001; Vol. 23; No. 4; Pp. 625-645; Abs. français; Bibl. 1 p.1/4
LA :	Anglais
EA :	A new species of Megatherium Cuvier, 1796, M. altiplanicum n. sp., from the Montehermosan (Pliocene) of the north central Altiplano of Bolivia is described. It represents the earliest and smallest species of its genus and is the sister species of Megatherium americanum Cuvier, 1796 based on the following synapomorphies: very deep horizontal ramus of the dentary, prominent torsion of the femoral diaphysis, relatively concave medial and lateral femoral margins, and reduced patellar trochlea. The premaxillae are derived in being fused to each other and the maxilla, and relatively robust, features shared with M. americanum and M. tarijense Gervais & Ameghino, 1880, but those of M. americanum are more robust and quadrangular. In size, the new species resembles Eremotherium sefvei De Iuliis & Saint-André, 1997, but in the latter the femoral diaphysis is moderately twisted, the femoral margins are more nearly rectilinear, and the patellar trochlea unreduced. The presence of the new species in the Montehermosan suggests that the genus Megatherium had emerged by the beginning of the Pliocene, and that the most recent common ancestor of the clade (including also M. americanum and M. tarijense), predates the Pliocene. Megatherium was apparently adapted to a temperate climate, as opposed to the more tropical range occupied by Eremotherium Spillmann, 1948. The discovery of the new species possibly indicates broad ecological similarity between the Pliocene Altiplano and the Argentinian lowlands, and that the clade may have originated on the Altiplano.
CC :	227A04; 224A; 001E01Q04; 001E01I
FD :	Altiplano; Bolivie; Mammalia; Xenarthra; Pliocène; Biostratigraphie; Taxon nouveau; Crâne; Dent; Mâchoire; Ossement
FG :	Andes; Amérique du Sud; Tetrapoda; Vertebrata; Chordata; Edentata; Eutheria; Theria; Néogène; Tertiaire sup; Tertiaire; Cénozoïque; Phanérozoïque
ED :	Altiplano; Bolivia; Mammalia; Xenarthra; Pliocene; biostratigraphy; new taxa; skulls; teeth; jaws; bones
EG :	Andes; South America; Tetrapoda; Vertebrata; Chordata; Edentata; Eutheria; Theria; Neogene; upper Tertiary; Tertiary; Cenozoic; Phanerozoic
SD :	Bolivia; Mammalia; Xenarthra; Plioceno; Bioestratigrafía; Nuevo taxón; Cráneo; Diente; Maxilar; Osamenta
LO :	INIST-801C.354000103204310040
ID :	02-0090994

Links to Exploration step

Pascal:02-0090994

Le document en format XML

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<author><name sortKey="Saint Andre, Pierre Antoine" sort="Saint Andre, Pierre Antoine" uniqKey="Saint Andre P" first="Pierre-Antoine" last="Saint-Andre">Pierre-Antoine Saint-Andre</name>
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<author><name sortKey="De Iuliis, Gerardo" sort="De Iuliis, Gerardo" uniqKey="De Iuliis G" first="Gerardo" last="De Iuliis">Gerardo De Iuliis</name>
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<author><name sortKey="Saint Andre, Pierre Antoine" sort="Saint Andre, Pierre Antoine" uniqKey="Saint Andre P" first="Pierre-Antoine" last="Saint-Andre">Pierre-Antoine Saint-Andre</name>
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<author><name sortKey="De Iuliis, Gerardo" sort="De Iuliis, Gerardo" uniqKey="De Iuliis G" first="Gerardo" last="De Iuliis">Gerardo De Iuliis</name>
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<term>biostratigraphy</term>
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<front><div type="abstract" xml:lang="en">A new species of Megatherium Cuvier, 1796, M. altiplanicum n. sp., from the Montehermosan (Pliocene) of the north central Altiplano of Bolivia is described. It represents the earliest and smallest species of its genus and is the sister species of Megatherium americanum Cuvier, 1796 based on the following synapomorphies: very deep horizontal ramus of the dentary, prominent torsion of the femoral diaphysis, relatively concave medial and lateral femoral margins, and reduced patellar trochlea. The premaxillae are derived in being fused to each other and the maxilla, and relatively robust, features shared with M. americanum and M. tarijense Gervais & Ameghino, 1880, but those of M. americanum are more robust and quadrangular. In size, the new species resembles Eremotherium sefvei De Iuliis & Saint-André, 1997, but in the latter the femoral diaphysis is moderately twisted, the femoral margins are more nearly rectilinear, and the patellar trochlea unreduced. The presence of the new species in the Montehermosan suggests that the genus Megatherium had emerged by the beginning of the Pliocene, and that the most recent common ancestor of the clade (including also M. americanum and M. tarijense), predates the Pliocene. Megatherium was apparently adapted to a temperate climate, as opposed to the more tropical range occupied by Eremotherium Spillmann, 1948. The discovery of the new species possibly indicates broad ecological similarity between the Pliocene Altiplano and the Argentinian lowlands, and that the clade may have originated on the Altiplano.</div>
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<fC01 i1="01" l="ENG"><s0>A new species of Megatherium Cuvier, 1796, M. altiplanicum n. sp., from the Montehermosan (Pliocene) of the north central Altiplano of Bolivia is described. It represents the earliest and smallest species of its genus and is the sister species of Megatherium americanum Cuvier, 1796 based on the following synapomorphies: very deep horizontal ramus of the dentary, prominent torsion of the femoral diaphysis, relatively concave medial and lateral femoral margins, and reduced patellar trochlea. The premaxillae are derived in being fused to each other and the maxilla, and relatively robust, features shared with M. americanum and M. tarijense Gervais & Ameghino, 1880, but those of M. americanum are more robust and quadrangular. In size, the new species resembles Eremotherium sefvei De Iuliis & Saint-André, 1997, but in the latter the femoral diaphysis is moderately twisted, the femoral margins are more nearly rectilinear, and the patellar trochlea unreduced. The presence of the new species in the Montehermosan suggests that the genus Megatherium had emerged by the beginning of the Pliocene, and that the most recent common ancestor of the clade (including also M. americanum and M. tarijense), predates the Pliocene. Megatherium was apparently adapted to a temperate climate, as opposed to the more tropical range occupied by Eremotherium Spillmann, 1948. The discovery of the new species possibly indicates broad ecological similarity between the Pliocene Altiplano and the Argentinian lowlands, and that the clade may have originated on the Altiplano.</s0>
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</fC02>
<fC02 i1="03" i2="X"><s0>001E01Q04</s0>
</fC02>
<fC02 i1="04" i2="X"><s0>001E01I</s0>
</fC02>
<fC03 i1="01" i2="2" l="FRE"><s0>Altiplano</s0>
<s2>NG</s2>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="2" l="ENG"><s0>Altiplano</s0>
<s2>NG</s2>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="2" l="FRE"><s0>Bolivie</s0>
<s2>NG</s2>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="2" l="ENG"><s0>Bolivia</s0>
<s2>NG</s2>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="2" l="SPA"><s0>Bolivia</s0>
<s2>NG</s2>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="2" l="FRE"><s0>Mammalia</s0>
<s2>NY</s2>
<s5>05</s5>
</fC03>
<fC03 i1="03" i2="2" l="ENG"><s0>Mammalia</s0>
<s2>NY</s2>
<s5>05</s5>
</fC03>
<fC03 i1="03" i2="2" l="SPA"><s0>Mammalia</s0>
<s2>NY</s2>
<s5>05</s5>
</fC03>
<fC03 i1="04" i2="2" l="FRE"><s0>Xenarthra</s0>
<s2>NY</s2>
<s5>06</s5>
</fC03>
<fC03 i1="04" i2="2" l="ENG"><s0>Xenarthra</s0>
<s2>NY</s2>
<s5>06</s5>
</fC03>
<fC03 i1="04" i2="2" l="SPA"><s0>Xenarthra</s0>
<s2>NY</s2>
<s5>06</s5>
</fC03>
<fC03 i1="05" i2="2" l="FRE"><s0>Pliocène</s0>
<s2>NX</s2>
<s5>07</s5>
</fC03>
<fC03 i1="05" i2="2" l="ENG"><s0>Pliocene</s0>
<s2>NX</s2>
<s5>07</s5>
</fC03>
<fC03 i1="05" i2="2" l="SPA"><s0>Plioceno</s0>
<s2>NX</s2>
<s5>07</s5>
</fC03>
<fC03 i1="06" i2="2" l="FRE"><s0>Biostratigraphie</s0>
<s5>10</s5>
</fC03>
<fC03 i1="06" i2="2" l="ENG"><s0>biostratigraphy</s0>
<s5>10</s5>
</fC03>
<fC03 i1="06" i2="2" l="SPA"><s0>Bioestratigrafía</s0>
<s5>10</s5>
</fC03>
<fC03 i1="07" i2="2" l="FRE"><s0>Taxon nouveau</s0>
<s5>12</s5>
</fC03>
<fC03 i1="07" i2="2" l="ENG"><s0>new taxa</s0>
<s5>12</s5>
</fC03>
<fC03 i1="07" i2="2" l="SPA"><s0>Nuevo taxón</s0>
<s5>12</s5>
</fC03>
<fC03 i1="08" i2="2" l="FRE"><s0>Crâne</s0>
<s5>14</s5>
</fC03>
<fC03 i1="08" i2="2" l="ENG"><s0>skulls</s0>
<s5>14</s5>
</fC03>
<fC03 i1="08" i2="2" l="SPA"><s0>Cráneo</s0>
<s5>14</s5>
</fC03>
<fC03 i1="09" i2="2" l="FRE"><s0>Dent</s0>
<s5>15</s5>
</fC03>
<fC03 i1="09" i2="2" l="ENG"><s0>teeth</s0>
<s5>15</s5>
</fC03>
<fC03 i1="09" i2="2" l="SPA"><s0>Diente</s0>
<s5>15</s5>
</fC03>
<fC03 i1="10" i2="2" l="FRE"><s0>Mâchoire</s0>
<s5>16</s5>
</fC03>
<fC03 i1="10" i2="2" l="ENG"><s0>jaws</s0>
<s5>16</s5>
</fC03>
<fC03 i1="10" i2="2" l="SPA"><s0>Maxilar</s0>
<s5>16</s5>
</fC03>
<fC03 i1="11" i2="2" l="FRE"><s0>Ossement</s0>
<s5>17</s5>
</fC03>
<fC03 i1="11" i2="2" l="ENG"><s0>bones</s0>
<s5>17</s5>
</fC03>
<fC03 i1="11" i2="2" l="SPA"><s0>Osamenta</s0>
<s5>17</s5>
</fC03>
<fC06><s0>ILS</s0>
<s0>TAS</s0>
</fC06>
<fC07 i1="01" i2="2" l="FRE"><s0>Andes</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="01" i2="2" l="ENG"><s0>Andes</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="01" i2="2" l="SPA"><s0>Andes</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="02" i2="2" l="FRE"><s0>Amérique du Sud</s0>
</fC07>
<fC07 i1="02" i2="2" l="ENG"><s0>South America</s0>
</fC07>
<fC07 i1="02" i2="2" l="SPA"><s0>America del sur</s0>
</fC07>
<fC07 i1="03" i2="2" l="FRE"><s0>Tetrapoda</s0>
<s2>NY</s2>
</fC07>
<fC07 i1="03" i2="2" l="ENG"><s0>Tetrapoda</s0>
<s2>NY</s2>
</fC07>
<fC07 i1="03" i2="2" l="SPA"><s0>Tetrapoda</s0>
<s2>NY</s2>
</fC07>
<fC07 i1="04" i2="2" l="FRE"><s0>Vertebrata</s0>
<s2>NY</s2>
</fC07>
<fC07 i1="04" i2="2" l="ENG"><s0>Vertebrata</s0>
<s2>NY</s2>
</fC07>
<fC07 i1="04" i2="2" l="SPA"><s0>Vertebrata</s0>
<s2>NY</s2>
</fC07>
<fC07 i1="05" i2="2" l="FRE"><s0>Chordata</s0>
</fC07>
<fC07 i1="05" i2="2" l="ENG"><s0>Chordata</s0>
</fC07>
<fC07 i1="05" i2="2" l="SPA"><s0>Chordata</s0>
</fC07>
<fC07 i1="06" i2="2" l="FRE"><s0>Edentata</s0>
<s2>NY</s2>
</fC07>
<fC07 i1="06" i2="2" l="ENG"><s0>Edentata</s0>
<s2>NY</s2>
</fC07>
<fC07 i1="06" i2="2" l="SPA"><s0>Edentata</s0>
<s2>NY</s2>
</fC07>
<fC07 i1="07" i2="2" l="FRE"><s0>Eutheria</s0>
<s2>NY</s2>
</fC07>
<fC07 i1="07" i2="2" l="ENG"><s0>Eutheria</s0>
<s2>NY</s2>
</fC07>
<fC07 i1="08" i2="2" l="FRE"><s0>Theria</s0>
<s2>NY</s2>
</fC07>
<fC07 i1="08" i2="2" l="ENG"><s0>Theria</s0>
<s2>NY</s2>
</fC07>
<fC07 i1="09" i2="2" l="FRE"><s0>Néogène</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="09" i2="2" l="ENG"><s0>Neogene</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="09" i2="2" l="SPA"><s0>Neógeno</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="10" i2="2" l="FRE"><s0>Tertiaire sup</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="10" i2="2" l="ENG"><s0>upper Tertiary</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="11" i2="2" l="FRE"><s0>Tertiaire</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="11" i2="2" l="ENG"><s0>Tertiary</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="11" i2="2" l="SPA"><s0>Terciario</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="12" i2="2" l="FRE"><s0>Cénozoïque</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="12" i2="2" l="ENG"><s0>Cenozoic</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="12" i2="2" l="SPA"><s0>Cenozoico</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="13" i2="2" l="FRE"><s0>Phanérozoïque</s0>
</fC07>
<fC07 i1="13" i2="2" l="ENG"><s0>Phanerozoic</s0>
</fC07>
<fC07 i1="13" i2="2" l="SPA"><s0>Fanerozoico</s0>
</fC07>
<fN21><s1>042</s1>
</fN21>
</pA>
</standard>
<server><NO>PASCAL 02-0090994 INIST</NO>
<ET>The smallest and most ancient representative of the genus Megatherium Cuvier, 1796 (Xenarthra, Tardigrada, Megatheriidae), from the Pliocene of the Bolivian Altiplano</ET>
<AU>SAINT-ANDRE (Pierre-Antoine); DE IULIIS (Gerardo)</AU>
<AF>Laboratoire de Paléontologie, Muséum national d'Histoire naturelle, 8 rue Buffon/75231 Paris/France (1 aut.); Department of Zoology, University of Toronto, 25 Harbord Street/Toronto, Ontario, M5S 3G5/Canada (2 aut.); Faculty of Community Services and Health Sciences, George Brown College, 200 King Street East/Toronto, Ontario, M5A 1J5/Canada (2 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Geodiversitas; ISSN 1280-9659; France; Da. 2001; Vol. 23; No. 4; Pp. 625-645; Abs. français; Bibl. 1 p.1/4</SO>
<LA>Anglais</LA>
<EA>A new species of Megatherium Cuvier, 1796, M. altiplanicum n. sp., from the Montehermosan (Pliocene) of the north central Altiplano of Bolivia is described. It represents the earliest and smallest species of its genus and is the sister species of Megatherium americanum Cuvier, 1796 based on the following synapomorphies: very deep horizontal ramus of the dentary, prominent torsion of the femoral diaphysis, relatively concave medial and lateral femoral margins, and reduced patellar trochlea. The premaxillae are derived in being fused to each other and the maxilla, and relatively robust, features shared with M. americanum and M. tarijense Gervais & Ameghino, 1880, but those of M. americanum are more robust and quadrangular. In size, the new species resembles Eremotherium sefvei De Iuliis & Saint-André, 1997, but in the latter the femoral diaphysis is moderately twisted, the femoral margins are more nearly rectilinear, and the patellar trochlea unreduced. The presence of the new species in the Montehermosan suggests that the genus Megatherium had emerged by the beginning of the Pliocene, and that the most recent common ancestor of the clade (including also M. americanum and M. tarijense), predates the Pliocene. Megatherium was apparently adapted to a temperate climate, as opposed to the more tropical range occupied by Eremotherium Spillmann, 1948. The discovery of the new species possibly indicates broad ecological similarity between the Pliocene Altiplano and the Argentinian lowlands, and that the clade may have originated on the Altiplano.</EA>
<CC>227A04; 224A; 001E01Q04; 001E01I</CC>
<FD>Altiplano; Bolivie; Mammalia; Xenarthra; Pliocène; Biostratigraphie; Taxon nouveau; Crâne; Dent; Mâchoire; Ossement</FD>
<FG>Andes; Amérique du Sud; Tetrapoda; Vertebrata; Chordata; Edentata; Eutheria; Theria; Néogène; Tertiaire sup; Tertiaire; Cénozoïque; Phanérozoïque</FG>
<ED>Altiplano; Bolivia; Mammalia; Xenarthra; Pliocene; biostratigraphy; new taxa; skulls; teeth; jaws; bones</ED>
<EG>Andes; South America; Tetrapoda; Vertebrata; Chordata; Edentata; Eutheria; Theria; Neogene; upper Tertiary; Tertiary; Cenozoic; Phanerozoic</EG>
<SD>Bolivia; Mammalia; Xenarthra; Plioceno; Bioestratigrafía; Nuevo taxón; Cráneo; Diente; Maxilar; Osamenta</SD>
<LO>INIST-801C.354000103204310040</LO>
<ID>02-0090994</ID>
</server>
</inist>
</record>

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The smallest and most ancient representative of the genus Megatherium Cuvier, 1796 (Xenarthra, Tardigrada, Megatheriidae), from the Pliocene of the Bolivian Altiplano

The smallest and most ancient representative of the genus Megatherium Cuvier, 1796 (Xenarthra, Tardigrada, Megatheriidae), from the Pliocene of the Bolivian Altiplano

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