Una nueva especie de Neuryurus Ameghino (Mammalia, Glyptodontidae) en el Pleistoceno tardío de la Mesopotamia de Argentina
Identifieur interne : 000257 ( PascalFrancis/Corpus ); précédent : 000256; suivant : 000258Una nueva especie de Neuryurus Ameghino (Mammalia, Glyptodontidae) en el Pleistoceno tardío de la Mesopotamia de Argentina
Auteurs : Alfredo Eduardo Zurita ; Brenda Soledad FerreroSource :
- Geobios : (Lyon) [ 0016-6995 ] ; 2009.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Among the South American Pleistocene Glyptodontidae (Xenarthra, Cingulata), one of the most scarcely represented genus in the fossil record is Neuryurus Ameghino, in which the only well characterized species, until now, is Neuryurus rudis (Gervais), coming from the Ensenadan (early-middle Pleistocene) of the Pampean region, Argentina. In this contribution, we report and describe a new species of Neuryurus, coming from the Arroyo Feliciano Formation (early Lujanian; ca. 130 ka), Entre Rios province, Argentina, in a particular palaebiogeographic context, more associated with the western sector of Uruguay and southern Brazil than the Pampean region. From a morphological perspective, this new taxon is characterized by: (a) the remarkable development of the foramina at the exposed surface of the osteoderms of the dorsal carapace, showing un aspect almost spongy; (b) the large diameter of the perforations observed in the ventral surface of the osteoderms, resembling to those present in the dorsal surface of the osteoderms of the Glyptodontidae Doedicurinae; (c) the evident thickness of the osteoderms, as in Glyptodon Owen; (d) area of contact and articulation of adjacent osteoderms very denticulate, with deep osseous interdigitating projections, as in Glyptodon and Glyptotherium Osborn, but here more evident; (e) larger osteoderms of the dorsal carapace showing, in the dorsal surface, many little conical tubercles, having some resemblance to Panochthus tuberculatus Burmeister. The presence of this new species in the early late Pleistocene of the Mesopotamic region is another element that adds to the biogeographical characterization of this particular area, especially evident during the warm and humid pulses of the late Pleistocene. In turn, this species represents the most complete record of the genus outside the Pampean region and partially complete the stratigraphic and geographic distribution of the genus.
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| NO : | PASCAL 09-0450878 INIST |
|---|---|
| ET : | (A new species of Neuryurus Ameghino (Mammalia, Glyptodontidae) from the late Pleistocene of the Mesopotamic region of Argentina) |
| ST : | Una nueva especie de Neuryurus Ameghino (Mammalia, Glyptodontidae) en el Pleistoceno tardío de la Mesopotamia de Argentina |
| AU : | EDUARDO ZURITA (Alfredo); SOLEDAD FERRERO (Brenda) |
| AF : | Centro de Ecología Aplicada del Litoral (CECOAL-CONICET), Universidad Nacional del Nordeste (UNNE), Ruta 5, km 2,5 CC/128 (3400) Corrientes/Argentine (1 aut.); Laboratorio de Paleontología de Vertebrados, CICYTTP-COMCEI Materi y España, (3105) Diamante, Entre Ríos/Argentine (2 aut.) |
| DT : | Publication en série; Niveau analytique |
| SO : | Geobios : (Lyon); ISSN 0016-6995; France; Da. 2009; Vol. 42; No. 5; Pp. 663-673; Abs. anglais/français; Bibl. 1 p.3/4 |
| LA : | Espagnol |
| EA : | Among the South American Pleistocene Glyptodontidae (Xenarthra, Cingulata), one of the most scarcely represented genus in the fossil record is Neuryurus Ameghino, in which the only well characterized species, until now, is Neuryurus rudis (Gervais), coming from the Ensenadan (early-middle Pleistocene) of the Pampean region, Argentina. In this contribution, we report and describe a new species of Neuryurus, coming from the Arroyo Feliciano Formation (early Lujanian; ca. 130 ka), Entre Rios province, Argentina, in a particular palaebiogeographic context, more associated with the western sector of Uruguay and southern Brazil than the Pampean region. From a morphological perspective, this new taxon is characterized by: (a) the remarkable development of the foramina at the exposed surface of the osteoderms of the dorsal carapace, showing un aspect almost spongy; (b) the large diameter of the perforations observed in the ventral surface of the osteoderms, resembling to those present in the dorsal surface of the osteoderms of the Glyptodontidae Doedicurinae; (c) the evident thickness of the osteoderms, as in Glyptodon Owen; (d) area of contact and articulation of adjacent osteoderms very denticulate, with deep osseous interdigitating projections, as in Glyptodon and Glyptotherium Osborn, but here more evident; (e) larger osteoderms of the dorsal carapace showing, in the dorsal surface, many little conical tubercles, having some resemblance to Panochthus tuberculatus Burmeister. The presence of this new species in the early late Pleistocene of the Mesopotamic region is another element that adds to the biogeographical characterization of this particular area, especially evident during the warm and humid pulses of the late Pleistocene. In turn, this species represents the most complete record of the genus outside the Pampean region and partially complete the stratigraphic and geographic distribution of the genus. |
| CC : | 001E01Q04; 001E01P02; 227A04; 226C02 |
| FD : | Mammalia; Biostratigraphie; Xenarthra; Taxon nouveau; Taxinomie; Biogéographie; Pléistocène sup; Paléobiogéographie; Province Entre Rios; Formation Arroyo Feliciano; Cingulata; Neuryurini; Argentine |
| FG : | Tetrapoda; Vertebrata; Chordata; Edentata; Eutheria; Theria; Pléistocène; Quaternaire; Cénozoïque; Phanérozoïque; Amérique du Sud |
| ED : | Mammalia; biostratigraphy; Xenarthra; new taxa; taxonomy; biogeography; upper Pleistocene; paleobiogeography; Argentina |
| EG : | Tetrapoda; Vertebrata; Chordata; Edentata; Eutheria; Theria; Pleistocene; Quaternary; Cenozoic; Phanerozoic; South America |
| SD : | Mammalia; Bioestratigrafía; Xenarthra; Nuevo taxón; Taxonomía; Biogeografía; Argentina |
| LO : | INIST-14199.354000171136070090 |
| ID : | 09-0450878 |
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="SPA" level="a">Una nueva especie de Neuryurus Ameghino (Mammalia, Glyptodontidae) en el Pleistoceno tardío de la Mesopotamia de Argentina</title><author><name sortKey="Eduardo Zurita, Alfredo" sort="Eduardo Zurita, Alfredo" uniqKey="Eduardo Zurita A" first="Alfredo" last="Eduardo Zurita">Alfredo Eduardo Zurita</name><affiliation><inist:fA14 i1="01"><s1>Centro de Ecología Aplicada del Litoral (CECOAL-CONICET), Universidad Nacional del Nordeste (UNNE), Ruta 5, km 2,5 CC</s1><s2>128 (3400) Corrientes</s2><s3>ARG</s3><sZ>1 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Soledad Ferrero, Brenda" sort="Soledad Ferrero, Brenda" uniqKey="Soledad Ferrero B" first="Brenda" last="Soledad Ferrero">Brenda Soledad Ferrero</name><affiliation><inist:fA14 i1="02"><s1>Laboratorio de Paleontología de Vertebrados, CICYTTP-COMCEI Materi y España, (3105) Diamante, Entre Ríos</s1><s3>ARG</s3><sZ>2 aut.</sZ></inist:fA14></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">09-0450878</idno><date when="2009">2009</date><idno type="stanalyst">PASCAL 09-0450878 INIST</idno><idno type="RBID">Pascal:09-0450878</idno><idno type="wicri:Area/PascalFrancis/Corpus">000257</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="SPA" level="a">Una nueva especie de Neuryurus Ameghino (Mammalia, Glyptodontidae) en el Pleistoceno tardío de la Mesopotamia de Argentina</title><author><name sortKey="Eduardo Zurita, Alfredo" sort="Eduardo Zurita, Alfredo" uniqKey="Eduardo Zurita A" first="Alfredo" last="Eduardo Zurita">Alfredo Eduardo Zurita</name><affiliation><inist:fA14 i1="01"><s1>Centro de Ecología Aplicada del Litoral (CECOAL-CONICET), Universidad Nacional del Nordeste (UNNE), Ruta 5, km 2,5 CC</s1><s2>128 (3400) Corrientes</s2><s3>ARG</s3><sZ>1 aut.</sZ></inist:fA14></affiliation></author><author><name sortKey="Soledad Ferrero, Brenda" sort="Soledad Ferrero, Brenda" uniqKey="Soledad Ferrero B" first="Brenda" last="Soledad Ferrero">Brenda Soledad Ferrero</name><affiliation><inist:fA14 i1="02"><s1>Laboratorio de Paleontología de Vertebrados, CICYTTP-COMCEI Materi y España, (3105) Diamante, Entre Ríos</s1><s3>ARG</s3><sZ>2 aut.</sZ></inist:fA14></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="2009">2009</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>Argentina</term><term>Mammalia</term><term>Xenarthra</term><term>biogeography</term><term>biostratigraphy</term><term>new taxa</term><term>paleobiogeography</term><term>taxonomy</term><term>upper Pleistocene</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Mammalia</term><term>Biostratigraphie</term><term>Xenarthra</term><term>Taxon nouveau</term><term>Taxinomie</term><term>Biogéographie</term><term>Pléistocène sup</term><term>Paléobiogéographie</term><term>Province Entre Rios</term><term>Formation Arroyo Feliciano</term><term>Cingulata</term><term>Neuryurini</term><term>Argentine</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Among the South American Pleistocene Glyptodontidae (Xenarthra, Cingulata), one of the most scarcely represented genus in the fossil record is Neuryurus Ameghino, in which the only well characterized species, until now, is Neuryurus rudis (Gervais), coming from the Ensenadan (early-middle Pleistocene) of the Pampean region, Argentina. In this contribution, we report and describe a new species of Neuryurus, coming from the Arroyo Feliciano Formation (early Lujanian; ca. 130 ka), Entre Rios province, Argentina, in a particular palaebiogeographic context, more associated with the western sector of Uruguay and southern Brazil than the Pampean region. From a morphological perspective, this new taxon is characterized by: (a) the remarkable development of the foramina at the exposed surface of the osteoderms of the dorsal carapace, showing un aspect almost spongy; (b) the large diameter of the perforations observed in the ventral surface of the osteoderms, resembling to those present in the dorsal surface of the osteoderms of the Glyptodontidae Doedicurinae; (c) the evident thickness of the osteoderms, as in Glyptodon Owen; (d) area of contact and articulation of adjacent osteoderms very denticulate, with deep osseous interdigitating projections, as in Glyptodon and Glyptotherium Osborn, but here more evident; (e) larger osteoderms of the dorsal carapace showing, in the dorsal surface, many little conical tubercles, having some resemblance to Panochthus tuberculatus Burmeister. The presence of this new species in the early late Pleistocene of the Mesopotamic region is another element that adds to the biogeographical characterization of this particular area, especially evident during the warm and humid pulses of the late Pleistocene. In turn, this species represents the most complete record of the genus outside the Pampean region and partially complete the stratigraphic and geographic distribution of the genus.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0016-6995</s0></fA01><fA03 i2="1"><s0>Geobios : (Lyon)</s0></fA03><fA05><s2>42</s2></fA05><fA06><s2>5</s2></fA06><fA08 i1="01" i2="1" l="SPA"><s1>Una nueva especie de Neuryurus Ameghino (Mammalia, Glyptodontidae) en el Pleistoceno tardío de la Mesopotamia de Argentina</s1></fA08><fA11 i1="01" i2="1"><s1>EDUARDO ZURITA (Alfredo)</s1></fA11><fA11 i1="02" i2="1"><s1>SOLEDAD FERRERO (Brenda)</s1></fA11><fA14 i1="01"><s1>Centro de Ecología Aplicada del Litoral (CECOAL-CONICET), Universidad Nacional del Nordeste (UNNE), Ruta 5, km 2,5 CC</s1><s2>128 (3400) Corrientes</s2><s3>ARG</s3><sZ>1 aut.</sZ></fA14><fA14 i1="02"><s1>Laboratorio de Paleontología de Vertebrados, CICYTTP-COMCEI Materi y España, (3105) Diamante, Entre Ríos</s1><s3>ARG</s3><sZ>2 aut.</sZ></fA14><fA20><s1>663-673</s1></fA20><fA21><s1>2009</s1></fA21><fA23 i1="01"><s0>SPA</s0></fA23><fA24 i1="01"><s0>eng</s0></fA24><fA24 i1="02"><s0>fre</s0></fA24><fA43 i1="01"><s1>INIST</s1><s2>14199</s2><s5>354000171136070090</s5></fA43><fA44><s0>0000</s0><s1>© 2009 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>1 p.3/4</s0></fA45><fA47 i1="01" i2="1"><s0>09-0450878</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Geobios : (Lyon)</s0></fA64><fA66 i1="01"><s0>FRA</s0></fA66><fA68 i1="01" i2="1" l="ENG"><s1>A new species of Neuryurus Ameghino (Mammalia, Glyptodontidae) from the late Pleistocene of the Mesopotamic region of Argentina</s1></fA68><fC01 i1="01" l="ENG"><s0>Among the South American Pleistocene Glyptodontidae (Xenarthra, Cingulata), one of the most scarcely represented genus in the fossil record is Neuryurus Ameghino, in which the only well characterized species, until now, is Neuryurus rudis (Gervais), coming from the Ensenadan (early-middle Pleistocene) of the Pampean region, Argentina. In this contribution, we report and describe a new species of Neuryurus, coming from the Arroyo Feliciano Formation (early Lujanian; ca. 130 ka), Entre Rios province, Argentina, in a particular palaebiogeographic context, more associated with the western sector of Uruguay and southern Brazil than the Pampean region. From a morphological perspective, this new taxon is characterized by: (a) the remarkable development of the foramina at the exposed surface of the osteoderms of the dorsal carapace, showing un aspect almost spongy; (b) the large diameter of the perforations observed in the ventral surface of the osteoderms, resembling to those present in the dorsal surface of the osteoderms of the Glyptodontidae Doedicurinae; (c) the evident thickness of the osteoderms, as in Glyptodon Owen; (d) area of contact and articulation of adjacent osteoderms very denticulate, with deep osseous interdigitating projections, as in Glyptodon and Glyptotherium Osborn, but here more evident; (e) larger osteoderms of the dorsal carapace showing, in the dorsal surface, many little conical tubercles, having some resemblance to Panochthus tuberculatus Burmeister. The presence of this new species in the early late Pleistocene of the Mesopotamic region is another element that adds to the biogeographical characterization of this particular area, especially evident during the warm and humid pulses of the late Pleistocene. In turn, this species represents the most complete record of the genus outside the Pampean region and partially complete the stratigraphic and geographic distribution of the genus.</s0></fC01><fC02 i1="01" i2="2"><s0>001E01Q04</s0></fC02><fC02 i1="02" i2="2"><s0>001E01P02</s0></fC02><fC02 i1="03" i2="2"><s0>227A04</s0></fC02><fC02 i1="04" i2="2"><s0>226C02</s0></fC02><fC03 i1="01" i2="2" l="FRE"><s0>Mammalia</s0><s2>NY</s2><s5>01</s5></fC03><fC03 i1="01" i2="2" l="ENG"><s0>Mammalia</s0><s2>NY</s2><s5>01</s5></fC03><fC03 i1="01" i2="2" l="SPA"><s0>Mammalia</s0><s2>NY</s2><s5>01</s5></fC03><fC03 i1="02" i2="2" l="FRE"><s0>Biostratigraphie</s0><s5>03</s5></fC03><fC03 i1="02" i2="2" l="ENG"><s0>biostratigraphy</s0><s5>03</s5></fC03><fC03 i1="02" i2="2" l="SPA"><s0>Bioestratigrafía</s0><s5>03</s5></fC03><fC03 i1="03" i2="2" l="FRE"><s0>Xenarthra</s0><s2>NY</s2><s5>04</s5></fC03><fC03 i1="03" i2="2" l="ENG"><s0>Xenarthra</s0><s2>NY</s2><s5>04</s5></fC03><fC03 i1="03" i2="2" l="SPA"><s0>Xenarthra</s0><s2>NY</s2><s5>04</s5></fC03><fC03 i1="04" i2="2" l="FRE"><s0>Taxon nouveau</s0><s5>06</s5></fC03><fC03 i1="04" i2="2" l="ENG"><s0>new taxa</s0><s5>06</s5></fC03><fC03 i1="04" i2="2" l="SPA"><s0>Nuevo taxón</s0><s5>06</s5></fC03><fC03 i1="05" i2="2" l="FRE"><s0>Taxinomie</s0><s5>07</s5></fC03><fC03 i1="05" i2="2" l="ENG"><s0>taxonomy</s0><s5>07</s5></fC03><fC03 i1="05" i2="2" l="SPA"><s0>Taxonomía</s0><s5>07</s5></fC03><fC03 i1="06" i2="2" l="FRE"><s0>Biogéographie</s0><s5>08</s5></fC03><fC03 i1="06" i2="2" l="ENG"><s0>biogeography</s0><s5>08</s5></fC03><fC03 i1="06" i2="2" l="SPA"><s0>Biogeografía</s0><s5>08</s5></fC03><fC03 i1="07" i2="2" l="FRE"><s0>Pléistocène sup</s0><s2>NX</s2><s5>09</s5></fC03><fC03 i1="07" i2="2" l="ENG"><s0>upper Pleistocene</s0><s2>NX</s2><s5>09</s5></fC03><fC03 i1="08" i2="2" l="FRE"><s0>Paléobiogéographie</s0><s5>10</s5></fC03><fC03 i1="08" i2="2" l="ENG"><s0>paleobiogeography</s0><s5>10</s5></fC03><fC03 i1="09" i2="2" l="FRE"><s0>Province Entre Rios</s0><s4>INC</s4><s5>52</s5></fC03><fC03 i1="10" i2="2" l="FRE"><s0>Formation Arroyo Feliciano</s0><s4>INC</s4><s5>53</s5></fC03><fC03 i1="11" i2="2" l="FRE"><s0>Cingulata</s0><s4>INC</s4><s5>54</s5></fC03><fC03 i1="12" i2="2" l="FRE"><s0>Neuryurini</s0><s4>INC</s4><s5>55</s5></fC03><fC03 i1="13" i2="2" l="FRE"><s0>Argentine</s0><s2>NG</s2><s5>62</s5></fC03><fC03 i1="13" i2="2" l="ENG"><s0>Argentina</s0><s2>NG</s2><s5>62</s5></fC03><fC03 i1="13" i2="2" l="SPA"><s0>Argentina</s0><s2>NG</s2><s5>62</s5></fC03><fC07 i1="01" i2="2" l="FRE"><s0>Tetrapoda</s0><s2>NY</s2></fC07><fC07 i1="01" i2="2" l="ENG"><s0>Tetrapoda</s0><s2>NY</s2></fC07><fC07 i1="01" i2="2" l="SPA"><s0>Tetrapoda</s0><s2>NY</s2></fC07><fC07 i1="02" i2="2" l="FRE"><s0>Vertebrata</s0><s2>NY</s2></fC07><fC07 i1="02" i2="2" l="ENG"><s0>Vertebrata</s0><s2>NY</s2></fC07><fC07 i1="02" i2="2" l="SPA"><s0>Vertebrata</s0><s2>NY</s2></fC07><fC07 i1="03" i2="2" l="FRE"><s0>Chordata</s0></fC07><fC07 i1="03" i2="2" l="ENG"><s0>Chordata</s0></fC07><fC07 i1="03" i2="2" l="SPA"><s0>Chordata</s0></fC07><fC07 i1="04" i2="2" l="FRE"><s0>Edentata</s0><s2>NY</s2></fC07><fC07 i1="04" i2="2" l="ENG"><s0>Edentata</s0><s2>NY</s2></fC07><fC07 i1="04" i2="2" l="SPA"><s0>Edentata</s0><s2>NY</s2></fC07><fC07 i1="05" i2="2" l="FRE"><s0>Eutheria</s0><s2>NY</s2></fC07><fC07 i1="05" i2="2" l="ENG"><s0>Eutheria</s0><s2>NY</s2></fC07><fC07 i1="06" i2="2" l="FRE"><s0>Theria</s0><s2>NY</s2></fC07><fC07 i1="06" i2="2" l="ENG"><s0>Theria</s0><s2>NY</s2></fC07><fC07 i1="07" i2="2" l="FRE"><s0>Pléistocène</s0><s2>NX</s2></fC07><fC07 i1="07" i2="2" l="ENG"><s0>Pleistocene</s0><s2>NX</s2></fC07><fC07 i1="08" i2="2" l="FRE"><s0>Quaternaire</s0><s2>NX</s2></fC07><fC07 i1="08" i2="2" l="ENG"><s0>Quaternary</s0><s2>NX</s2></fC07><fC07 i1="08" i2="2" l="SPA"><s0>Cuaternario</s0><s2>NX</s2></fC07><fC07 i1="09" i2="2" l="FRE"><s0>Cénozoïque</s0><s2>NX</s2></fC07><fC07 i1="09" i2="2" l="ENG"><s0>Cenozoic</s0><s2>NX</s2></fC07><fC07 i1="09" i2="2" l="SPA"><s0>Cenozoico</s0><s2>NX</s2></fC07><fC07 i1="10" i2="2" l="FRE"><s0>Phanérozoïque</s0><s2>NX</s2></fC07><fC07 i1="10" i2="2" l="ENG"><s0>Phanerozoic</s0><s2>NX</s2></fC07><fC07 i1="10" i2="2" l="SPA"><s0>Fanerozoico</s0><s2>NX</s2></fC07><fC07 i1="11" i2="2" l="FRE"><s0>Amérique du Sud</s0><s2>564</s2></fC07><fC07 i1="11" i2="2" l="ENG"><s0>South America</s0><s2>564</s2></fC07><fC07 i1="11" i2="2" l="SPA"><s0>America del sur</s0><s2>564</s2></fC07><fN21><s1>327</s1></fN21></pA></standard><server><NO>PASCAL 09-0450878 INIST</NO><ET>(A new species of Neuryurus Ameghino (Mammalia, Glyptodontidae) from the late Pleistocene of the Mesopotamic region of Argentina)</ET><ST>Una nueva especie de Neuryurus Ameghino (Mammalia, Glyptodontidae) en el Pleistoceno tardío de la Mesopotamia de Argentina</ST><AU>EDUARDO ZURITA (Alfredo); SOLEDAD FERRERO (Brenda)</AU><AF>Centro de Ecología Aplicada del Litoral (CECOAL-CONICET), Universidad Nacional del Nordeste (UNNE), Ruta 5, km 2,5 CC/128 (3400) Corrientes/Argentine (1 aut.); Laboratorio de Paleontología de Vertebrados, CICYTTP-COMCEI Materi y España, (3105) Diamante, Entre Ríos/Argentine (2 aut.)</AF><DT>Publication en série; Niveau analytique</DT><SO>Geobios : (Lyon); ISSN 0016-6995; France; Da. 2009; Vol. 42; No. 5; Pp. 663-673; Abs. anglais/français; Bibl. 1 p.3/4</SO><LA>Espagnol</LA><EA>Among the South American Pleistocene Glyptodontidae (Xenarthra, Cingulata), one of the most scarcely represented genus in the fossil record is Neuryurus Ameghino, in which the only well characterized species, until now, is Neuryurus rudis (Gervais), coming from the Ensenadan (early-middle Pleistocene) of the Pampean region, Argentina. In this contribution, we report and describe a new species of Neuryurus, coming from the Arroyo Feliciano Formation (early Lujanian; ca. 130 ka), Entre Rios province, Argentina, in a particular palaebiogeographic context, more associated with the western sector of Uruguay and southern Brazil than the Pampean region. From a morphological perspective, this new taxon is characterized by: (a) the remarkable development of the foramina at the exposed surface of the osteoderms of the dorsal carapace, showing un aspect almost spongy; (b) the large diameter of the perforations observed in the ventral surface of the osteoderms, resembling to those present in the dorsal surface of the osteoderms of the Glyptodontidae Doedicurinae; (c) the evident thickness of the osteoderms, as in Glyptodon Owen; (d) area of contact and articulation of adjacent osteoderms very denticulate, with deep osseous interdigitating projections, as in Glyptodon and Glyptotherium Osborn, but here more evident; (e) larger osteoderms of the dorsal carapace showing, in the dorsal surface, many little conical tubercles, having some resemblance to Panochthus tuberculatus Burmeister. The presence of this new species in the early late Pleistocene of the Mesopotamic region is another element that adds to the biogeographical characterization of this particular area, especially evident during the warm and humid pulses of the late Pleistocene. In turn, this species represents the most complete record of the genus outside the Pampean region and partially complete the stratigraphic and geographic distribution of the genus.</EA><CC>001E01Q04; 001E01P02; 227A04; 226C02</CC><FD>Mammalia; Biostratigraphie; Xenarthra; Taxon nouveau; Taxinomie; Biogéographie; Pléistocène sup; Paléobiogéographie; Province Entre Rios; Formation Arroyo Feliciano; Cingulata; Neuryurini; Argentine</FD><FG>Tetrapoda; Vertebrata; Chordata; Edentata; Eutheria; Theria; Pléistocène; Quaternaire; Cénozoïque; Phanérozoïque; Amérique du Sud</FG><ED>Mammalia; biostratigraphy; Xenarthra; new taxa; taxonomy; biogeography; upper Pleistocene; paleobiogeography; Argentina</ED><EG>Tetrapoda; Vertebrata; Chordata; Edentata; Eutheria; Theria; Pleistocene; Quaternary; Cenozoic; Phanerozoic; South America</EG><SD>Mammalia; Bioestratigrafía; Xenarthra; Nuevo taxón; Taxonomía; Biogeografía; Argentina</SD><LO>INIST-14199.354000171136070090</LO><ID>09-0450878</ID></server></inist></record>Pour manipuler ce document sous Unix (Dilib)
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