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dc.provenanceCONICET-
dc.creatorOrtiz, Pablo Edmundo-
dc.creatorJayat, Jorge Pablo-
dc.creatorSteppan, Scott J.-
dc.date2016-12-29T15:42:49Z-
dc.date2016-12-29T15:42:49Z-
dc.date2012-11-
dc.date2016-12-28T17:54:50Z-
dc.date.accessioned2019-04-29T15:36:17Z-
dc.date.available2019-04-29T15:36:17Z-
dc.date.issued2012-11-
dc.identifierOrtiz, Pablo Edmundo; Jayat, Jorge Pablo; Steppan, Scott J.; A new fossil Phyllotine (Rodentia, Sigmodontinae) from late Pliocene in the Andes of northern Argentina; Society Of Vertebrate Paleontology; Journal of Vertebrate Paleontology; 32; 6; 11-2012; 1429-1441-
dc.identifier0272-4634-
dc.identifier1937-2809-
dc.identifierhttp://hdl.handle.net/11336/10594-
dc.identifier.urihttp://rodna.bn.gov.ar:8080/jspui/handle/bnmm/297563-
dc.descriptionPardinamys humahuaquensis, a new genus and species of Phyllotini (Rodentia, Cricetidae), is described on the basis of 111 cranial, mandibular, and dental remains belonging to at least 29 individuals. The fossils were recovered from a microvertebrate assemblage found in late Pliocene deposits (between 3 and 2.5 Ma ago) from the Uqu´ıa Formation, central Jujuy Province, northwestern Argentina. †Pardinamys is morphologically intermediate between the extant genera Eligmodontia and Calomys and can be differentiated from these taxa by the combination of several traits, including short masseteric crest, with upper and lower ramus similarly developed; coronoid process well developed; anteromedian flexus in M1 only present in very young individuals, without any trace of anteromedian style; M1 and M2 with developed second minor fold; large M2 and M3; and metaflexus, paracone, and metacone of M3 well developed. The morphologic characteristics of the new genus and the other sigmodontines found in the Uquian assemblage (at least three extinct genera) suggest an important radiation before the establishment of the modern communities in the central Andean region and indicate the need for a reevaluation of the divergence-age estimates for the group. The recovered taxa indicate the presence of open environments during depositional times, within arid or semiarid conditions, unlike previous reconstructions for this geologic unit. The finding reveals the need for improving the fossil record of sigmodontines in the central Andean region and its importance to understanding the radiation of this group in a more inclusive South American context.-
dc.descriptionFil: Ortiz, Pablo Edmundo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tucumán. Instituto Superior de Correlación Geológica; Argentina. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo; Argentina-
dc.descriptionFil: Jayat, Jorge Pablo. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo. Laboratorio de Investigaciones Ecológicas de las Yungas; Argentina. Universidad Nacional de Chilecito. Instituto de Ambientes de Montaña y Regiones Aridas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina-
dc.descriptionFil: Steppan, Scott J.. Florida State University; Estados Unidos-
dc.formatapplication/pdf-
dc.formatapplication/pdf-
dc.formatapplication/pdf-
dc.languageeng-
dc.publisherSociety Of Vertebrate Paleontology-
dc.relationinfo:eu-repo/semantics/altIdentifier/url/http://www.tandfonline.com/doi/abs/10.1080/02724634.2012.707998-
dc.relationinfo:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1080/02724634.2012.707998-
dc.rightsinfo:eu-repo/semantics/restrictedAccess-
dc.rightshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/-
dc.sourcereponame:CONICET Digital (CONICET)-
dc.sourceinstname:Consejo Nacional de Investigaciones Científicas y Técnicas-
dc.sourceinstacron:CONICET-
dc.source.urihttp://hdl.handle.net/11336/10594-
dc.subjectCricetidae-
dc.subjectHumahuaca-
dc.subjectUquía Formation-
dc.subjectNew genus-
dc.subjectNew species-
dc.subjectPaleontología-
dc.subjectCiencias de la Tierra y relacionadas con el Medio Ambiente-
dc.subjectCIENCIAS NATURALES Y EXACTAS-
dc.titleA new fossil Phyllotine (Rodentia, Sigmodontinae) from late Pliocene in the Andes of northern Argentina-
dc.typeinfo:eu-repo/semantics/article-
dc.typeinfo:eu-repo/semantics/publishedVersion-
dc.typeinfo:ar-repo/semantics/articulo-
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