dc.creator | Olivares, Adriana Itati | |
dc.creator | Verzi, Diego Hector | |
dc.date.accessioned | 2018-08-01T21:07:48Z | |
dc.date.accessioned | 2018-11-06T14:01:09Z | |
dc.date.available | 2018-08-01T21:07:48Z | |
dc.date.available | 2018-11-06T14:01:09Z | |
dc.date.created | 2018-08-01T21:07:48Z | |
dc.date.issued | 2015-11 | |
dc.identifier | Olivares, Adriana Itati; Verzi, Diego Hector; Systematics, phylogeny and evolutionary pattern of the hystricognath rodent Eumysops (Echimyidae) from the Plio-Pleistocene of southern South America; Taylor & Francis; Historical Biology; 27; 8; 11-2015; 1042-1061 | |
dc.identifier | 1029-2381 | |
dc.identifier | http://hdl.handle.net/11336/53846 | |
dc.identifier | CONICET Digital | |
dc.identifier | CONICET | |
dc.identifier.uri | http://repositorioslatinoamericanos.uchile.cl/handle/2250/1881826 | |
dc.description.abstract | †Eumysops is a peculiar representative of the currently tropical family Echimyidae, which evolved in increasingly dry and cold Plio–Pleistocene environments of southern South America. The results of a systematic and stratigraphic review of the genus, and of phylogenetic analyses based on both morphology and a combined morphological–molecular dataset in the context of extant representatives, are presented here. Recognised diversity includes four previously described species plus a new one from the late Pliocene. These species form a well-supported monophyletic clade, sister to the late Miocene †Pampamys and the extant Thrichomys. The position of †Eumysops–†Pampamys–Thrichomys in a major clade including non-‘eumysopine’ echimyids constrains the traditional taxon Eumysopinae only to these three genera. Phylogeny and stratigraphic distribution of †Eumysops species suggest an essentially cladogenetic evolutionary pattern. Beyond this, a gradual directional change, involving increase in size and in molar hypsodonty, is shown by †Eumysops chapalmalensis as part of a late Pliocene faunal turnover interpreted as a local representation of the 2.5-Ma cooling global event. Distinctive skeletal and dental anatomy of †Eumysops, including large orbits, shortened braincase, marked hypsodonty and postcranial specialisations, would be a result of its southern history related to a particular palaeoclimatic context. | |
dc.language | eng | |
dc.publisher | Taylor & Francis | |
dc.relation | info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1080/08912963.2014.929672 | |
dc.relation | info:eu-repo/semantics/altIdentifier/url/https://www.tandfonline.com/doi/full/10.1080/08912963.2014.929672 | |
dc.rights | https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ | |
dc.rights | info:eu-repo/semantics/restrictedAccess | |
dc.subject | 2.5-MA PALAEOCLIMATIC EVENT | |
dc.subject | CAVIOMORPH | |
dc.subject | ECHIMYIDAE | |
dc.subject | PHYLOGENY | |
dc.subject | PLIO–PLEISTOCENE | |
dc.subject | RODENTIA | |
dc.title | Systematics, phylogeny and evolutionary pattern of the hystricognath rodent Eumysops (Echimyidae) from the Plio-Pleistocene of southern South America | |
dc.type | Artículos de revistas | |
dc.type | Artículos de revistas | |
dc.type | Artículos de revistas | |