Additions to the knowledge on fossil rodents of Uruguay (Mammalia: Rodentia) |
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| Authors: | Alvaro Mones Luis R Castiglioni |
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| Institution: | 1. Departamento de Paleontología, Museo Nacional de Historia Natural, 399, Montevideo, C.C., Uruguay
2. Departamento de Paleontología, Facultad de Humanidades y Ciencias, Montevideo, Uruguay
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| Abstract: | Additions to the knowledge on fossil rodents of Uruguay (Mammalia: Rodentia). — This paper brings new information on fossil rodents of Uruguay. Four new species are described:Microcavia (M.) aua n. sp. (Caviidae),Ctenomys mesorhinus n. sp. (Octodontidae),Isostylomys intermedius n. sp. andIsostylomys magnus n. sp. (Dinomyidae), the latter from Argentina. Apart from this,Palmiramys waltheri Kraglievich, 1932, illustrated here for the first time, is considered a Lower Oligocene (Deseadan) ?Dasyproctidae. The first records for Uruguay ofEucardiodon cf.marshi (Ameghino) (Hydrochoeridae), and +Holochilus brasiliensis (Desmarest) are reported. |
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