Late Miocene potamarchine rodents from southwestern Amazonia, Brazil - with description of new taxa

• Autorzy: Kerber L. , Negri F.R. , Ribeiro A.M. , Vucetich M.G. , De Souza-Filho J.P.
• Języki publikacji: EN

Abstrakty

EN

The fossil rodents from the southwestern Amazonia of Brazil have been studied since the first half of the 20th century. Several caviomorph rodents were reported for the Neogene of this region, mainly neoepiblemids and dinomyids. Until recently, the record of dinomyids in the Solimões Formation (Late Miocene) was predominantly based on a few isolated teeth, which made it difficult to make more accurate taxonomic identifications due to the scarcity of diagnostic characters. Here, new remains, more complete than those previously reported, of potamarchine dinomyids from the Neogene of Brazil are described. A new species of Potamarchus and a new genus and species of a Potamarchinae are erected. In addition, new material of Potamarchus murinus and Potamarchus sp. is identified. These data suggest a higher diversity of dinomyids in in the western Amazonia than previously supposed.

Słowa kluczowe

EN

Late Miocene; Miocene; potamarchine rodent; Mammalia; Rodentia; Caviomorpha; Neogene; Solimoes Formation; rodent; Amazonia; Brazil

• Wydawca: -
• Czasopismo: Acta Palaeontologica Polonica
• Rocznik: 2016
• Tom: 61
• Numer: 1
• Opis fizyczny: p.191-203,fig.,ref.

Twórcy

autor

Kerber L.

• Secao de Paleontologia, Museu de Ciencias Naturais, Fundacao Zoobotanica do Rio Grande do Sul, Av. Salvador Franca 1427, 90690-000, Porto Alegre, RS, Brazil

autor

Negri F.R.

• Laboratorio de Paleontologia, Universidade Federal do Acre, Campus Floresta, Estrada do Canela Fina, Km 12, 69980-000, Cruzeiro do Sul, AC, Brazil

autor

Ribeiro A.M.

• Secao de Paleontologia, Museu de Ciencias Naturais, Fundacao Zoobotanica do Rio Grande do Sul, Av. Salvador Franca 1427, 90690-000, Porto Alegre, RS, Brazil

autor

Vucetich M.G.

• Division Paleontología Vertebrados, Museo de La Plata, Paseo del Bosque s/n, B1900FWA, La Plata, Argentina

autor

De Souza-Filho J.P.

• Laboratorio de Paleontologia, Universidade Federal do Acre, Campus Universitario BR 364, Km 04–Distrito industrial, 69920-900, Rio Branco, AC, Brazil

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Identyfikatory

DOI

10.4202/app.00091.2014