Mammalia - Rodentia - Chinchillidae
Parent taxon: Caviomorpha according to L. L. Rasia and A. M. Candela 2019
See also Carroll 1988, Flower 1883, Flower and Lydekker 1891, Gadow 1898, Huchon and Douzery 2001, Jaekel 1911, Nowak 1991, Nowak 1999, Rasia and Candela 2017, Upham and Patterson 2015, Vucetich 1989, Wood 1958 and Wood and Patterson 1959
Sister taxa: Aenigmys, Balsayacuy, Cachiyacuy, Canaanimys, Cavioidea, Cephalomyidae, Chachapoyamys, Chambiramys, Chinchilloidea, Erethizontoidea, Luribayomys, Luribayomys masticator, Octodontoidea, Palmiramys, Palmiramys waltheri, Pozomys, Tacheria, Tarapotomys, Vucetichimys, Zetamyidae
Subtaxa: Chinchilla Eoviscaccia Incamys Lagidium Lagostominae Miochinchilla Pliolagostomus Prolagostomus Scotamys Sphodromys
Ecology: ground dwelling herbivore
Distribution:
• Quaternary of Argentina (25 collections), Bolivia (2), Brazil (1), Peru (6), Uruguay (2)
• Pliocene of Argentina (27)
• Huayquerian of Argentina (25), Bolivia (1)
• Miocene of Argentina (43), Bolivia (8), Chile (7)
• Deseadan of Argentina (5), Bolivia (4)
• Oligocene of Argentina (1), Chile (1)
Total: 158 collections including 210 occurrences