Mammalia - Rodentia - Octodontidae
Parent taxon: Octodontoidea according to N. S. Upham and B. D. Patterson 2015
See also Ameghino 1902, Arnal and Vucetich 2015, Carroll 1988, Flower 1883, Flower and Lydekker 1891, Gadow 1898, Huchon and Douzery 2001, Jaekel 1911, Nowak 1991, Nowak 1999, Patterson and Wood 1982, Wilson and Reeder 2005, Wood 1958 and Wood and Patterson 1959
Sister taxa: Abrocomidae, Acarechimys, Acaremyidae, Adelphomys, Capromyidae, Caviocricetus, Changquin, Chasichimys, Ctenomyidae, Deseadomys, Draconomys, Dudumus, Echimyidae, Eodelphomys, Eoespina, Eosachacui, Eosallamys, Ethelomys, Kannabateomys, Lapazomys, Leucokephalos, Llitun, Loretomys, Marisela, Mayomys, Migraveramus, Myocastoridae, Neophanomys, Paulacoutomys, Plesiacarechimys, Proechimys, Prospaniomys, Protacaremys, Protadelphomys, Sallamys, Selvamys, Spaniomys, Stichomys, Vallehermosomys, Xylechimys
Subtaxa: Eoctodon Eucoelophorus Massoiamys Metacaremys Octodontinae Octodontomys Octomys Palaeoctodon Phthoramys Phtoramys Pithanotomys Plataeomys Pseudoplataeomys
Ecology: ground dwelling herbivore
Distribution:
• Quaternary of Argentina (6 collections), Bolivia (1), Chile (3)
• Uquian of Argentina (1)
• Pliocene of Argentina (26)
• Huayquerian of Argentina (21), Bolivia (1)
• Miocene to Pliocene of Argentina (1)
• Miocene of Argentina (23), Bolivia (1), Chile (1)
Total: 85 collections including 118 occurrences