Family Dinomyidae Peters 1873 (caviomorph)
PaleoDB taxon number: 42089
Parent taxon: Chinchilloidea according to D. Huchon and E. J. P. Douzery 2001
Sister taxa: Chinchillidae, Cuniculidae, Eoviscaccia, Garridomys, Heptaxodontidae, Loncolicu, Neoepiblemidae, Ucayalimys
Subtaxa: Arazamys, Branisamys, Briaromys, Carlesia, Colpostemma, Diaphoromys, Dinomys, Doellomys, Drytomomys, Eumegamyinae, Eumegamys, Eumegamysops, Gyriabrus, Olenopsis, Paranamys, Pentastylodon, Pentastylomys, Potamarchinae, Potamarchus, Protomegamys, Pseudosigmomys, Scleromys, Telicomys, Tetrastylomys
Type: Dinomys
Ecology: ground dwelling frugivore-folivore