Parent taxon: Caviomorpha according to P. Coster et al. 2010
See also Bertrand et al. 2012, Carroll 1988, Huchon and Douzery 2001, Lavocat 1976, Madozzo-Jaén and Pérez 2017, Mones and Ojasti 1986, Nowak 1999, Patterson and Wood 1982, Paula Couto 1956, Pérez et al. 2012, Pérez and Vucetich 2011, Vucetich et al. 2015, Vucetich et al. 2010, Wood 1958 and Wood and Patterson 1959
Sister taxa: Aenigmys, Balsayacuy, Cachiyacuy, Canaanimys, Cephalomyidae, Chachapoyamys, Chambiramys, Chinchillidae, Chinchilloidea, Erethizontoidea, Luribayomys, Luribayomys masticator, Octodontoidea, Palmiramys, Palmiramys waltheri, Pozomys, Tacheria, Tarapotomys, Vucetichimys, Zetamyidae
Subtaxa: Agoutidae Andemys Asteromys Banderomys Branisamys Caviidae Chubutomys Cuniculidae Dasyproctidae Eobranisamys Eocardia Eocardiidae Guiomys Hydrochoeridae Luantus Microcardiodon Neoreomys Soriamys
Ecology: ground dwelling herbivore