Parent taxon: Rodentia according to G. D’Elía et al. 2019
See also Carroll 1988, Dunn and Rasmussen 2007, Gadow 1898, Hay 1902, Montgelard et al. 2002, Nowak 1999 and Wood 1935
Sister taxa: Alagomyidae, Allactagidae, Anomalomyidae, Anomaluroidea, Aplodontiidae, Aplodontoidea, Archetypomyidae, Callodontomys, Cavina, Cercolabidae, Conilurus, Ctenohystrica, Cylindrodontidae, Dolosimus, Downsimys, Echinomyidae, Ectropomys, Entoptychidae, Epeiromys, Eryomyidae, Eryomyina, Gliroidea, Homocentrus, Hystricognatha, Hystricomorpha, Ischyromyidae, Ischyromyiformes, Ivanantonia, Megacricetodontidae, Muriformia, Mylagaulidae, Myodonta, Pairomys, Paramyidae, Petauristidae, Pipestoneomyidae, Protrogomorpha, Pseudomys, Quercymys, Remyidae, Sciurognathi, Sciuroidea, Siphneidae, Supramyomorpha, Taeniodus, Theridomyoidea, Yuomyidae, Zamoramys, Zelomyidae
Ecology: ground dwelling herbivore