Parent taxon: Sciuromorpha according to R. H. Dunn and D. T. Rasmussen 2007
Sister taxa: Allomyidae, Anomalomyidae, Anomaluroidea, Aplodontoidea, Archetypomyidae, Bandaomys, Castoroidea, Cavina, Cricetopidae, Ctenohystrica, Downsimys, Ectropomys, Eryomyina, Geomyoidea, Gliridae, Luribayomys, Megacricetodontidae, Muriformia, Myodonta, Pairomys, Petauristidae, Quercymys, Sciuroidea, Siphneidae, Yuomyidae, Zamoramys, Spalacoidea, Paciculus, Gliroidea, Ctenodactyloidea, Pedetoidea, Theridomyoidea, Castorimorpha, Anomaluromorpha, Ctenodactylomorpha, Glirimorpha, Alagomyidae, Laredomyidae, Pseudoparamys, Apletotomeus, Epeiromys, Floresomys, Griphomys, Heliscomys, Jimomys, Marfilomys, Meliakrouniomys, Pipestoneomys, Prolapsus, Texomys, Paramyidae, Ischyromyoidea, Sciuravidae, Cylindrodontidae, Protoptychidae
Subtaxa: Acritoparamys, Ailuravinae, Apatosciuravus, Churcheria, Decticadapis, Hulgana, Ischyromys, Leptotomus, Microparamyinae, Notoparamys, Paramyinae, Paramys, Rapamys, Tapomys, Thisbemys
Ecology: ground dwelling herbivore