Invalid subtaxa: Myomorpha Brandt 1855 [invalid subgroup], Protrogomorpha Zittel 1893 [invalid subgroup], Sciurognathi Tullberg 1899 [invalid subgroup], Sciuromorpha Brandt 1855 [invalid subgroup]
Parent taxon: Glires according to J. R. Wible et al. 2007
Sister taxa: Aspalacidae, Duplicidentata, Eurymylidae, Ierboidae, Lagostomyidae, Mimotonidae, Mixodontia, Ochtodontidae, Rodentiaformes, Simplicidentata, Sinomylus
Subtaxa: Alagomyidae, Allomyidae, Anomalomyidae, Anomaluroidea, Anomaluromorpha, Apletotomeus, Aplodontoidea, Archetypomyidae, Bandaomys, Castorimorpha, Castoroidea, Cavina, Cricetopidae, Ctenodactyloidea, Ctenodactylomorpha, Ctenohystrica, Cylindrodontidae, Downsimys, Ectropomys, Epeiromys, Eryomyina, Floresomys, Geomyoidea, Gliridae, Glirimorpha, Gliroidea, Griphomys, Heliscomys, Ischyromyidae, Ischyromyoidea, Jimomys, Laredomyidae, Luribayomys, Marfilomys, Megacricetodontidae, Meliakrouniomys, Muriformia, Myodonta, Paciculus, Pairomys, Paramyidae, Pedetoidea, Petauristidae, Pipestoneomys, Prolapsus, Protoptychidae, Pseudoparamys, Quercymys, Sciuravidae, Sciuroidea, Siphneidae, Spalacoidea, Texomys, Theridomyoidea, Yuomyidae, Zamoramys
Ecology: ground dwelling herbivore