Mammalia - Rodentia - Cricetidae
Alternative spelling: Ophiomys
Full reference: C. W. Hibbard and R. J. Zakrzewski. 1967. Phyletic Trends in the Late Cenozoic Microtine Ophiomys gen. nov., from Idaho. Contributions from the Museum of Paleontology, University of Michigan 21(12):255-271
Parent taxon: Mimomys according to W. W. Korth 1994
See also Albright 1999, Chaline et al. 1999, Hibbard and Zakrzewski 1967, Kurten and Anderson 1980, Martin et al. 2002 and Mou 1997
Sister taxa: Mimomys (Cosomys), Mimomys (Cromeromys), Mimomys (Ogmodontomys), Mimomys davakosi, Mimomys meadensis, Mimomys occitanus, Mimomys panacaensis, Mimomys pliocaenicus, Mimomys sawrockensis, Mimomys taylori, Mimomys virginianus
Subtaxa: Mimomys (Ophiomys) mcknighti Ophiomys fricki Ophiomys magilli Ophiomys parvus
Ecology: ground dwelling herbivore
Distribution:
• Quaternary of United States (6: California collections)
• Blancan of United States (34: California, Idaho, Nebraska, Nevada, Oregon)
Total: 40 collections including 41 occurrences