†Ophiomys mcknighti Gustafson 1978 (mouse)
Mammalia - Rodentia - Cricetidae
Alternative combination: Mimomys mcknighti
Full reference: E. P. Gustafson. 1978. Bulletin of the Museum of Natural History, University of Oregon 23
Belongs to Ophiomys according to R. A. Martin et al. 2002
Sister taxa: Mimomys dakotaensis, Mimomys davakosi, Mimomys occitanus, Mimomys panacaensis, Mimomys pliocaenicus, Mimomys virginianus, Cosomys primus, Ophiomys parvus, Ophiomys taylori, Ophiomys fricki, Ophiomys magilli, Cseria parkeri
Ecology: ground dwelling herbivore
Average measurements (in mm): m1 2.70 x 1.30
Estimated body mass: 110.7 g based on m1 length