Mammalia - Rodentia - Heteromyidae
Parent taxon: Heteromyidae according to A. E. Wood 1935
Sister taxa: Aurimys, Chaetodipus, Cupidinimus, Dikkomys, Dipodomyinae, Eodipodomys, Harrymyinae, Heteromyinae, Korthomys, Mioheteromyinae, Oregonomys, Paratrogomys, Perodipus, Prodipodomys, Stratimus
Subtaxa: none
Ecology: ground dwelling granivore-browser
Distribution:
• Quaternary of Mexico (2 collections), United States (55: Arizona, California, Colorado, Kansas, Nebraska, New Mexico, South Dakota, Texas, Utah)
• Blancan of United States (67: Arizona, California, Idaho, Kansas, Nevada, Texas, Washington)
• Hemphillian of United States (15: Arizona, California, Kansas, Oklahoma, Oregon, Washington)
• Miocene of Canada (1: Saskatchewan), United States (79: California, Florida, Montana, Nebraska, Nevada, New Mexico, Oklahoma, Oregon, South Dakota, Texas, Wyoming)
• Arikareean of United States (1: Idaho)
Total: 220 collections including 262 occurrences