Mammalia - Rodentia - Geomyidae
Parent taxon: Geomyoidea according to C. Montgelard et al. 2002
See also Carroll 1988, Flower 1883, Flower and Lydekker 1891, Gadow 1898, Hay 1902, Jaekel 1911, Johnson 1966, Kurten and Anderson 1980, Nowak 1991, Nowak 1999, Wilson and Reeder 2005 and Wood 1958
Sister taxa: Eomyidae, Farangimys, Griphomys, Heliscomyidae, Heteromyidae, Hydentomys
Subtaxa: Cratogeomys Geomyinae Geomys Microdipodops Mojavemys Nerterogeomys Orthogeomys Pappogeomys Phelosaccomys Pleurolicus Pliogeomys Pliosaccomys Progeomys Reynoldsomys Tenudomys Thomomys Zygogeomys
Type: Geomys
Ecology: fossorial browser
Distribution:
• Quaternary of Canada (5: Alberta, Saskatchewan collections), Mexico (5), United States (306: Arizona, Arkansas, California, Colorado, Florida, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Maryland, Missouri, Montana, Nebraska, Nevada, New Mexico, Oklahoma, Oregon, Pennsylvania, South Dakota, Tennessee, Texas, Utah, Virginia, West Virginia)
• Blancan of Mexico (2), United States (127: Arizona, California, Colorado, Florida, Idaho, Kansas, Nebraska, Nevada, New Mexico, Oregon, Texas, Washington)
• Pliocene of United States (1: Idaho)
• Hemphillian of Mexico (1), United States (32: California, Idaho, Indiana, Nebraska, Nevada, Oklahoma, Oregon, Texas, Washington)
• Miocene of Canada (1: Saskatchewan), United States (68: California, Colorado, Kansas, Montana, Nebraska, Nevada, New Mexico, Oregon, South Dakota, Wyoming)
• Harrisonian of United States (3: Nebraska, South Dakota, Texas)
• Arikareean of United States (10: California, Montana, Nebraska, Oregon, South Dakota, Wyoming)
• Oligocene of Canada (1: Saskatchewan), United States (12: Nebraska, Oregon, South Dakota)
• Eocene to Oligocene of Mexico (1), United States (1: Nebraska)
Total: 576 collections including 667 occurrences