Family Geomyidae Bonaparte 1845 (pocket gopher)

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 and Wood 1958

Sister taxa: Eomyidae, Florentiamyidae, Griphomys, Heliscomyidae, Heteromyidae, Hydentomys

Subtaxa: Cratogeomys Entoptychinae Geomyinae Geomys Microdipodops Mojavemys Nerterogeomys Orthogeomys Pappogeomys Phelosaccomys Pleurolicus Pliogeomys Pliosaccomys Progeomys Protoptychus Reynoldsomys Tenudomys Thomomys Zygogeomys

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Type: Geomys

Ecology: fossorial browser

Distribution:

• Quaternary of Canada (5: Alberta, Saskatchewan collections), Mexico (5), United States (297: Arizona, Arkansas, California, Colorado, Florida, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Maryland, Missouri, Montana, Nebraska, New Mexico, Oklahoma, Oregon, Pennsylvania, South Dakota, Tennessee, Texas, Utah, Virginia, West Virginia)

• Blancan of Mexico (2), United States (126: Arizona, California, Colorado, Florida, Idaho, Kansas, Nebraska, Nevada, New Mexico, Texas, Washington)

• Pliocene of United States (1: Idaho)

• Hemphillian of Mexico (1), United States (20: California, Indiana, Nebraska, Nevada, Oklahoma, Oregon, Texas)

• Miocene of Canada (1: Saskatchewan), United States (71: California, Colorado, Kansas, Montana, Nebraska, Nevada, New Mexico, Oregon, South Dakota, Wyoming)

• Harrisonian of United States (28: Montana, Nebraska, New Mexico, South Dakota, Texas, Wyoming)

• Arikareean of United States (25: California, Florida, Idaho, Montana, Nebraska, Oregon, South Dakota, Wyoming)

• Oligocene of Canada (1: Saskatchewan), United States (20: Florida, Nebraska, South Dakota)

• Eocene of Mexico (1), United States (2: Utah, Wyoming)

Total: 606 collections including 700 occurrences

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