†family Eutypomyidae Miller and Gidley 1918 (rodent)

Mammalia - Rodentia - Eutypomyidae

Parent taxon: Castoroidea according to C. Montgelard et al. 2002

See also Carroll 1988, Johnson 1966 and Wood 1958

Sister taxon: Castoridae

Subtaxa: Eutypomys Janimus Microeutypomys

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Ecology: ground dwelling herbivore

Distribution:

• Arikareean of United States (3: Montana collections)

• Oligocene of Canada (2: Saskatchewan), United States (15: Florida, Nebraska, North Dakota, Oregon, South Dakota)

• Eocene of Canada (7: Saskatchewan), United States (17: Colorado, Montana, Nebraska, North Dakota, South Dakota, Texas, Utah, Wyoming)

Total: 44 collections including 47 occurrences

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