Family Aplodontidae Brandt 1855 (mountain beaver)

Mammalia - Rodentia - Aplodontidae

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

See also Carroll 1988, Hopkins 2004, Johnson 1966, Kurten and Anderson 1980, Nowak 1991, Nowak 1999, Vianey-Liaud et al. 2014 and Wood 1958

Sister taxa: Reithroparamyidae, Sciuridae

Subtaxa: Altasciurus Ameniscomys Ansomyinae Aplodontia Brachygaulus Dakotallomys Leptoromys Liodontia Lophallomys Meniscomyinae Niglarodon Ninamys Oligopetes Paracitellus Plesispermophilus Prosciurinae Prosciurus Pseudaplodon Sciurodon Sewelleladon Tardontia Trigonomys

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Ecology: fossorial herbivore

Distribution:

• Quaternary of United States (4: California collections)

• Hemphillian of United States (6: Nevada, Oregon)

• Miocene of China (4), France (1), Germany (2), Mongolia (3), United States (20: Montana, Nebraska, Nevada, Oregon, Utah)

• Arikareean of United States (19: California, Idaho, Montana, Nebraska, Nevada, Oregon, South Dakota, Wyoming)

• Oligocene of Canada (3: Saskatchewan), China (12), the Czech Republic (1), France (13), Germany (13), Kazakhstan (3), Mongolia (24), Pakistan (1), Spain (1), Switzerland (1), Turkey (1), United States (67: Colorado, Montana, Nebraska, North Dakota, South Dakota, Wyoming)

• Eocene of Canada (7: Saskatchewan), China (1), United States (16: California, Montana, Nebraska, North Dakota, Wyoming)

Total: 223 collections including 275 occurrences

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