†subfamily Nonomyinae Martin 1980 (rodent)

Mammalia - Rodentia

Full reference: L. D. Martin. 1980. The early evolution of the Cricetidae in North America. University of Kansas Paleontological Contributions Vertebrata 102:1-42

Parent taxon: Myodonta according to S. L. Walsh 2010

Sister taxa: Dipodoidea, Erlianomys, Muroidea

Subtaxa: Diplolophus Nonomys

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Type: Nonomys

Ecology: ground dwelling herbivore

Distribution:

• Oligocene of United States (6: Colorado, Nebraska, Wyoming collections)

• Eocene to Oligocene of United States (1: Nebraska)

• Eocene of United States (4: California, Texas, Wyoming)

Total: 11 collections including 12 occurrences

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