Mammalia - Rodentia - Eomyidae
Parent taxon: Eomyidae according to H. Winge 1887
Sister taxa: Adjidaumo, Aguafriamys, Apeomyinae, Arikareeomys, Asianeomys, Aulolithomys, Centimanomys, Cristadjidaumo, Cupressimus, Eomyodon, Eomyops, Eomys, Estramomys, Heteroeomys, Kansasimys, Keramidomys, Leptodontomys, Ligerimys, Metadjidaumo, Omboomys, Orelladjidaumo, Paradjidaumo, Paraktioeomys, Plesieomys, Protadjidaumo, Pseudotheridomys, Rhodanomys, Ritteneria, Symplokeomys, Viejadjidaumo, Yoderimyinae, Zemiodontomys
Subtaxa: Apeomyini Eomyini Namatomyini Yuneomys
Ecology: ground dwelling herbivore
Distribution:
• Miocene of China (1 collection)
• Arikareean of United States (2: Oregon)
• Oligocene of United States (2: Nebraska, Wyoming)
• Eocene to Oligocene of United States (1: Nebraska)
• Eocene of Canada (4: Saskatchewan), United States (80: California, Colorado, Montana, Nebraska, Utah, Wyoming)
Total: 90 collections including 95 occurrences