Mammalia - Rodentia - Aplodontidae
Alternative spelling: Allomyidae
Parent taxon: Aplodontidae according to J. M. Rensberger 1983
See also Hay 1902, Marsh 1877, McKenna and Bell 1997 and Rensberger 1975
Sister taxa: Altasciurus, Ameniscomys, Ansomyinae, Aplodontia, Brachygaulus, Dakotallomys, Leptoromys, Liodontia, Lophallomys, Meniscomyinae, Niglarodon, Ninamys, Oligopetes, Paracitellus, Plesispermophilus, Prosciurinae, Prosciurus, Pseudaplodon, Sciurodon, Sewelleladon, Tardontia, Trigonomys
Subtaxa: Allomys Alwoodia Parallomys
Ecology: fossorial herbivore
Distribution:
• Miocene of Canada (1: Saskatchewan collection), United States (2: Nebraska, South Dakota)
• Harrisonian of United States (6: Nebraska)
• Arikareean of United States (6: Montana, Nebraska, Oregon, Wyoming)
• Oligocene of Canada (1: Saskatchewan), United States (16: Nebraska, Oregon, South Dakota)
Total: 32 collections including 36 occurrences