†tribe Onychomyini Kelly 2022 (rodent)
Mammalia - Rodentia - Cricetidae
Parent taxon: Neotominae according to R. A. Martin et al. 2023
Sister taxa: Abelmoschomys, Antecalomys, Baiomyini, Basirepomys, Bensonomys, Copemys, Neotomini, Ochrotomyini, Paronychomys, Peromyscini, Postcopemys, Pseudomyscus, Reithrodontomyini, Tregomys
Subtaxa: Onychomys
Ecology: ground dwelling herbivore
Distribution:
• Quaternary of Mexico (3 collections), United States (29: Arizona, California, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas)
• Blancan of United States (23: Arizona, California, Kansas, Nebraska, Texas)
• Hemphillian of United States (3: Kansas, Nebraska)
Total: 58 collections including 61 occurrences