Tribe Phenacomyini Zagorodnyuk 1990 (vole)
Mammalia - Rodentia - Cricetidae
Parent taxon: Arvicolinae according to T. Galewski et al. 2006
Sister taxa: Allophaiomys, Arvicolini, Dicrostonychini, Dinaromys, Lasiopodomys, Lemmini, Mimomys, Myodini, Ondatrinae, Ondatrini, Orcemys, Praesynaptomys, Prolagurus, Prometheomyini, Synaptomyini
Subtaxa: Phenacomys
Ecology: ground dwelling herbivore
Distribution:
• Quaternary of Canada (4: Alberta, Saskatchewan, Yukon collections), United States (46: Alaska, Colorado, Kansas, Maryland, Missouri, Nebraska, Nevada, New Mexico, Ohio, Tennessee, Utah, Virginia, Washington, West Virginia, Wyoming)
• Blancan of United States (9: Idaho, Nebraska)
Total: 59 collections including 61 occurrences