†subfamily Uintasoricinae Szalay 1969 (primate)
Mammalia - Primates - Microsyopidae
Parent taxon: Microsyopidae according to G. F. Gunnell 1989
See also Dawson and Constenius 2018 and Russell 1981
Sister taxa: Microsyopinae, Nanomomys, Navajoviinae, Navajovius
Subtaxa: Choctawius Niptomomys Uintasorex
Ecology: arboreal omnivore
Distribution:
• Eocene of Canada (2: Saskatchewan collections), United States (94: California, Colorado, Mississippi, Montana, Nevada, New Mexico, North Dakota, Utah, Wyoming)
• Clarkforkian of United States (4: Wyoming)
• Paleocene to Eocene of United States (1: Wyoming)
Total: 101 collections including 104 occurrences