†Caenopus tridactylus avus Troxell 1921 (rhinoceros)
Mammalia - Perissodactyla - Rhinocerotidae
Full reference: E. L. Troxell. 1921. Cænopus, the ancestral rhinoceros. American Journal of Science 2(7):41-51
Belongs to Caenopus tridactylus according to E. L. Troxell 1921
Sister taxon: Caenopus tridactylus metalophus
Type specimen: YPM 10251, a skull
Ecology: ground dwelling browser
Distribution: there are no occurrences of Caenopus tridactylus avus in the database