†order Perissodactipedida Vyalov 1966
Mammalipedia - Perissodactipedida
Full reference: O. S. Vyalov. 1966. Sledy Zhiznedeyatel'nosti Organizmov i ikh Paleontologicheskoye Znacheniye [Traces of Vital Activity of Organisms and their Paleontological Significance] 1-219
Parent taxon: Mammalipedia according to O. S. Vyalov 1966
Sister taxa: Artiodactipedida, Carnivoripedida
Subtaxa: Hippipedidae
Distribution: found only at Copper Canyon track site ( of California)