Suborder Mesaxonia Marsh 1884 (odd-toed ungulate)
Parent taxon: Perissodactyla according to D. R. Prothero and R. M. Schoch 1989
See also Gregory 1910 and Hay 1902
Sister taxa: Anthracobunidae, Brontotheriidae, Cambaytheriidae, Cambaytherium, Chelodactyla, Desmostylia, Equina, Equoidea, Ghazijhippus, Hallensia, Hippopotamus iravaticus, Hyracotheriidae, Lophodontomorpha, Mesolambdolophus, Nakusia, Paschatherium, Perissobune, Rhinocerotida, Selenida, Skopaiolophus, Solidungula, Stereopterna, Tapiromorpha, Teilhardimys, Titanotheriomorpha
Subtaxa: none
Ecology: ground dwelling browser-grazer
Distribution: there are no occurrences of Mesaxonia in the database