Perissodactyla Owen 1848

Families: 3 families with 6 genera and 17 species:

Family Equidae Gray 1821 (1 genus with 8 species and 24 subspecies)

Family Tapiridae Gray 1821 (1 genus with 4 species and 6 subspecies)

Family Rhinocerotidae Gray 1821 (4 genera with 5 species and 14 subspecies)