Odd-toed Ungulates (Perissodactyla) is a biological order of the phylum Chordata (Chordates) and class Mammalia (Mammals).
Equidae
Rhinocerotidae
Tapiridae
Tubulidentata
Didelphimorphia
Artiodactyla
Chiroptera
Carnivora
Cetacea
Sirenia
Macroscelidea
Proboscidea
Dermoptera
Hyracoidea
Notoryctemorphia
Diprotodontia
Perissodactyla
Pholidota
Primates
Lagomorpha
Rodentia
Pilosa
Scandentia