The horse belongs to order Perissodactyla of class Mammalia. Perissodactyla includes odd-toed mammals.
Ex- Guus asinus (donkey), Rhinoceros indicus (the great one-horned rhinoceros).
Equidae is the taxonomic family of horses and related animals. Caballus is the species name of horses. Equus ferus caballus is one of two extant subspecies of Equus ferus. Equidae is the taxonomic family of horses and related animals.