and are part of the order Perissodactyla, which also includes rhinoceroses and tapirs. There are three primary species of ...
They are in the mammal order Perissodactyla, which also includes equids (horses and their relatives) and rhinoceroses. Only four tapir species survive today. Originating in the Eocene epoch ...
As you may already recall, horses, cattle, goats, oxen and rhinoceroses are hoofed animals; they are ungulate species. Ungulates are further sub-divided into Perissodactyla and Artiodactyla ...