Temporal range: Late Palaeocene - Recent
Odd-toed ungulates have an uneven number of toes: Horses have only one toe, rhinoceros have three toes, and tapirs have four toes on the front feet and three toes on the hind feet.
|Wikispecies has information on: Perissodactyla.|
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The white rhinoceros is the largest living perissodactyl
Restriction of their habitat and poaching threaten the survival of most rhino species, including the Indian rhinoceros shown here.
Hyracotherium, an early relative of the horse, is one of the oldest known perissodactyls
The quagga had become extinct by the end of the 19th century.
Odd-toed ungulate Facts for Kids. Kiddle Encyclopedia.