Perissodactyla Definition

Perissodactyla Sentence Examples

• The Perissodactyla have been brigaded with the Artiodactyla to form the typical group of the ungulates, under the name of Diplarthra, or Ungulata Vera, and the features distinguishing the combined group from the less specialized members of the order Ungulata will be found under the heading of that order.

• The following are the leading characteristics by means of which the sub-order Perissodactyla is distinguished from the Artiodactyla.

• Rhinoceros Group. - The last section of the Perissodactyla is that of the Rhinocerotoidea, represented by the modern rhinoceroses and their extinct allies.

• As contrasted with the Perissodactyla living, and in a great degree extinct, Artiodactyla are characterized by the following structural features.

• Artiodactyla date from the Eocene period, when they appear to have been less numerous than the Perissodactyla, although at the present day they are immeasurably ahead of that group, and form indeed the dominant ungulates.