One leading to the existing perissodactyl foot, and the other, apparently later, resulting in the artiodactyl type.
2
The fifth digit, for the same reasons as in the perissodactyl foot, first left the ground and became smaller.
3
These animals, which are grouped with the horse among the ODD-TOED (perissodactyl) mammals, are now verging toward extinction.
4
The tapirs are an ancient family which has changed but little since it separated from the other perissodactyl stocks in the early Tertiary.
5
In the further reduction of the perissodactyl foot, the fifth digit, being shorter than the remaining three, next left the ground, and gradually disappeared.
1
The tapir makes a footprint much like that of a small rhinoceros, being one of the odd-toedungulates.
2
More than 200 species of mammal are distinguished by possession of hooves, known as ungulates, and are divided into two orders, even-toed and odd-toedungulates.
Ús de perissodactyl mammal en anglès
1
These animals, which are grouped with the horse among the ODD-TOED (perissodactyl ) mammals, are now verging toward extinction.