'Chalicotheres' (from
Greek ''chalix'', gravel + ''therion'', beast) were a group of
perissodactyl mammals that evolved in the mid
Eocene around 40 million years ago from small, forest animals similar to the
early horses. By the late
Oligocene, chalicotheres had divided into two groups: one that grazed in open areas and another that was more adapted to woodlands. They died out around 3.5 million years ago, and are related to the extinct
brontotheres, as well as modern day
horses,
rhinoceroses, and
tapirs.
Description
Unlike modern perissodactyls, chalicotheres had long forelimbs and short hind limbs. Consequently, Chalicotheres probably moved with most of their weight on their short, strong hind legs. Their front legs had long, curved claws which meant they probably walked on their knuckles.
Fossil remains have shown thick, developed front knuckles, much like those on
gorillas today. It was once thought that the claws were used to dig up roots and tubers, however, the wear on the claws and teeth do not suggest that they dug nor ate dirt-rich foods such as tubers. The chalicotheres probably used their claws to strip vegetation from trees and to forage for food.
Chalicotheres did not have front
teeth, and their back teeth show little wear, suggesting that they probably were selective browsers.
Cryptozoology
Some
cryptozoologists say that the
cryptid from
Africa called
Nandi Bear is actually a chalicothere.
[1]
See also
★ ''
Moropus''
★ ''
Ancylotherium''
References
External links
★
BBC's Nature Fact Files