金沙国际唯一指定官网

Small beginnings

作者:缪羯    发布时间:2019-03-07 01:13:01    

A FOSSIL primate the size of a mouse and weighing only 10 grams has been found in China (Journal of Human Evolution, vol 38, p 585). “These are the smallest primates ever discovered, alive or extinct,” says Dan Gebo of Northern Illinois University in DeKalb. The animal, which has yet to be named, lived about 45 million years ago. Its distinctive curved foot bones mark it as belonging to the prosimians, a group that includes lemurs. The same deposits included ankle bones of a 15-gram primate called Eosimias,

 

Copyright © 网站地图