1 décembre 2007
Triceratops Horn - Triceratops horridus - Late Cretaceous - Hell Creek Formation, Wyoming
Triceratops Horn - Triceratops horridus - Late Cretaceous - Hell Creek Formation, Wyoming Recent research shows that Triceratops may not have lived in large herds, but in small family groups of four to six individuals. Also, the image of Triceratops living...