179121479125786First_Children__s_Encyclopedia

(Kaasyap Sai) #1

Did T. rex and Triceratops ever meet?


Age of the dinosaurs


A hip question

Dinosaurs can be split into two groups,


according to their hip bones: the saurischians


(the lizard-hipped dinosaurs) and


the ornithischians (or bird-


hipped dinosaurs).


186


Bird-hipped dinosaurs
had a pair of hip bones
pointing back.
Free download pdf