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.
