COELUROSAURIA

See-LOO-SAW-ree-a

Hollow reptiles

Saurischia

Late Tirassic to late Cretaceous

Worldwide

The Inforaorder Coelurosauria includes a variety of small and medium-sized meat-eating dinosaurs. Most of them ran upright on their hind legs. There are two main groups which can be told apart mainly by the shape of the head and the hands. Coelophysids (late Tiassic) had large wedge-shaped heads and three or four claes on their hands. The coelurids (late Jurassic) had small low heads and always three claws on their hands. The coelurids (late Jurassic) had small low heads and always three claws on their hands.

Family Coelophysifae

Family Coeluridae