You will encounter a huge selection of dinosaurs in some of the games.
There is a T-Rex and countless Raptors in Tomb Raider and Tomb Raider Anniversary; two T-Rex in Tomb Raider 2 and again in Golden Mask. There is one T-Rex and countless Raptors and Compsognathus in Tomb Raider 3 in the level Crashsite. And there are Pteranodons in Lost Artefact.
List of all Dinosaurs in TR