Age of Reptiles is a comic published by Dark Horse Comics, created by Ricardo Delgado, a film and comic book artist that has worked on such films as The Incredibles, Men in Black and Apollo 13.
There are two of these comics, which are set in the Mesizoic Era, their names being TRIBAL WARFARE and THE HUNT. Both are very violent and focus on the daily lives of carnivorous dinosaurs.
Tribal Warfare
A pack of Deinonychus get revenge on Blue Back, a Tyrannosaurus who stole their well earned meal, by stealing all of his families eggs but one.
This is the first Age of Reptiles comic.
The Hunt
After a mother Allosaurus, Chula, is killed by a pack of Ceratosaurus led by Big Nose, her son Santo must avenge her. He befriends a family of diplodocus and defends them from Big Nose's pack.