Dinosaur Timeline Gallery





CRETACEOUS PERIOD - CRETACEOUS DINOSAURS
144-65
Million Years Ago

The Cretaceous period of the Mesozoic era may have seen more dinosaurs then ever before. The horned Cretaceous dinosaurs appeared, like the Triceratops and Centrosaurus. The armored Ankylosaurus, duckbilled Parasaurolophus, and large carnivore Tyrannosaurus were a few of the quickly evolving dinosaurs. Birds became increasingly numerous & flowering plants were emerging. By the end of the Cretaceous period, all large and small ruling reptiles, except the crocodile went extinct.

Albertosaurus & Corythosaurus Tyrannosaurus rex Tyrannosaurus rex
Albertosaurus
& Corythosaurus
Tyrannosaurus
rex
Tyrannosaurus
rex
Anatosaurus Corythosaurus Parasaurolophus
Anatosaurus
Meteor impact causing dinosaur extinction
Corythosaurus Parasaurolophus

Carnotaurus

Gallimimus

Triceratops
Carnotaurus Gallimimus Triceratops
Monoclonius Triceratopses & Tyrannosaurus rex Tarbosaurus
Monoclonius Triceratops
& Tyrannosaurus
Tarbosaurus
Kronosaurus Pteranodon

Kronosaurus

Pteranodon