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ADD A DINOSAUR

permian

Helicoprion is a genus of shark-like, spiral-toothed prehistoric fish that arose in the early Permian, about 290 million years ago, survived the Permian-Triassic extinction event, and eventually became extinct during the early Triassic, some 250 million years ago.


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dinosaur pictures - Thecodont!

Thecodont was not actualy a dinosaur, but he was a important reptile. This reptiles used to live during the time of dinosaurs. Thecodont are related to todays crocodiles.

Best dinosaur pictures - Thecodont!