Chasmatosaurus
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| Chasmatosaurus Fossil range: Early Triassic |
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 life restoration of Chasmatosaurus
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Chasmatosaurus is an extinct genus of archosauriform reptile that grew about 4 m (12 ft 8 in) long.
Also called Proterosuchus, Chasmatosaurus was a crocodile-like creature that probably hunted like its extant descendants, attacking drinking prey on the waterside. Its upper jaw arched down at the front, and the creature had teeth on its palate- a primitive trait. Chasmatosaurus had a cameo in Walking With Monsters attacking a herd of Lystrosaurus. It is a possibility that Chasmatosaurus is an ancestor of crocodilians.
