Petrolacosaurus kansensis (meaning “rock lake lizard from Kansas”) was one of the first Diapsid reptiles. It lived in late Carboniferous Kansas, USA. The Diapsids are the dinosaurs, reptiles of today (not including turtles), and the birds.
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In Popular Culture[]
- Petrolacosaurus appeared in Walking with Monsters.
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Petrolacosaurus/Gallery