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Related articles:
Bird
Dinosaur
Triassic
Synapsid
Crocodilia
Femur
Bipedalism
Crocodile
Pterosaur
Key terms: archosaurs birds hip dinosaurs limbs crocodilians extinction animals triassic femur archosauria hearts sockets ankles evolved survive mammals skull synapsids pterosaur suture predators dominant skins lungs excrete sprawling ancestors fenestra astragalus fairly oxygen vertebrates phylogeny lizards permian metabolism hip joints reptiles terrestrial lifestyle conserving constraint herbivores arrangement extinction event early archosaurs archosaurs first mammals and birds hip sockets faced Search external links cited by footnotes on Wikipedia page Archosaur: |
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