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