article: Archosaur
links: Sphenodon Ernst Haeckel Early Triassic Albisaurus Permian Sauropsida Clade Pterosaur Teeth Mesozoic era Holocene Permian–Triassic extinction event Edward Drinker Cope Crocodilia Pseudosuchia Squamata Avemetatarsalia Aetosaur Dinosaur Crocodile Phytosaur Crocodylomorpha Crurotarsi Triassic