Archosaur

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Archosaurs
Temporal range:
Early TriassicPresent, 250–0 Ma
Yellow-billed stork kazinga.jpg
Birds an crocodilians (in this case a yellow-billed stork an a Nile crocodile) are the anerly livin archosaur groups.
Scientific classification e
Kinrick: Animalia
Phylum: Chordata
Clade: Crurotarsi
Clade: Archosauria
Cope, 1869
Subgroups
Synonyms

Arctopoda Haeckel, 1895
Avesuchia Benton, 1999

Archosaurs are a group o diapsid amniotes whase livin representatives consist o birds an crocodilians. This group includes aw extinct dinosaurs an aa, extinct crocodilian relatives, an pterosaurs. Archosauria, the archosaur clade, is a croun group that includes the maist recent common auncestor o livin birds an crocodilians. It includes twa main clades: Pseudosuchia, whilk includes crocodilians an thair extinct relatives, an Avemetatarsalia, whilk includes birds an thair extinct relatives (lik non-avian dinosaurs an pterosaurs).