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Sauria
From EvoWiki
Sauria Gauthier 1984, amended 1988
Sauria is the crown clade of Diapsida and includes the common ancestor of birds, crocodiles, squamates, and Sphenodon, and all their descendents.
Sauria phylogeny is a complicated matter, with the two unambigous members (Archosauromorpha and Lepidosauromorpha) often joined by Ichthyosauria, Sauropterygia and occasionally Anapsida.
