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Sauria

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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.

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