Reptilia - Sauropterygia

Alternative spelling: Notosauria

Parent taxon: Sauropterygia according to R. L. Carroll 1988

Sister taxa: Cercidopleura, Dicranopleura, Doliovertebra, Eosauropterygia, Lariosauridae, Nothosauriformes, Pistosauria, Placodontiformes, Sphenosaurus

Subtaxa: Parthanosaurus, Phygosaurus, Pontopus, Psephosaurus

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Ecology: