Sauropterygia Temporal range: Early Triassic – Late Cretaceous | |
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Thalassomedon hanningtoni | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Reptilia |
clade: | Pantestudines |
Superorder: | †Sauropterygia Owen, 1860 |
Subgroups | |
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Sauropterygia is a superorder of diapsid reptiles that existed from the early Triassic to the Late Cretaceous. This is the order of nothosaurs, placodonts, and plesiosaurs.