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†family Leptocleididae White 1940 (plesiosaur)

Reptilia - Sauropterygia

PaleoDB taxon number: 174765

Alternative spelling: Leptoclididae

Full reference: T. E. White. 1940. Holotype of Plesiosaurus longirostris Blake and classification of the plesiosaurs. Journal of Paleontology 14(5):451-467

Parent taxon: Leptocleidia according to R. B. J. Benson and P. S. Druckenmiller 2014

Sister taxon: Polycotylidae

Subtaxa: Brancasaurus, Hastanectes, Leptocleidus, Nichollssaura, Umoonasaurus, Vectocleidus

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Ecology: aquatic carnivore