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Seeleyosaurus White 1940 (plesiosaur)

Reptilia - Sauropterygia - Microcleididae

PaleoDB taxon number: 36512

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: Microcleididae according to R. B. J. Benson and P. S. Druckenmiller 2014

Sister taxon: Microcleidus

Subtaxa: Seeleyosaurus guilelmiimperatoris

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Ecology: aquatic carnivore