Plesiosauridae

Plesiosaurids Temporal range: 199.6–174.7  Ma PreꞒ Ꞓ O S D C P T J K Pg N Early Jurassic - Late Cretaceous?
Plesiosaurus skeleton
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Superorder:	† Sauropterygia
Order:	† Plesiosauria
Superfamily:	† Plesiosauroidea
Family:	† Plesiosauridae Gray, 1825
Genera
† Eretmosaurus † Hydrorion † Leurospondylus ? † Plesiosaurus

The Plesiosauridae are a monophyletic family of plesiosaurs named by John Edward Gray in 1825. ^{[1] [2]}

References

• paleontology portal

1. Ketchum, H. F.; Benson, R. B. J. (2010). "Global interrelationships of Plesiosauria (Reptilia, Sauropterygia) and the pivotal role of taxon sampling in determining the outcome of phylogenetic analyses". Biological Reviews. 85 (2): 361–392. doi:10.1111/j.1469-185X.2009.00107.x. PMID   20002391.
2. Edward Gray, John (1825). "A Synopsis of the Genera of Reptiles and Amphibia, with a Description of some new Species". Annals of Philosophy. 10: 193–217.