↑ Ketchum, H. F., and 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, v. 85, p. 361-392 doi:10.1111/j.1469-185X.2009.00107.xPMID 20002391
↑ John Edward Gray, 1825, They were Pliosaurs Pliosauroidea and Plesiosaurs Plesiosauria "A Synopsis of the Genera of Reptiles and Amphibia, with a Description of some new Species", Annals of Philosophy (British Museum) 10: 193–217
