Holotype

Powel, H. Phillip and Edmonds, J. M. (1978) List of type-fossils in the Philpot Collection, Oxford University Museum; Proceedings of the Dorset Natural History and Archaeology Society - Natural History Reports (Geology), 98, pp.48-53

Holotype

Sato, Tamaki and Wu, Xiao-Chun (2006) Review of plesiosaurians (Reptilia: Sauropterygia) from the Upper Cretaceous Horseshoe Canyon Formation in Alberta, Canada; Paludicila, 5(4), pp.150-169

Holotype

Brown, Barnum (1913) A new plesiosaur, Leurospondylus, From the Edmonton Cretaceous of Alberta; Bulletin of the American Museum of Natural History, 32(), pp.605-615

Holotype

Welles, Samuel P. (1952) A review of the North American Cretaceous Elasmosaurs; University of California Press, 29(3), pp.47-144

Refered Specimen

Russell, Loris Shano (1931) Fresh-water Plesiosaurs; Canadian Field Naturalist., 45, pp.135-137

Holotype

Bogolobuv, N. N. (1911) Sur quelques restes de deux Reptiles (<I>Cryptoclidus simbirskensis </I> n. sp. et <I>Ichthyosaurus steleodon </I>n. sp.), trouves par Mr. Le Profes. A. P. Pavlow sur les bord

Refered Specimen

Sato, Tamaki and Wu, Xiao-Chun (2006) Review of plesiosaurians (Reptilia: Sauropterygia) from the Upper Cretaceous Horseshoe Canyon Formation in Alberta, Canada; Paludicila, 5(4), pp.150-169