Refered Specimen

Phillips, J. (1854) On a new Plesiosaurus in the York Museum; Annual report of the British Society for the Advancement of Science, , pp.54

Holotype

Owen, Richard (1840) A Description of a Specimen of the Plesiosaurus Macrocephalus, Conybeare, in the Collection of Viscount Cole; Transactions of the Geological Society of London, Second series, V, pp.515-535

Refered Specimen

Sollas, W. J. (1881) On a NEW SPECIES of Plesiosaurus (Pconybeari) from the LOWER LIAS of CHARMOUTH; with observations on P. megacephalusSTUTCHBURY, and P. brachycephalus, OWEN. Accompanied by a Supplement on the Geographical Distribution of the GENUS Ple

Refered Specimen

 

Refered Specimen

Lydekker, Richard (1889) Catalogue of Fossil Reptilia and Amphibia in the British Museum (Natural History) Part II;