Reference
Owen, R. 1840. A description of a specimen of the Plesiosaurus Macrocephalus, Conybeare, in the collection of Viscount Cole, M.P., D.C.L., F.G.S., &c. Transactions of the Geological Society, London, 5, 515-535.
Owen, R. 1840. A description of a specimen of the Plesiosaurus Macrocephalus, Conybeare, in the collection of Viscount Cole, M.P., D.C.L., F.G.S., &c. Transactions of the Geological Society, London, 5, 515-535.