Holotype

Andrews, C W (1895) Note on a Skeleton of a Young Plesiosaur from the Oxford Clay of Peterborough; Geological Magazine, London, Decade IV, Vol,(Vi), pp.241-243

Refered Specimen

Neaverson, E (1935) Reptiles from the Oxford Clay of Peterborough in the geological collection of the University of Liverpool; Proceedings of the Liverpool Geological Society, XVI, pp.234-262

Refered Specimen

Neaverson, E (1935) Reptiles from the Oxford Clay of Peterborough in the geological collection of the University of Liverpool; Proceedings of the Liverpool Geological Society, XVI, pp.234-262