Reference
Cruickshank, A. R. I.; Martill, D. M. and Noe, L. F. 1996. A pliosaur (Reptilia, Sauropterygia) exhibiting pachyostosis from the Middle Jurassic of England. Journal of the Geological Society, London,153, 873-879.
Cruickshank, A. R. I.; Martill, D. M. and Noe, L. F. 1996. A pliosaur (Reptilia, Sauropterygia) exhibiting pachyostosis from the Middle Jurassic of England. Journal of the Geological Society, London,153, 873-879.