Andrews, Charles William (1922). "Description of a new plesiosaur from the Weald Clay of Berwick (Sussex)". Quarterly Journal of the Geological Society of London. 78 (1–4): 285–298. Bibcode:1922QJGS...78..285A. doi:10.1144/GSL.JGS.1922.078.01-04.11.
Andrews, Charles William (1922). "Description of a new plesiosaur from the Weald Clay of Berwick (Sussex)". Quarterly Journal of the Geological Society of London. 78 (1–4): 285–298. Bibcode:1922QJGS...78..285A. doi:10.1144/GSL.JGS.1922.078.01-04.11.