S. P. Welles. 1962. A new species of elasmosaur from the Aptian of Colombia and a review of the Cretaceous plesiosaurs. University of California Publications in Geological Sciences 44(1):1-96
Bibliographie (1)
J. B. Delair. 1960. The Mesozoic reptiles of Dorset. Part two. Proceedings of the Dorset Natural History and Archaeological Society 80:52-90