D. M. S. Watson. 1909. IV. A preliminary note on two new genera of upper Liassic plesiosaurs. Memoirs and Proceedings of the Manchester Literary and Philosophical Society 54(4):1-28
Bibliographie (2)
M. J. Benton and M. A. Taylor. 1984. Marine reptiles from the Upper Lias (Lower Toarcian, Lower Jurassic) of the Yorkshire coast. Proceedings of the Yorkshire Geological Society 44(4):399-429
DOI ↗
D. M. S. Watson. 1909. IV. A preliminary note on two new genera of upper Liassic plesiosaurs. Memoirs and Proceedings of the Manchester Literary and Philosophical Society 54(4):1-28