Forrest,
R. 1998. A possible early elasmosaurian plesiosaur from the Triassic/Jurassic
boundary of Nottinghamshire. Mercian Geologist, 14, (3),
135-143.
—–
2003. Ichthyosaurs and plesiosaurs from the Lower Spilsby Sansdstone
member (Upper Jurassic), north Lincolnshire. Proceedings of the Yorkshire
Geological Society, 54, 269-275.
FRAAS, E. 1910. Plesiosaurier aus dem
oberen Lias von Holzmaden. Palaeontographica, 57, 105-140.
FREY, E. and REISS, J. 1982. Considerations
concerning plesiosaur locomotion. Konstructions Morphologie?, 193-194.