User:Abyssal/Portal:Sauropterygians/DYK/1

... that over the course of the history of plesiosaur research multiple Leptocleidus skeletons have been found preserved as gemstone quality opal (Addyman specimen pictured)?
... that the plesiosaur Bathyspondylus was first described in 1982 from a specimen collected in 1774?
... that Leurospondylus ultimus was so named as it was originally thought to be the last occurrence of a plesiosaur?
... that Augustasaurus' name comes from the mountain range of northwestern Nevada, where its fossilized bones were first discovered?
... that a fossil plesiosaur skull named Kimmerosaurus may be the missing head of a Colymbosaurus?