Nothosaurus was a genus of nothosaur, which was a family, of marine reptiles. It lived during the Triassic Period, of geological time. In the Universe of The Land Before Time, these creatures are referred to as Swimming Sharpteeth.

The Land Before TimeEdit

The Nothosaurus is notable for having the distinction of being the very first Swimming Sharptooth, that the kids encounter. A Nothosaurus appeared in The Land Before Time II: The Great Valley Adventure, when the gang was in the Mysterious Beyond.They heard some high pitched screeches and look upon the swamp to discover a Nothosaurus perching on a skeleton,then entering into the murky swamp waters.Petrie was very scared of the Nothosaurus; After he saw it, he remarked, "Why, this place, spooky!". The Nothosaurus has not been seen, since, although severel other Swimming Sharpteeth have appeared, in the TLBT series.It was incorrectly depicted as being able to swim in freshwater,though. It had may been a early swimming long neck however they both cake after and before the dinosaurs. It also look like a wingless dragon.