One of the most iconic marine reptile skeletons from the UK, meet the large pliosaur called Rhomaleosaurus cramptoni. At about 7 metres, this beastie was, at one point, the largest-known pliosaur in the world. This is a famous cast on display at the Natural History Museum, London. Rhomaleosaurus was found near Whitby on the Yorkshire Coast. It is from the Early Jurassic and is around 180 million years old. It is often said that Mary Anning found this pliosaur, but that is wrong. Although Mary fo