Cymbospondylus is a basal early ichthyosaur that lived between the Middle and Late Triassic period (240-210 million years ago). Fossils have been found in both Germany and Nevada. Cymbospondylus was one of the largest ichthyosaurs, with fossils ranging from 6 to 10 metres (20 to 33 ft) long.It probably ate small and medium-sized fish, belemnites, and ammonites.