Plesiosaurs were not a real dinosaur! They are in fact marine reptiles which can be divided into two groups: The long necks, and the short necks. Much like modern-day sea turtles, they breathed air and therefore would likely have laid their eggs on beaches before returning to the oceans.
Key Facts
Distribution:
Worldwide
Length:
5 metres
Weight:
450 kilograms
Did you know?
Plesiosaurs could reach lengths of up to 5 metres and weigh up to 450 kilograms.
