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common
Rhomaleosaurus
Rhomaleosaurus
Era: TriassicDiet: CarnivorousPeriod: Late TriassicSize: 7m
Rhomaleosaurus (meaning "strong lizard") is an extinct genus of Early Jurassic (Toarcian age, about 183 to 175.6 million years ago) rhomaleosaurid pliosauroid known from Northamptonshire and from Yorkshire of the United Kingdom. It was first named by Harry Seeley in 1874 and the type species is Rhomaleosaurus cramptoni