Chasmosaurus belli Diplodocus carnegii Tylosaurus ('Lizard with bump') is

Tylosaurus ('Lizard with bump') is a genus of mosasaur

180-200 million years ago and was discovered in England in 1828 and is known to be one of the first pterosaurs discovered and studied

navigating swamps and shallow rivers

was one of the largest and heaviest of its group

Ancho 77 mm

Chasmosaurus belli Diplodocus carnegii Tylosaurus ('Lizard with bump') isChasmosaurus belli is a species of ceratopsian dinosaur that lived during the Late Cretaceous period, around 76 to 74 million years ago, in what is now North America. This dinosaur belonged to the group of ceratopsids, known for their large crests and horns on their heads. Chasmosaurus belli was a quadrupedal herbivore with a distinctive skull. Its name, which means "large gape lizard," refers to the fenestrations or openings in its skull bone,