chasmosaurus

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الإنجليزية - الإنجليزية
(Hayvan Bilim, Zooloji) Chasmosaurus is a ceratopsid dinosaur genus from the Upper Cretaceous Period of North America. Its name means 'opening lizard', referring to the large openings (fenestrae) in its frill (Greek chasma meaning 'opening' or 'hollow' or 'gulf' and sauros meaning 'lizard'). With a length of 5 - 6 metres and a weight of 3.6 tonnes, Chasmosaurus was a ceratopsian of average size. Like all ceratopsians, it was purely herbivorous. It was initially to be called Protorosaurus, however this name had been previously published for another animal