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Hainosaurus; Fossil range: Late Cretaceous
	Hainosaurus
Scientific classification
Kingdom:	Animalia;
Phylum:	Chordata;
Class:	Sauropsida;
Order:	Squamata;
Suborder:	Scleroglossa;
Family:	Mosasauridae;
Subfamily:	Tylosaurinae;
Genus:	Hainosaurus;
Species
	H. bernardi type species; H. gaudryi; H. pembinensis;

Hainosaurus ("Hain river lizard") is an extinct genus of marine lizard belonging to the mosasaur family. It was one of the largest mosasaurs, reaching lengths of up to 15 meters (49 ft) which made it one of the top predators of the Late Cretaceous. These animals may have preyed on turtles, mosasaurs, plesiosaurs, pterosaurs, cephalopods, sharks and fish.

H. pembinensis.

Hainosaurus was a member of the Tylosaurinae, and it was related to the wholly North American Tylosaurus. However, it had more vertebrae (53) while Tylosaurus had 35.^{[citation needed]} Both genera are roughly the same size. Hainosaurus' tail has less chevron-bearing vertebrae, making it shorter than that of Tylosaurus. The species of Hainosaurus are:

H. bernardi (type), after Leopold Bernard,a Belgian naturalist (Maastrichtian)
H. pembinensis, after the Pembina Member of the Pierre Shale, from Canada (Campanian)
H. gaudryi, for Jean Albert Gaudry, a French paleontologist.

[edit] External links

BBC Sea monster facts

Paleontology portal

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