Metriorhynchus is an extinct genus of marine crocodyliform that lived in the oceans during the Middle to Late Jurassic. It is not known for certain if Metriorhynchus spent all of its time in the water or if it returned to the land. On land Metriorhynchus would have certainly been more cumbersome, as evidenced by its marine specialisations, but it may have had to for special tasks such as laying eggs, just like turtles have to. Metriorhynchus was a versatile and opportunistic predator, predated upon both the armoured belemnites, fast moving fish and the giant filter feeding fish Leedsichthys.
Metriorhynchus can be recived from the DNA Rescue and can then be created in the Aquatic Park in the game Jurassic Park: Builder.
Metriorhynchus can be created in Jurassic World: The Game as a super rare amphibian even though it is a sea crocodile. In reality, Metriorhynchus had fins and stayed in the water unlike in the game which can be on land and had fresh water crocodyliform-like legs. The real Metriorhynchus also removed the classic osteoderms for better mobility in the water, while the game's Metriorhynchus has the osteoderms.