hupehsuchus marine reptiles near undersea reef

hepehsuchus ichthyosaur nanchangensis animal marine aquatic reptile lizard ocean sea life carnivorous predator hunting extinct triassic jurassic cretaceous age era epoch extinction vertebrate organism mesozoic flippers evolution prehistoric primitive primeval creature genus species wild wildlife pacific herring fish school reef coral rendering hupehsuchus reptiles undersea small found china lived period two chase