ichthyosaur stenopterygius, large extinct marine reptiles . generative ai

ichthyosaur ichthyosaurus cretaceous stenopterygius ocean fish jurassic paleontology triassic extinct giant dinosaur rendering prehistoric 3d water animal sea life underwater predator marine reptile carnivore aquatic vertebrate lizard evolution carnivorous monsters paleontologist creature era eurhinosaurus group huge paleoart primeval shonisaurus generative ai