Prehistoric Marine Animals List

Top Ten Marine Predators.

Prehistoric marine animals list. Genus Wania Wang 1995. What was the biggest prehistoric water animal. But at 60 or so tons the middle Eocene Basilosaurus was certainly the biggest prehistoric whale that ever lived outweighing even the much later Leviathan which itself may have tangled with the biggest prehistoric shark of all time Megalodon by 10 or 20 tons.

Here are ten of the largest most fearsome sea monsters ever to prowl the oceans. Purussaurus was the top predator in that sea and with good reason. These have been some fun facts about marine prehistoric animals.

It was the largest predatory marine creature in the history of the planet outweighing both modern Great White Sharks and ancient reptiles like Liopleurodon and Kronosaurus. This six-foot fish was known from the fossil record but thought to die out 65 million years ago around the same time as the dinosaurs. Its hard to keep the idea of a shark the size of a school bus out of pop culture.

Here are 10 of the scariest prehistoric sea monsters to ever call the ocean home in prehistory. Some of the earliest land animals happened to be spiders and insects. A bright-colored fish of coral reefs.

Hyaenodon is a genus of large carnivorous mammals that lived from the Eocene to the mid Miocene epochs. Its hard to keep the idea of a shark the size of a school bus out of pop culture. It lived back in Cambrian times first appearing over 500 million years ago and when fossils of it were first found the various disassociated parts of it were described as jellyfish the mouth shrimp tails large grasping appendages and a sponge the body.

This was because it used to lay its jelly covered eggs in water. From what paleontologists can decipher of this reptiles remains the Tanystropheus appears to have been a prehistoric reptile version of a giraffe with shorter legs a long neck that juts out rather than up and a massive tail. It appeared in the oceans of the world about 360 million years ago during the Upper Devonian period and died out almost at the same time as the dinosaurs pterosaurs and marine reptiles at the end of the Cretaceous period.