Prehistoric Marine Animals List

Here are 10 of the scariest prehistoric sea monsters to ever call the ocean home in prehistory.

Prehistoric marine animals list. List of fossil primates. Plus science-minded entertainment sources like the Discovery Channel love creatures that. They gave birth to live young which means they may have been warm-blooded.

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. Family Pseudictopidae Sulimski 1969 Mingotheriidae Schoch 1985 Genus Anictops Qiu 1977. - predators include the Shastasaurus a reptile 21 meters 68 feet long.

Top 10 Prehistoric Sea Creatures Tylosaurus. The largest of these animals stretched up to 20 feet 6 meters long with the Tanystropheus 12-vertebrae neck comprising more than half of that sources. What was the biggest prehistoric water animal.

Top Ten Marine Predators. The largest Hyaenodons were among the largest predators of their time. Hyaenodon is a genus of large carnivorous mammals that lived from the Eocene to the mid Miocene epochs.

Top 10 Terrifying Prehistoric Sea Monsters. The Coelacanth is a huge prehistoric fish that can measure nearly 6 feet long and weigh around 200 pounds and which lived around the same time as the dinosaurs. This was because it used to lay its jelly covered eggs in water.

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. At 12-15 meters long maybe more it was one of the largest crocodilians ever to have existed. A prized species of tuna.