Prehistoric Marine Animals List

Today the most dangerous creatures in the sea are sharks along with the some whales and fish--but that wasnt the case tens of millions of years ago when the oceans were dominated by pliosaurs ichthyosaurs mosasaurs and the occasional snake turtle and crocodile.

Prehistoric marine animals list. Genus Cartictops Ding. A small oily fish of the Atlantic and Pacific providing food for many fish marine mammals and birds. Family Pseudictopidae Sulimski 1969 Mingotheriidae Schoch 1985 Genus Anictops Qiu 1977.

The coelacanth is the best example of a living prehistoric creature we once thought extinct. A large edible sea snail of coastal waters. At 12-15 meters long maybe more it was one of the largest crocodilians ever to have existed.

Ourfirst entry is actually the oldest animal on the list Dunkleosteuswas a placodermspecifically an arthrodire placoderm fish thatlived during the Devonian period when vertebrates were. Megalodon is probably the best-known creature in the list. Or Top 10 Sea Monsters if you prefer 10- Dunkleosteus.

Geologist William Buckland described the animal as a sea serpent run through a turtle Leedsicthys. The largest Hyaenodons were among the largest predators of their time. 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.

10 Strange Animals You Didnt Know Existed. 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. Here are 10 of the scariest prehistoric sea monsters to ever call the ocean home in prehistory.

Genus Paranictops Qiu 1977. 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. Marine biologists didnt know that fishermen off the coast of Africa had been occasionally catching them for years.