AS FOSSILS ARE BURIED AND PETRIFIED REMAINS OF ANIMALS, PLANTS, BACTERIA AND FUNGUS - MARINE FOSSILS ARE ANIMALS THAT LIVED AND DIED IN THE OCEAN OR SHALLOW WATER.
THEIR BODIES ARE PRESERVED AT THE BOTTOM OF THE - THEN EXISTING - PART OF THE OCEAN.
MOST COMMON MARINE FOSSILS ARE FISH, SEA STARS BUR ALSO REMAINS OF SHARKS, ESPECIALLY THE MEGALODON. THE BIGGEST SHARK EVER LIVED ON EARTH.