Man Moves Aquarium After Fish Goes Missing, Finds Huge Creature Inside

Just How Old Are These Creatures?

The Bobbitt worm is by no means a new creature to this planet. There were two cases in which Bobbitt worm fossils had been found. One such occurrence was in Taiwan, where the fossil found was dated to about twenty million years old, and the other was discovered in Ontario, Canada, where the fossil is believed to be four hundred million years old.

But such fossils are fragile and tend to dissolve, so how did these survive?