What is the most fascinating prehistoric creature?
I’ll go with one that is in fact still on this earth…and have not evolved greatly in over 250 million years: The Horseshoe Crab (Limulus Polpyhemus) Fascinating Facts: Not a true crab, Related to Scorpions, Ticks and Spiders Despite their scary look, they are not dangerous Tail used as a rudder, and to help tip it back over if tipped upside down (for this reason, if you do pick up a Horseshoe Crab never pick it up by its tail because if it breaks off the animal will be helpless to right itself.