The Horseshoe Crab‚ scientifically named Limulus Polyphemus‚ is an ancient creature that not many people know much about. The Horseshoe Crab is part of the Limulidae family‚ which is the marine arthropods. The Horseshoe Crab’s closest relatives are Trilobites back from the Paleozoic which is coincidently when the Horseshoe crab first began to develop. (Reference 2) In modern times the Horseshoe crab is not labelled as a crustacean despite its name. The Horseshoe Crab is closely related chelicerates
Premium Arthropod Arthropod Limulidae