limulus | (n) type genus of the family Limulidae, Syn. genus Limulus |
horseshoe crab | (n) large marine arthropod of the Atlantic coast of North America having a domed carapace that is shaped like a horseshoe and a stiff pointed tail; a living fossil related to the wood louse, Syn. Limulus polyphemus, king crab, Xiphosurus polyphemus |
Limulus | ‖n.; |