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Noun: Limulus polyphemus
  1. 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
    - horseshoe crab, king crab, Xiphosurus polyphemus

Type of: arthropod

Part of: genus Limulus, Limulus

Encyclopedia: Limulus polyphemus