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Related to Limulus polyphemus: Horseshoe crabs
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|Noun||1.||Limulus polyphemus - 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|
arthropod - invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
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