American Heritage® Dictionary of the English Language, Fourth Edition
- n. Any of various marine arthropods of the class Merostomata, especially Limulus polyphemus or Xiphosura polyphemus of eastern North America, having a large rounded body and a stiff pointed tail. Also called king crab, limulus.
- 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
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Is it a crab? Does it have crab in its name? Does it contain the letters c-r-a-b (in that order)? Then list it!
Creatures that lived in prehistoric times and still live today (which would be most of them). Loosely interpreted to include animals like the armadillo, which is a surviving genus of a larger group...
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