#family_Cancridae__Cancridae  many of the best known edible crabs
  supertype:  arthropod_family__arthropodfamily  any of the arthropods
  member of:  suborder_Brachyura
  member:  genus_Cancer__Cancer  type genus of the family Cancridae
     member:  Cancer_magister__Dungeness_crab  small edible crab of Pacific coast of North America
     member:  rock_crab__Cancer_irroratus  crab of eastern coast of North America
     member:  Jonah_crab__Cancer_borealis  large red deep-water crab of the eastern coast of North America

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