porcupine, hedgehog
['harp', 'rule, ruler', 'chain mail, ring mail, mail, chain armor, chain armour, ring armor, ring armour', 'flatworm, platyhelminth', 'loggerhead, loggerhead turtle, Caretta caretta', 'Dungeness crab, Cancer magister', 'Gila monster, Heloderma suspectum']