chiton, coat-of-mail shell, sea cradle, polyplacophore
['puffer, pufferfish, blowfish, globefish', 'sturgeon', 'hen-of-the-woods, hen of the woods, Polyporus frondosus, Grifola frondosa', 'leaf beetle, chrysomelid', 'nail', 'alligator lizard', 'screw']