chiton, coat-of-mail shell, sea cradle, polyplacophore
['ruffed grouse, partridge, Bonasa umbellus', 'black grouse', 'diamondback, diamondback rattlesnake, Crotalus adamanteus', 'starfish, sea star', 'bustard', 'guinea pig, Cavia cobaya', 'American lobster, Northern lobster, Maine lobster, Homarus americanus']