chambered nautilus, pearly nautilus, nautilus
['rock crab, Cancer irroratus', 'hen-of-the-woods, hen of the woods, Polyporus frondosus, Grifola frondosa', 'amphibian, amphibious vehicle', 'terrapin', 'crayfish, crawfish, crawdad, crawdaddy', 'barometer', 'albatross, mollymawk']