chambered nautilus, pearly nautilus, nautilus
['electric ray, crampfish, numbfish, torpedo', 'cardoon', 'mud turtle', 'axolotl, mud puppy, Ambystoma mexicanum', 'sax, saxophone', 'leatherback turtle, leatherback, leathery turtle, Dermochelys coriacea', 'hen-of-the-woods, hen of the woods, Polyporus frondosus, Grifola frondosa']