echidna, spiny anteater, anteater
['hognose snake, puff adder, sand viper', 'chiton, coat-of-mail shell, sea cradle, polyplacophore', 'spaghetti squash', 'iron, smoothing iron', 'hen-of-the-woods, hen of the woods, Polyporus frondosus, Grifola frondosa', 'meerkat, mierkat', 'eft']