chiton, coat-of-mail shell, sea cradle, polyplacophore
['oystercatcher, oyster catcher', 'horned viper, cerastes, sand viper, horned asp, Cerastes cornutus', 'Indian cobra, Naja naja', 'tarantula', 'hourglass', 'promontory, headland, head, foreland', "loupe, jeweler's loupe"]