horned viper, cerastes, sand viper, horned asp, Cerastes cornutus
['syringe', 'panpipe, pandean pipe, syrinx', 'coil, spiral, volute, whorl, helix', 'mousetrap', 'chiton, coat-of-mail shell, sea cradle, polyplacophore', 'coucal', 'sea cucumber, holothurian']