horned viper, cerastes, sand viper, horned asp, Cerastes cornutus
['panpipe, pandean pipe, syrinx', 'axolotl, mud puppy, Ambystoma mexicanum', 'sea cucumber, holothurian', 'rule, ruler', 'harvestman, daddy longlegs, Phalangium opilio', 'maze, labyrinth', 'electric ray, crampfish, numbfish, torpedo']