horned viper, cerastes, sand viper, horned asp, Cerastes cornutus
['great white shark, white shark, man-eater, man-eating shark, Carcharodon carcharias', 'snail', 'chambered nautilus, pearly nautilus, nautilus', 'coil, spiral, volute, whorl, helix', 'mousetrap', 'muzzle', 'black-footed ferret, ferret, Mustela nigripes']