horned viper, cerastes, sand viper, horned asp, Cerastes cornutus
['nematode, nematode worm, roundworm', 'rhinoceros beetle', 'platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus', 'ptarmigan', 'chiton, coat-of-mail shell, sea cradle, polyplacophore', 'wombat', 'reel']