nematode, nematode worm, roundworm
['corkscrew, bottle screw', 'bobsled, bobsleigh, bob', 'scorpion', 'green mamba', 'diamondback, diamondback rattlesnake, Crotalus adamanteus', 'horned viper, cerastes, sand viper, horned asp, Cerastes cornutus', 'spiny lobster, langouste, rock lobster, crawfish, crayfish, sea crawfish']