nematode, nematode worm, roundworm
['sidewinder, horned rattlesnake, Crotalus cerastes', 'crayfish, crawfish, crawdad, crawdaddy', 'chain', 'screwdriver', 'Gila monster, Heloderma suspectum', 'echidna, spiny anteater, anteater', "loupe, jeweler's loupe"]