nematode, nematode worm, roundworm
['agama', 'chain', 'leatherback turtle, leatherback, leathery turtle, Dermochelys coriacea', 'worm fence, snake fence, snake-rail fence, Virginia fence', 'platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus', 'boa constrictor, Constrictor constrictor', 'necklace']