What are Nematodes? http://nematode.unl.edu/wormgen.htm http://nematode.unl.edu/wormgen.htm roundworm Nematodes What are Nematodes? nematode nearly 20,000 species of nematodes nematode nematode Full article >>> nematodes nematodes University of Nebraska-Lincoln: nematología nematode Nematoda (roundworms) http://nematode.unl.edu/wormgen.htm roundworm