American Society of Parasitologists Australasian Society of Nematologists Helminthological Society of Washington Organization of Nematologists of Tropical America Russian Society of Nematologists Society for Invertebrate Pathology Society of Nematologists SON - Biological Control of Nematodes
C. elegans Server at University of Texas Southwestern Medical Center Clemson University Nematode Identification Course for Professional Consultants Entomopathogenic Nematodes, Oregon State University Entomopathogenic Nematology, Rutgers University Insect Parasitic Nematodes, Ohio State University Natural Resource Ecology Laboratory, Colorado State University Plant and Insect Parasitic Nematodes Home Page, University of Nebraska Plant-Parasitic Nematodes in Oregon Agriculture, Oregon State University Postgraduate International Nematology Course, Universiteit Gent University of Adelaide Nematology Group University of California-Davis Department of Nematology University of California-Riverside Department of Nematology University of Florida Nematology University of Florida History of Nematology University of Maryland Plant Nematology Lab Wageningen Agricultural University Department of Nematology
BIOSIS Platyhelminthes and Nematoda Internet Resource Guide Biosystematics and the U.S. National Parasite Collection, Beltsville Dr. Clive Bennett's Ectoparasites and Endoparasites Site Florida Agricultural Information Retrieval System Nematode Management Guide Florida Division of Plant Industry Nematology Section Istituto di Nematologia Agraria Applicata ai Vegetali, Bari NEMABASE Nematode-Host Association Data Base Nematologia Meditterranea Rothamsted Experimental Station Entomology and Nematology Scottish Crop Research Institute Nematology Department Worm Systematic Resource Network Wormwood--A Resource for Nematode Phylogeny