Superfamily ALLOIONEMATOIDEA Chitwood & McIntosh, 1934
              Family Alloionematidae Chitwood & McIntosh, 1934
                       Subfamily Alloionematinae Chitwood & McIntosh, 1934
                      Genera: Alloionema Schneider, 1859
                                 Rhabditophanes Fuchs, 1930

Superfamily BUNONEMATOIDEAMicoletzky, 1922
             Family Pterygorhabditidae Goodey, 1963
                      Subfamily Pterygorhabditinae Goodey, 1963
                      Genus: Pterygorhabditis Timm, 1957
             Family Bunonematidae Micoletzky, 1922
                      Subfamily Bunonematinae Micoletzky, 1922
                      Genera: Serronema (Peasler, 1957) Goodey, 1963
                                  Rhodolaimus Fuchs, 1930
                                 Bununema Jagerskiold, 1905
                                 Rhodonema Andrassy, 1983
                      Subfamily Craspedonematinae Andrassy, 1971
                      Genera: Aspidonema (Sachs, 1949) Andrassy, 1958
                                  Sachsium Andrassy, 1971
                                 Craspedonema Richters, 1908

Superfamily RHABDITOIDEA Orley, 1880
            Family Rhabditonematidae Andrassy, 1976
                     Subfamily Rhaditonematinae Andrassy, 1976
                     Genera: Rhabditonema Korner, 1954
                                 Saprorhabditis Khera, 1969
            Family Rhabditidae Orley, 1880
                     Subfamily Protorhabditinae Dougherty, 1955
                     Genera: Protorhabditis (Osche, 1952) Dougherty, 1953
                                 Prodontorbabditis Timm, 1961
                                 Parasitorhabditis (Fuchs, 1937) Chitwood & Chitwood, 1950
                                Paradoxorhabditis Khera, 1971
                     Subfamily Mesorhabditinae Andrassy, 1976
                     Genera: Rhabpanus Massey, 1971
                                  Mesorhabditis (Osche, 1952) Dougherty, 1953
                                 Crustorhabditis (Sudhaus, 1974) Andrassy, 1976
                                 Operculorhabditis Khera, 1969
                                 Marispelodera Belogurov, 1977
                                Bursiella Andrassy, 1976
                               Teratorhabditis (Osche, 1952) Dougherty, 1953
                              Cruznema Artigas, 1927
                    Subfamily Peloderinae Andrassy, 1976
                    Genera: Dolichorhabditis Andrassy, 1983
                                Pharmarhabditis Andrassy, 1976
                               Caenorhabditis (Osche, 1952) Dougherty, 1953
                               Xylorhabditis (Suhaus, 1976) Blinova, 1982
                               Pellioditis (Dougherty, 1953) Timm, 1960
                               Pelodera Schneider, 1866
                              Coarctadera (Dougherty, 1953) Andrassy, 1976
                              Rhomborhabditis Andrassy, 1983
                          (Combined from Pelodera srammeri Volk, 1950)
                  Subfamily Rhabditinae Orley, 1880
                 Genera: Rhabditis Dujardin, 1845
                               Discoditis Andrassi, 1976
                              Oscheius Andrassy, 1976
                              Colporhabditis Andrassy, 1976
                              Rhabditella (Cobb, 1029) Chitwood, 1933
                              Curviditis (Dougherty, 1953) Andrassy, 1983
                              Rhitis Andrassy, 1982
                              Cuticularia Van Der Linde, 1938
                              Poikilolaimus Fushs, 1930
                  Subfamily Ablechroiulinae Andrassy, 1976
                  Genera: Ablechroiulus Andrassy, 1966
                               Rhabditoides Goodey, 1929
                  Subfamily Aphidirhabditinae Andrassy, 1978
                  Genus: Amphidirhabditis Andrassy, 1978
                  Subfamily Stomachorhabditinae Andrassy, 1970
                  Genus: Stomachorhabditis Andrassy, 1970
           Family Odontorhabditidae Paramonov, 1964
                   Subfamily Odontorhabditinae
                   Genera: Diploscapteroides Rahm, 1928
                                Cephaloboides (Rahm, 1928) Massey, 1974
           Family Diploscapteridae Micoletzky, 1922
                    Subfamily Diploscapterinae Micoletzky, 1922
                    Genus: Diploscapter Cobb, 1913

Updated 14 February 2003
Constructed and maintained by  Khuong B. Nguyen  Entomology & Nematology Department
University of Florida.