Acantholaimus aheneus Bussau, 1993 (basis of record)
Acantholaimus angustus Bussau, 1993 (basis of record)
Acantholaimus caecus Bussau, 1993 (basis of record)
Acantholaimus coruscus Bussau, 1993 (basis of record)
Acantholaimus occultus Bussau, 1993 (basis of record)
Acantholaimus tectus Bussau, 1993 (basis of record)
Acrobeles contractus Thorne, 1937 (basis of record)
Acrobeloides emarginatus (de Man, 1880) Thorne, 1937 (basis of record)
Actinonema fragile (Allgén, 1929) Wieser, 1954 accepted as Actinonema pachydermatum Cobb, 1920 (basis of record)
Actinonema paraceltica Muthumbi & Vincx, 1998 (basis of record)
Actinonema smolae Muthumbi & Vincx, 1998 (basis of record)
Adoncholaimus crassicaudus Wieser, 1953 (basis of record)
Amphidorylaimus infecundus (Cobb in Thorne & Swanger, 1936) Andrássy, 1960 (basis of record)
Amphimonhystera circula Guo & Warwick, 2001 (basis of record)
Amphimonhystera galea Fadeeva, 1984 (basis of record)
Antarcticonema inaequalis Decraemer, 1983 (basis of record)
Aphelenchoides citri Andrássy, 1957 (basis of record)
Aphelenchoides elongatus Schuurmans Stekhoven, 1951 (basis of record)
Aphelenchoides nonveilleri Andrássy, 1959 (basis of record)
Aphelenchus hainanensis Rahm, 1938 (basis of record)
Aphelenchus kongoensis Allgén, 1933 (basis of record)
Aphelenchus mollis Cobb, 1920 (basis of record)
Araeolaimus ingoyensis Allgén, 1940 (basis of record)
Axonchium amplicolle Cobb, 1920 (basis of record)
Axonchium micans Thorne, 1939 accepted as Metaxonchium micans (Thorne, 1939) Andrássy, 1996 (basis of record)
Bathyepsilonema anulosum Verschelde & Vincx, 1992 (basis of record)
Blattophila sphaerolaima Cobb, 1920 (basis of record)
Brachonchulus brachyuroides (Micoletzky, 1925) Andrássy, 1958 (basis of record)
Brachonchulus sumatrensis Andrássy, 1958 (basis of record)
Butlerius filicaudatus Adam, 1930 (basis of record)
Butlerius okai Rahm, 1938 (basis of record)
Caribplectus magdalenae (Riemann, 1970) Andrássy, 1973 (basis of record)
Catanema exile Cobb, 1920 (basis of record)
Cephalobium microbivorum Cobb, 1920 (basis of record)
Cephalobus similigaster Andrássy, 1952 (basis of record)
Ceramonema rhombus Andrássy, 1973 (basis of record)
Cervidellus vexilliger (de Man, 1880) Thorne, 1937 (basis of record)
Chambersiella rodens Cobb, 1920 (basis of record)
Cheilobus schneideri (Bütschli, 1873) accepted as Rhabditophanes schneideri (Bütschli, 1873) Goodey, 1953 (basis of record)
Chiloplacus lentus (Maupas, 1900) Thorne, 1937 (basis of record)
Chiloplacus propinquus (de Man, 1921) Thorne, 1937 (basis of record)
Chiloplacus trifurcatus (Thorne, 1925) Thorne, 1937 (basis of record)
Choniolaimus chiliensis Murphy, 1965 (basis of record)
Chromadorella parapoecilosoma ocellata Micoletzky, 1922 (basis of record)
Chromadorina salina Belogurov, 1978 (basis of record)
Chronogaster gracilis Cobb, 1913 (basis of record)
Cobbonchus palustris (Cobb, 1917) Andrássy, 1958 (basis of record)
Criconema paradoxiger (Orton Williams, 1982) Raski & Luc, 1985 (basis of record)
Criconemoides mongolense Andrássy, 1964 (basis of record)
Criconemoides solivagum Andrássy, 1962 (basis of record)
Cylindrolaimus filicaudatus Allgén, 1933 (basis of record)
Cylindrotheristus maeoticus (Filipjev, 1922) Wieser, 1956 accepted as Daptonema maeoticum (Filipjev, 1922) Lorenzen, 1977 (basis of record)
Daptonema leptogastrelloides Riemann, 1979 (basis of record)
Desmodora alberti Verschelde, Gourbault & Vincx, 1998 (basis of record)
Desmodora marci Verschelde, Gourbault & Vincx, 1998 (basis of record)
Desmodora micans Micoletzky, 1922 (basis of record)
Desmodora norvegica Allgén, 1940 (basis of record)
Desmodorella hirsuta (Chitwood, 1936) Verschelde et al., 1998 (basis of record)
Desmodorella papillostoma (Murphy, 1962) Verschelde et al., 1998 (basis of record)
Desmodorella perforata (Wieser, 1954) Verschelde et al., 1998 (basis of record)
Desmodorella sanguinea (Southern, 1914) Verschelde et al., 1998 (basis of record)
Desmodorella schulzi (Gerlach, 1950) Verschelde et al., 1998 (basis of record)
Desmodorella sinuata (Lorenzen, 1976) Verschelde et al., 1998 (basis of record)
Desmoscolex (Protricomoides) Timm, 1970 (basis of record)
Desmoscolex macrophasmatus Decraemer, 1984 (basis of record)
Desmoscolex parvospiculatus Decraemer, 1996 (basis of record)
Desmoscolex pravus Decraemer, 1985 (basis of record)
Diphtherophora obesus Thorne, 1939 (basis of record)
Diplogaster levidentus Weingärtner, 1955 (basis of record)
Diplogaster pararmatus W. Schneider, 1938 (basis of record)
Diploscapter coronata (Cobb, 1893) accepted as Diploscapter coronatus (Cobb, 1893) Cobb, 1913 (basis of record)
Discolaimus similis Thorne, 1939 (basis of record)
Dorylaimus hofmänneri Menzel, 1914 (basis of record)
Dorylaimus laetificans Andrássy, 1956 accepted as Paraxonchium laetificans (Andrássy, 1956) Altherr & Loof, 1969 (basis of record)
Dorylaimus maritimus Ditlevsen, 1913 accepted as Eudorylaimus maritimus (Ditlevsen, 1913) Andrássy, 1959 (basis of record)
Doryllium uniforme Cobb, 1920 (basis of record)
Dracograllus trispinosum Allen & Noffsinger, 1978 (basis of record)
Endeolophos spinosus galapagensis Blome, 1985 (basis of record)
Endeolophos spinosus spinosus (Gerlach, 1957) (basis of record)
Eudorylaimus antarcticus (Steiner, 1916) Yeates, 1970 (basis of record)
Eudorylaimus hastatus Andrássy, 1963 accepted as Malekus hastatus (Andrássy, 1963) Andrássy, 1995 (basis of record)
Eudorylaimus solus Andrássy, 1962 (basis of record)
Eumonhystera Andrássy, 1981 (basis of record)
Eumonhystera alpina (Filipjev, 1918) Andrássy, 1981 (basis of record)
Eumonhystera altherri Andrássy, 1981 (basis of record)
Eumonhystera gracilior (Johnston, 1938) Andrássy, 1981 (basis of record)
Eumonhystera islandica (De Coninck, 1943) Andrássy, 1981 accepted as Halomonhystera islandica (De Coninck, 1943) Tchesunov, Portnova & van Campenhout, 2015 (basis of record)
Eumonhystera multisetosa (Meyl, 1955) Andrássy, 1981 accepted as Thalassomonhystera multisetosa (Meyl, 1955) Jacobs, 1987 (basis of record)
Eumonhystera mwerazii (Meyl, 1957) Andrássy, 1981 (basis of record)
Eumonhystera papuana (Daday, 1899) Andrássy, 1981 (basis of record)
Eumonhystera parasimilis (Allgén, 1926) Andrássy, 1981 (basis of record)
Eumonhystera parasimplex (De Coninck, 1943) Andrássy, 1981 accepted as Thalassomonhystera parasimplex (De Coninck, 1943) Jacobs, 1987 (basis of record)
Eumonhystera pratensis (Cobb, 1893) Andrássy, 1981 (basis of record)
Eumonhystera pseudobulbosa (Daday, 1896) Andrassy, 1981 (basis of record)
Eumonhystera rustica (Bütschli, 1873) Andrássy, 1981 (basis of record)
Eumonhystera subfiliformis (Cobb, 1918) Andrássy, 1981 (basis of record)
Eumonhystera tatrica (Daday, 1896) Andrássy, 1981 (basis of record)
Eurystomina perlasi Allgen, 1947 (basis of record)
Granonchulus decurrens (Cobb, 1917) Andrássy, 1958 (basis of record)
Granonchulus schulzi (Meyl, 1955) Andrássy, 1958 (basis of record)