• Acantholaimus elegans Jensen, 1988
• Acantholaimus ewensis Platt & Zhang, 1982 accepted as Acantholaimus polydentatus Gerlach, 1951
• Acantholaimus iubilus Gerlach, Schrage & Riemann, 1979
• Acantholaimus longisetosus Allgén, 1933
• Acantholaimus megamphis Vivier, 1985
• Acantholaimus minima (Vitiello, 1970) Gerlach, Schrage & Riemann, 1979 accepted as Acantholaimus minutus (Vitiello, 1972) Gerlach, Schrage & Riemann, 1979
• Acantholaimus minutus (Vitiello, 1972) Gerlach, Schrage & Riemann, 1979
• Acantholaimus polydentatus Gerlach, 1951
• Acantholaimus setosus Vitiello, 1970
• Acantholaimus spinicauda (Vitiello, 1970) Gerlach, Schrage & Riemann, 1979
• Acanthonchus (Acanthonchus) arcuatus (Kreis, 1928) Wieser, 1955
• Acanthonchus (Acanthonchus) viviparus Cobb, 1920
• Acanthonchus (Seuratiella) gracilis (Ditlevsen, 1918) Wieser, 1955
• Acanthonchus (Seuratiella) pugionatus Vitiello, 1970
• Acanthonchus viviparus Cobb, 1920 accepted as Acanthonchus (Acanthonchus) viviparus Cobb, 1920
• Achromadora buikensis (Steiner, 1921) Mikoletzky, 1925 accepted as Achromadora micoletzkyi (Stefanski, 1915) Van der Linde, 1938
• Achromadora dubia sensu Micoletzky, 1925 accepted as Achromadora inermis Altherr, 1952
• Achromadora inermis Altherr, 1952
• Achromadora micoletzkyi (Stefanski, 1915) Micoletzky, 1925
• Achromadora micoletzkyi (Stefanski, 1915) Van der Linde, 1938
• Achromadora ruricola (De Man, 1880) Micoletzky, 1924
• Achromadora terricola (de Man, 1880) Micoletzky, 1924
• Actinonema celtica Boucher, 1976
• Actinonema fidatum Vitiello, 1970
• Actinonema longicaudatum (Steiner, 1918) Wieser, 1954
• Actinonema pachydermatum Cobb, 1920
• Adeuchromadora megamphida Boucher & Bovée, 1972 accepted as Actinonema pachydermatum Cobb, 1920
• Allgeniella pachydema (G.Schneider, 1926) Allgén, 1947 accepted as Chromadorita pachydema (G. Schneider, 1926) Wieser, 1954
• Atrochromadora microlaima (de Man, 1889) Wieser, 1954
• Atrochromadora parva (de Man, 1893) Wieser, 1954
• Austranema shirleyae (Coles, 1965) Inglis, 1969 accepted as Parapinnanema shirleyae (Coles, 1965) Warwick & Coles, 1975
• Boreomicrolaimoides problematicus (Ditlevsen, 1918) Allgen, 1954
• Cheironchus vorax Cobb, 1917
• Choanolaimus psammophilus de Man, 1880
• Choniolaimus crassus Vitiello, 1971
• Choniolaimus novempapillatus Schuurmans Stekhoven, 1946
• Choniolaimus panicus Gerlach, 1956
• Choniolaimus papillatus Ditlevsen, 1918
• Chromadora axi Gerlach, 1951
• Chromadora bipapillata Micoletzky, 1922
• Chromadora brevipapillata Micoletzky, 1924
• Chromadora buesumensis Kreis, 1924
• Chromadora caeca (Bastian, 1865) Wieser, 1954 (uncertain > taxon inquirendum)
• Chromadora kreisi Schuurmans Stekhoven & Adam, 1931 (uncertain > taxon inquirendum)
• Chromadora lorenzeni Jensen, 1980 accepted as Karkinochromadora lorenzeni (Jensen, 1980) Blome, 1982
• Chromadora macrolaima de Man, 1889
• Chromadora mucrodonta Steiner, 1916 accepted as Chromadorita mucrodonta (Steiner, 1916) Wieser, 1954
• Chromadora nudicapitata Bastian, 1865
• Chromadora papillata (Bastian, 1865) Filipjev, 1918 (uncertain > taxon inquirendum)
• Chromadora sabelloides Bastian, 1865 (uncertain > taxon inquirendum)
• Chromadora undecimpapillata Wieser, 1959
• Chromadorella acriminiensis (Gerlach, 1953) accepted as Chromadorella ariminiensis (Gerlach, 1953) Lorenzen, 1972 accepted as Trichromadora ariminiensis Gerlach, 1953
• Chromadorella ariminiensis (Gerlach, 1953) Lorenzen, 1972 accepted as Trichromadora ariminiensis Gerlach, 1953
• Chromadorella duopapillata Platt, 1973
• Chromadorella filiformis (Bastian, 1865) Filipjev, 1918
• Chromadorella membranata (Micoletzky, 1922) Micoletzky, 1924
• Chromadorella parapoecilosoma (Micoletzky, 1922) Wieser, 1951
• Chromadorella problematica Boucher, 1976
• Chromadorella salicaniensis Boucher, 1976
• Chromadorina armata (Allgén, 1933) Wieser, 1954
• Chromadorina bergensis (Allgén, 1932) Wieser, 1954
• Chromadorina bioculata (Schultze in Carus, 1857) Wieser, 1954
• Chromadorina cervix (Wieser, 1951) Wieser, 1954
• Chromadorina demani Inglis, 1962
• Chromadorina erythrophthalma (G. Schneider, 1906) Wieser, 1954
• Chromadorina germanica (Bütschli, 1874) Wieser, 1954
• Chromadorina granulopigmentata (Wieser, 1951) Wieser, 1954
• Chromadorina incurvata Wieser, 1956
• Chromadorina inversa Wieser, 1955
• Chromadorina laeta (de Man, 1876) Micoletzky, 1924 (uncertain > taxon inquirendum)
• Chromadorina longisetosa (De Coninck & Schuurmans Stekhoven, 1933) Wieser, 1954
• Chromadorina macropunctata (Wieser, 1954) Wieser, 1954
• Chromadorina majae Wieser, 1968
• Chromadorina micoletzkyi Inglis, 1962
• Chromadorina nuda Wieser, 1954
• Chromadorina obtusa Filipjev, 1918
• Chromadorina ocellata (Paramonov, 1929) Wieser, 1954 (uncertain > taxon inquirendum)
• Chromadorina rognoeensis (Allgén, 1932) Wieser, 1954
• Chromadorina supralitoralis Lorenzen, 1969
• Chromadorina viridis (Linstow, 1876) Wieser, 1954
• Chromadorissa strandi Kreis, 1928
• Chromadorita abnormis (Kreis, 1928) Wieser, 1954
• Chromadorita brachypharynx (Allgén, 1932) Wieser, 1954
• Chromadorita brevisetosa Gerlach, 1953
• Chromadorita demaniana Filipjev, 1922
• Chromadorita fennica Jensen, 1979
• Chromadorita gracilis (Filipjev, 1922) Wieser, 1954
• Chromadorita guidoschneideri (Filipjev, 1929) Wieser, 1954
• Chromadorita heterophya (Steiner, 1916) Filipjev, 1922 (uncertain > taxon inquirendum)
• Chromadorita hyalocephala (Steiner, 1916) Filipjev, 1922
• Chromadorita leuckarti (de Man, 1876) Filipjev, 1929
• Chromadorita lunatica Gerlach, 1965 accepted as Chromaspirina lunatica Gerlach, 1965
• Chromadorita minima (Kreis, 1929) Wieser, 1954
• Chromadorita minor (Allgén, 1927) Wieser, 1954
• Chromadorita mucrocaudata Boucher, 1976
• Chromadorita mucrodonta (Steiner, 1916) Wieser, 1954
• Chromadorita nana Lorenzen, 1973
• Chromadorita norvegica (Allgén, 1946) accepted as Prochromadorella norwegica (Allgén, 1932) Wieser, 1951
• Chromadorita obliqua (Gerlach, 1953) Wieser, 1954
• Chromadorita pachydema (G. Schneider, 1926) Wieser, 1954