Adoncholaimus fuscus (Bastian, 1865) Filipjev, 1918 (additional source)
Anoplostoma viviparum (Bastian, 1865) Bütschli, 1874 (ecology source)
Anticoma acuminata (Eberth, 1863) Bastian, 1865 (additional source)
Ascolaimus elongatus (Bütschli, 1874) Shuurmans Stekhoven & de Coninck, 1932 (additional source)
Atrochromadora microlaima (de Man, 1889) Wieser, 1954 (additional source)
Axonolaimus hexapilus Wieser & Hopper, 1967 (additional source)
Axonolaimus orcombensis Warwick, 1970 (additional source)
Axonolaimus paraspinosus Schuurmans Stekhoven & Adam, 1931 (additional source)
Axonolaimus spinosus (Bütschli, 1874) de Man, 1889 (ecology source)
Bathylaimus assimilis de Man, 1922 accepted as Bathylaimus australis Cobb, 1894 (additional source)
Bathylaimus paralongisetosus Schuurmans Stekhoven & De Coninck, 1933 (additional source)
Bathylaimus stenolaimus Schuurmans-Stekhoven & De Coninck, 1933 (additional source)
Calyptronema maxweberi (de Man, 1922) (additional source)
Camacolaimus barbatus Warwick, 1970 accepted as Deontolaimus tardus (de Man, 1889) Holovachov & Boström, 2015 (additional source)
Chromadorina germanica (Bütschli, 1874) Wieser, 1954 (additional source)
Chromadorita tenuis (G. Schneider, 1906) Filipjev, 1922 (ecology source)
Chromaspirina inglisi Warwick, 1970 (additional source)
Chromaspirina parapontica Luc & De Coninck, 1959 (additional source)
Desmodora communis (Bütschli, 1874) De Man, 1889 (additional source)
Desmodora pontica Filipjev, 1922 (ecology source)
Dichromadora cephalata (Steiner, 1916) Kreis, 1929 (additional source)
Dichromadora hyalocheile De Coninck & Schuurmans Stekhoven, 1933 (additional source)
Diplopeltis incisus Southern, 1914 accepted as Diplopeltula incisa (Southern, 1914) Gerlach, 1962 accepted as Neodiplopeltula incisa (Southern, 1914) Holovachov & Boström, 2018 (additional source)
Enoploides brunettii Gerlach, 1953 (additional source)
Enoploides spiculohamatus Schulz, 1932 (additional source)
Enoplolaimus denticulatus Warwick, 1970 (additional source)
Enoplolaimus litoralis Schulz, 1936 (additional source)
Enoplolaimus propinquus de Man, 1922 (additional source)
Enoplus brevis Bastian, 1865 (additional source)
Epacanthion gorgonocephalum Warwick, 1970 (additional source)
Euchromadora vulgaris (Bastian, 1865) de Man, 1886 (additional source)
Eumorpholaimus sabulicolus Schulz, 1932 accepted as Eleutherolaimus sabulicolus (Schulz, 1932) Tchesunov & Miljutin, 2006 (ecology source)
Eurystomina terricola (de Man, 1907) Filipjev, 1921 (additional source)
Gammanema conicauda Gerlach, 1953 (additional source)
Hypodontolaimus balticus (G. Schneider, 1906) Filipjev, 1918 (additional source)
Hypodontolaimus schuurmansstekhoveni Gerlach, 1951 (ecology source)
Leptolaimus ampullaceus Warwick, 1970 (additional source)
Leptolaimus papilliger de Man, 1876 (additional source)
Leptonemella aphanothecae Gerlach, 1950 (additional source)
Mesacanthion hirsutum Gerlach, 1953 (additional source)
Metachromadora remanei Gerlach, 1951 accepted as Metachromadoroides remanei (Gerlach, 1951) Timm, 1961 (additional source)
Metachromadora vivipara (de Man, 1907) Allgen, 1928 accepted as Chromadoropsis vivipara (de Man, 1907) Allgen, 1928 (additional source)
Microlaimus honestus De Man, 1922 (additional source)
Microlaimus robustidens Schuurmans Stekhoven & De Coninck, 1933 (additional source)
Microlaimus spirifer Warwick, 1970 accepted as Molgolaimus spirifer (Warwick, 1970) Shi & Xu, 2017 (additional source)
Monoposthia mirabilis Schulz, 1932 (ecology source)
Neochromadora tecta Gerlach, 1951 (additional source)
Odontophora villoti Luc & De Coninck, 1959 (additional source)
Oncholaimellus calvadosicus de Man, 1890 (ecology source)
Oncholaimus brachycercus de Man, 1889 (additional source)
Oncholaimus campylocercoides De Coninck & Schuurmans Stekhoven, 1933 (additional source)
Paracanthonchus tyrrhenicus (Brunetti, 1949) Gerlach, 1953 (additional source)
Paracyatholaimus intermedius (de Man, 1880) Micoletzky, 1922 (additional source)
Paralinhomoeus lepturus de Man, 1907 (additional source)
Paralinhomoeus tenuicaudatus (Bütschli, 1874) de Man, 1907 accepted as Linhomoeus tenuicaudatus Bütschli, 1874 (additional source)
Paralinhomoeus uniovarium Warwick, 1970 (additional source)
Pomponema reductum Warwick, 1970 (additional source)
Praeacanthonchus punctatus (Bastian, 1865) Micoletzky, 1924 (additional source)
Sabatieria celtica Southern, 1914 (additional source)
Sigmophoranema litorale (Schulz, 1938) Gerlach, 1951 accepted as Onyx litorale (Schulz, 1938) Armenteros et al., 2014 (additional source)
Sphaerolaimus hirsutus Bastian, 1865 (additional source)
Spilophorella paradoxa (de Man, 1888) Filipjev, 1917 (ecology source)
Spirinia laevis (Bastian, 1865) Gerlach, 1963 (additional source)
Spirinia parasitifera (Bastian, 1865) Gerlach, 1963 (additional source)
Stephanolaimus elegans Ditlevsen, 1918 (additional source)
Terschellingia communis de Man, 1888 (additional source)
Terschellingia longicaudata de Man, 1907 (additional source)
Theristus acer Bastian, 1865 (additional source)
Theristus denticulatus Warwick, 1970 (additional source)
Theristus interstitialis Warwick, 1970 (additional source)
Theristus normandicus (de Man, 1890) accepted as Daptonema normandicum (de Man, 1890) Lorenzen, 1977 (additional source)
Tripyla Bastian, 1865 (additional source)
Viscosia cobbi Filipjev, 1918 (additional source)
Viscosia viscosa (Bastian, 1865) de Man, 1890 (additional source)
Xyala striata Cobb, 1920 (additional source)