Adoncholaimus lepidus (de Man, 1889) Filipjev, 1918 (additional source)
Anoplostoma viviparum (Bastian, 1865) Bütschli, 1874 (additional source)
Ascolaimus elongatus (Bütschli, 1874) Shuurmans Stekhoven & de Coninck, 1932 (additional source)
Axonolaimus paraspinosus Schuurmans Stekhoven & Adam, 1931 (additional source)
Axonolaimus spinosus (Bütschli, 1874) de Man, 1889 (additional source)
Bathylaimus inermis (Ditlevsen, 1918) De Man, 1922 (additional source)
Chromadora nudicapitata Bastian, 1865 (additional source)
Chromadorita heterophya (Steiner, 1916) Filipjev, 1922 (additional source)
Dichromadora cephalata (Steiner, 1916) Kreis, 1929 (additional source)
Dichromadora geophila (de Man, 1876) Kreis, 1929 (additional source)
Dichromadora hyalocheile De Coninck & Schuurmans Stekhoven, 1933 (additional source)
Enoplolaimus vulgaris de Man, 1893 (additional source)
Enoplus brevis Bastian, 1865 (additional source)
Enoplus communis Bastian, 1865 (additional source)
Gammarinema gammari Kinne & Gerlach, 1953 (additional source)
Halichoanolaimus robustus (Bastian, 1865) de Man, 1886 (additional source)
Hypodontolaimus balticus (G. Schneider, 1906) Filipjev, 1918 (additional source)
Hypodontolaimus inaequalis (Bastian, 1865) De Man, 1886 (additional source)
Monhystera Bastian, 1865 (additional source)
Monoposthia costata (Bastian, 1865) de Man, 1889 (additional source)
Neochromadora poecilosoma (de Man, 1893) Micoletzky, 1924 (additional source)
Odontophora setosa (Allgén, 1929) (additional source)
Oncholaimus brachycercus de Man, 1889 (additional source)
Oncholaimus oxyuris Ditlevsen, 1911 (additional source)
Oxystomina elongata (Bütschli, 1874) Filipjev, 1921 (additional source)
Paracanthonchus elongatus (de Man, 1907) Micoletzky, 1924 (additional source)
Sphaerolaimus balticus Schneider, 1906 (additional source)
Sphaerolaimus gracilis de Man, 1876 (additional source)
Sphaerolaimus hirsutus Bastian, 1865 (additional source)
Spilophorella candida Gerlach, 1951 (additional source)
Thalassoalaimus septentrionalis Filipjev, 1927 (additional source)
Theristus flevensis Schuurmans Stekhoven, 1935 (additional source)
Thoracostomopsis barbata Ditlevsen, 1918 (additional source)
Tripyloides marinus (Bütschli, 1874) de Man, 1886 (additional source)