Ascolaimus Ditlevsen, 1919 (additional source)
Bathylaimus parafilicaudatus Allgén, 1935 accepted as Bathylaimus chesapeakensis Timm, 1952 (ecology source)
Calomicrolaimus honestus (de Man, 1922) Jensen, 1978 accepted as Microlaimus honestus De Man, 1922 (ecology source)
Chromadorita Filipjev, 1922 (ecology source)
Chromaspirina parapontica Luc & De Coninck, 1959 (additional source)
Chromaspirina pellita Gerlach, 1954 (additional source)
Daptonema normandicum (de Man, 1890) Lorenzen, 1977 (ecology source)
Daptonema tenuispiculum (Ditlevsen, 1918) Lorenzen, 1977 (ecology source)
Desmodora schulzi Gerlach, 1950 accepted as Desmodorella schulzi (Gerlach, 1950) Verschelde et al., 1998 (ecology source)
Dichromadora cucullata Lorenzen, 1973 (additional source)
Dorylaimopsis Ditlevsen, 1918 (additional source)
Enoploides spiculohamatus Schulz, 1932 (additional source)
Karkinochromadora lorenzeni (Jensen, 1980) Blome, 1982 (ecology source)
Leptonemella aphanothecae Gerlach, 1950 (additional source)
Metalinhomoeus de Man, 1907 (additional source)
Microlaimus marinus (Schulz, 1932) Schuurmans Stekhoven & De Coninck, 1933 (ecology source)
Molgolaimus turgofrons (Lorenzen, 1971) Jensen, 1978 (ecology source)
Monhystera disjuncta Bastian, 1865 accepted as Halomonhystera disjuncta (Bastian, 1865) Andrássy, 2006 (ecology source)
Monoposthia mirabilis Schulz, 1932 (ecology source)
Neochromadora munita Lorenzen, 1971 (ecology source)
Onyx perfectus Cobb, 1891 (additional source)
Paracanthonchus thaumasius (Schulz, 1932) Vincx et al., 1982 (ecology source)
Paracyatholaimus pentodon Riemann, 1966 (ecology source)
Prochromadorella attenuata (Gerlach, 1952) Lorenzen, 1972 (additional source)
Rhips ornata Cobb, 1920 (ecology source)
Rhynchonema quemer Boucher, 1974 (ecology source)
Richtersia inaequalis Riemann, 1966 (ecology source)
Sabatieria celtica Southern, 1914 (ecology source)
Sabatieria punctata (Kreis, 1924) (ecology source)
Sphaerolaimus Bastian, 1865 (additional source)
Spirinia parasitifera (Bastian, 1865) Gerlach, 1963 (ecology source)
Terschellingia longicaudata de Man, 1907 (ecology source)
Tubolaimoides tenuicaudatus (Allgén, 1934) Gerlach, 1963 (ecology source)
Viscosia franzii Boucher, 1977 (additional source)
Xyala striata Cobb, 1920 (additional source)