Bathylaimus parafilicaudatus Allgén, 1935 accepted as Bathylaimus chesapeakensis Timm, 1952 (ecology source)
Chromaspirina parapontica Luc & De Coninck, 1959 (ecology source)
Chromaspirina pellita Gerlach, 1954 (ecology source)
Comesomatidae Filipjev, 1918 (additional source)
Cyatholaimidae Filipjev, 1918 (additional 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)
Desmodoridae Filipjev, 1922 (additional source)
Dichromadora cucullata Lorenzen, 1973 (ecology source)
Enoploides spiculohamatus Schulz, 1932 (ecology source)
Epsilonematidae Steiner, 1927 (ecology source)
Epsilonematidae Steiner, 1927 (additional source)
Karkinochromadora lorenzeni (Jensen, 1980) Blome, 1982 (ecology source)
Leptonemella aphanothecae Gerlach, 1950 (ecology source)
Linhomoeidae Filipjev, 1922 (additional source)
Microlaimidae Micoletzky, 1922 (additional source)
Oncholaimidae Filipjev, 1916 (additional source)
Onyx perfectus Cobb, 1891 (ecology source)
Paracyatholaimus pentodon Riemann, 1966 (ecology source)
Prochromadorella attenuata (Gerlach, 1952) Lorenzen, 1972 (ecology 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)
Spilophorella paradoxa (de Man, 1888) Filipjev, 1917 (ecology source)
Thoracostomopsidae Filipjev, 1927 (ecology source)
Xyala striata Cobb, 1920 (ecology source)