Actinolaimidae Thorne, 1939 (original description)
Actinolaiminae Thorne, 1939 (original description)
Alaimus acutus Thorne, 1939 (original description)
Alaimus arcuatus Thorne, 1939 (original description)
Alaimus glissus Thorne, 1939 (original description)
Alaimus parvus Thorne, 1939 (original description)
Alaimus proximus Thorne, 1939 (original description)
Alaimus similis Thorne, 1939 (original description)
Alaimus tenuis Thorne, 1939 (original description)
Amphidelus Thorne, 1939 (original description)
Amphidelus eremitus Thorne, 1939 (original description)
Amphidelus latus Thorne, 1939 (original description)
Amphidelus lissus Thorne, 1939 (original description)
Axonchium micans Thorne, 1939 accepted as Metaxonchium micans (Thorne, 1939) Andrássy, 1996 (original description)
Axonchium propinquum (de Man, 1921) Thorne, 1939 (new combination reference)
Belondira Thorne, 1939 (original description)
Belondira apitica Thorne, 1939 (original description)
Belondira caudata Thorne, 1939 (original description)
Belondira clava Thorne, 1939 (original description)
Belondira ortha Thorne, 1939 (original description)
Belondiridae Thorne, 1939 (original description)
Carcharolaimus Thorne, 1939 (original description)
Carcharolaimus dentatus Thorne, 1939 (original description)
Carcharolaimus teres Thorne, 1939 (original description)
Discolaimium Thorne, 1939 (original description)
Discolaimium conura Thorne, 1939 (original description)
Discolaimium cylindricum Thorne, 1939 (original description)
Discolaimium latum Thorne, 1939 (original description)
Discolaimus major Thorne, 1939 (original description)
Discolaimus similis Thorne, 1939 (original description)
Discomyctus Thorne, 1939 (original description)
Discomyctus cephalatus Thorne, 1939 (original description)
Discomyctus longicaudatus (Imamura, 1931) Thorne, 1939 (new combination reference)
Dorylaimoides conurus Thorne, 1939 (original description)
Dorylaimus alaeus Thorne, 1939 (original description)
Enchodelus Thorne, 1939 (original description)
Enchodelus analatus (Ditlevsen, 1927) Thorne, 1939 (new combination reference)
Enchodelus groenlandicus (Ditlevsen, 1927) Thorne, 1939 (new combination reference)
Enchodelus hopedorus (Thorne, 1929) Thorne, 1939 (new combination reference)
Enchodelus laevis Thorne, 1939 (original description)
Enchodelus macrodoroides (Steiner, 1914) Thorne, 1939 (new combination reference)
Enchodelus macrodorus (de Man, 1880) Thorne, 1939 (new combination reference)
Enchodelus teres Thorne, 1939 (original description)
Enchodelus vesuvianus (Cobb, 1893) Thorne, 1939 (new combination reference)
Labronema Thorne, 1939 (original description)
Labronema alticolum (Menzel in Hofmänner & Menzel, 1914) Thorne, 1939 (new combination reference)
Labronema ferox Thorne, 1939 (original description)
Labronema hyalinum (Thorne & Swanger, 1936) Thorne, 1939 (new combination reference)
Labronema pacificum (Cobb, 1906) Thorne, 1939 (new combination reference)
Labronema varicaudatum (Thorne, 1929) Thorne, 1939 (new combination reference)
Longidorella Thorne, 1939 (original description)
Longidorella parva Thorne, 1939 (original description)
Longidorus sylphus Thorne, 1939 (original description)
Oxydirus Thorne, 1939 (original description)
Tylencholaimellus sagittifer (de Man, 1921) Thorne, 1939 (new combination reference)
Tylencholaimus nanus Thorne, 1939 (original description)
Tyleptus Thorne, 1939 (original description)
Xiphinema obtusum Thorne, 1939 (original description)