• Anguilloides acer
• Anguilloides cosmius
• Anguilloides tubifer
• Anguilluloides procera Weingärtner, 1953
• Anguilluloides tremebunda Goodey, 1963
• Anguilluloides zondagi Dale, 1967
• Baujardia mirabilis Bert, Tandingan de Ley, Van Driessche, Segers & de Ley, 2003
• Brevistoma elegans Mukhina, 1981 accepted as Mukhina elegans (Mukhina, 1981)
• Halicephalobus brevicauda (Mavlyanov, 1976)
• Halicephalobus gingivalis Stefanski, 1954
• Halicephalobus intermedius Pokrovskaya, 1964
• Halicephalobus laticauda Geraert, Sudhaus, Lenaerts & Bosmans, 1988
• Halicephalobus limuli Timm, 1956
• Halicephalobus minutus Körner, 1954
• Halicephalobus parvus Körner, 1954
• Halicephalobus similigaster (Andrássy, 1952)
• Micronema brevicauda Mavlyanov, 1976 accepted as Halicephalobus brevicauda (Mavlyanov, 1976)
• Micronema deletrix Anderson & Bemrick, 1965 accepted as Halicephalobus gingivalis Stefanski, 1954
• Micronema minutum
• Micronema parvum
• Micronema similigaster
• Mukhina elegans (Mukhina, 1981)
• Panagrellus ceylonensis Hechler, 1971
• Panagrellus dorsobidentata
• Panagrellus dubius
• Panagrellus leucocephalus Steiner, 1936 accepted as Panagrellus redivivus Linnaeus, 1767
• Panagrellus ludwigii
• Panagrellus pycnus
• Panagrellus redividus Thorne, 1938
• Panagrellus redivivoides (Goodey, 1943)
• Panagrellus redivivus Linnaeus, 1767
• Panagrobelium minimum Andrássy, 1986
• Panagrobelus coronatus (Fuchs, 1930)
• Panagrobelus incisus
• Panagrobelus stammeri Rühm, 1956
• Panagrobelus topayi Andrássy, 1960
• Panagrodontus dendritophagus (Fuchs, 1930)
• Panagrodontus dentatus Thorne, 1935
• Panagrodontus orthotomici (Korentchenko, 1992)
• Panagrolaimoides multidentatus (Ivanova, 1976) †
• Panagrolaimus aberrans
• Panagrolaimus aestivus Andrássy, 1996
• Panagrolaimus australis (Cobb, 1893)
• Panagrolaimus burdwanensis Chaturvedi & Khera, 1979
• Panagrolaimus davidi Timm, 1971
• Panagrolaimus dendritophagus Fuchs, 1930 accepted as Panagrodontus dendritophagus (Fuchs, 1930)
• Panagrolaimus dentritophagus
• Panagrolaimus detritophagus Fuchs, 1930
• Panagrolaimus fuchsi
• Panagrolaimus hermineae Karapetyan, 1979
• Panagrolaimus hydrophilus Bassen
• Panagrolaimus hygrophilus Bassen, 1940
• Panagrolaimus magnivulvatus Bostrom, 1995
• Panagrolaimus migophilus Poinar & Geetha-Ba, 1979
• Panagrolaimus obesus Thorne, 1937 accepted as Panagrolaimus subelongatus (Cobb, 1914)
• Panagrolaimus orientalis Korentchenko, 1986
• Panagrolaimus orthotomici Korentchenko, 1992
• Panagrolaimus papillosus Loof, 1971
• Panagrolaimus paralongicaudatus (Altherr, 1938)
• Panagrolaimus rigidus (Schneider, 1866)
• Panagrolaimus ruemi Ivanova, 1958
• Panagrolaimus ruffoi Andrássy, 1962
• Panagrolaimus subelongatus (Cobb, 1914)
• Panagrolaimus superbus Fuchs, 1930
• Panagrolaimus trilabiatus Zell, 1987
• Panagromacra margaretae Massey, 1964
• Tricephalobus gingivalis Stefanski, 1954
• Tricephalobus longicaudatus Bütschli, 1873
• Tricephalobus similigaster Andrássy, 1952 accepted as Halicephalobus similigaster (Andrássy, 1952)
• Trilabiatus acuminatus
• Trilabiatus labiatus
• Trilabiatus lignicolus
• Turbator redivivoides Goodey, 1943 accepted as Panagrellus redivivoides (Goodey, 1943)
• Turbatrix aceti