Enoploides Ssaweljev, 1912 (additional source)
Enoplolaimus de Man, 1893 (additional source)
Enoplus Dujardin, 1845 (additional source)
Halichoanolaimus minor Ssaweljev, 1912 (additional source)
Halichoanolaimus quattuordecimpapillatus Chitwood, 1951 (additional source)
Mesacanthion Filipjev, 1927 (additional source)
Metasphaerolaimus Gourbault & Boucher, 1981 (additional source)
Metasphaerolaimus cancellatus Gourbault & Boucher, 1981 (identification resource)
Metasphaerolaimus crassicauda (Freudenhammer, 1975) Gourbault & Boucher, 1981 (additional source)
Metasphaerolaimus gerlachi Jensen, 1992 (original description)
Metasphaerolaimus hadalis (Freudenhammer, 1975) Gourbault & Boucher, 1981 (additional source)
Metasphaerolaimus hamatus Gourbault & Boucher, 1981 (additional source)
Metasphaerolaimus inglisi Gourbault & Boucher, 1981 (additional source)
Parasphaerolaimus antiae Jensen, 1992 (original description)
Pomponema Cobb, 1917 (identification resource)
Pomponema corniculata Gourbault, 1980 (additional source)
Pomponema koesterae Jensen, 1992 (original description)
Pomponema segregatum Wieser, 1959 (additional source)
Sphaerolaimus Bastian, 1865 (additional source)
Sphaerolaimus ferulaceus Gourbault & Boucher, 1981 (additional source)
Sphaerolaimus ibericus Freudenhammer, 1975 (additional source)
Sphaerolaimus kleini Jensen, 1992 (original description)
Sphaerolaimus lutarius Gourbault & Boucher, 1981 (additional source)
Sphaerolaimus macrocirculus Filipjev, 1918 (identification resource)
Sphaerolaimus paragracilis Vitiello, 1971 (additional source)
Sphaerolaimus peruanus Freudenhammer, 1975 (additional source)
Sphaerolaimus uncinatus Freudenhammer, 1970 (identification resource)
Subsphaerolaimus brevicauda Jensen, 1992 (original description)
Subsphaerolaimus seticaudatus Gourbault & Boucher, 1981 (additional source)
Syringolaimus de Man, 1888 (additional source)
Syringolaimus filicaudatus Vitiello, 1970 (additional source)
Syringolaimus renaudae Gourbault & Vincx, 1985 (additional source)