Sphaerolaimus dispar Filipjev, 1918 accepted as Parasphaerolaimus dispar (Filipjev, 1918) Filipjev, 1946
Sphaerolaimus ferulaceus Gourbault & Boucher, 1981 (uncertain > taxon inquirendum )
Sphaerolaimus glaphyrus Vitiello, 1971
Sphaerolaimus hadalis Freudenhammer, 1975 accepted as Metasphaerolaimus hadalis (Freudenhammer, 1975) Gourbault & Boucher, 1981
Sphaerolaimus hirsutus Bastian, 1865
Sphaerolaimus ibericus Freudenhammer, 1975 (uncertain > taxon inquirendum )
Sphaerolaimus kleini Jensen, 1992
Sphaerolaimus lutarius Gourbault & Boucher, 1981
Sphaerolaimus macrocirculus Filipjev, 1918
Sphaerolaimus micropapillatus Tchesunov & Miljutin, 2006
Sphaerolaimus minutus Vitiello, 1971
Sphaerolaimus paragracilis Vitiello, 1971
Sphaerolaimus peruanus Freudenhammer, 1975
Sphaerolaimus profundus Vitiello, 1971
Sphaerolaimus uncinatus Freudenhammer, 1970
Subsphaerolaimus brevicauda Jensen, 1992
Subsphaerolaimus seticaudatus Gourbault & Boucher, 1981