| Scientific Name | Author | English Name |
|---|---|---|
| Buccolaimus grahami | Allgen, 1959 | |
| Doliolaimus agilis | Lorenzen, 1966 | |
| Sphaerolaimus abyssorum | Allgen, 1933 | |
| Sphaerolaimus anterides | Inglis, 1961 | |
| Sphaerolaimus balticus | Schneider | |
| Sphaerolaimus brevicollis | Ssaweljev, 1912 | |
| Sphaerolaimus dispar | Filipjev, 1918 | |
| Sphaerolaimus duplex | Allgen, 1952 | |
| Sphaerolaimus gracilis | De Man 1876 | |
| Sphaerolaimus hirsutus | Bastian, 1865 | |
| Sphaerolaimus islandicus | Ditlevsen, 1926 | |
| Sphaerolaimus lodosus | Gerlach, 1956 | |
| Sphaerolaimus megamphis | Wieser, 1956 | |
| Sphaerolaimus pacificus | Allgen, 1947 | |
| Sphaerolaimus paradoxus | (Ditlevsen, 1918) | |
| Sphaerolaimus penicillus | Gerlach, 1956 | |
| Sphaerolaimus polaris | (Filipjev, 1946) | |
| Sphaerolaimus striatus | Allgen, 1935 | |
| Sphaerolaimus uncinatus | Freudenhammer, 1970 |