| Nominal Species (n = 4) | Present allocation (n = 4) | Ref. |
|---|---|---|
| Sphaeronella intermedia Hansen, 1897 | Sphaeronella intermedia | 19 |
| Sphaeronellopsis monothrix Bowman & Kornicker, 1967 | Sphaeronellopsis monothrix | 19 |
| Sphaeronella spinosa Bradford, 1980 | Sphaeronella spinosa | 19 |
| Hansenulus trebax Heron & Damkaer, 1986 | Hansenulus trebax | 19 |