Stephensoniella
- Stephensoniella fluviatilis (Lastockin, 1935)
See; Potamodrilus stephensoni (Lastockin, 1935) (ref. ID; 3692)
- Stephensoniella marina (Moore, 1902) (ref. ID; 6655)
- Stephensoniella sterreri (Lasserre & Erseus, 1976) (ref. ID; 6655)
- Stephensoniella trevori (Coates, 1980) (ref. ID; 6655)