| Nominal Species (n = 11) | Present allocation (n = 11) | Ref. |
|---|---|---|
| Halammohydra adherens Swedmark & Teissier, 1958 | Halammohydra adherens | 19 |
| Halammohydra andamanensis Rao, 1978 | Halammohydra andamanensis | 8278 |
| Halammohydra chauhani Rao, 1975 | Halammohydra chauhani | 8278 |
| Halammohydra coronata Clausen, 1967 | Halammohydra coronata | 3125 |
| Halammohydra intermedia Clausen, 1967 | Halammohydra intermedia | 3125 |
| Halammohydra octopodides Remane, 1927 | Halammohydra octopodides | 19 |
| Halammohydra sagarensis Chandrasekhara & Misra, 1980 | Halammohydra sagarensis | 3125 |
| Halammohydra schulzei Remane, 1927 | Halammohydra schulzei | 19 |
| Otohydra tremulans Lacassagne, 1973 | Otohydra tremulans | 3125 |
| Otohydra vagans Swedmark & Teissier, 1858 | Otohydra vagans | 19 |
| Halammohydra vermiformis Swedmark & Teissier, 1857 | Halammohydra vermiformis | 19 |