| Nominal Species (n = 8) | Present allocation (n = 8) | Ref. |
|---|---|---|
| Orchistomella applanata Kramp, 1959 | Orchistomella applanata | 19 |
| Netocertoides branchiatum Mayer, 1900 | Netocertoides branchiatum | 75097 |
| Melicertoides centripetalis Kramp, 1959 | Melicertoides centripetalis | 19 |
| Melicertum georgicum Agassiz, 1862 | Melicertum georgicum | 19 |
| Orchistoma graeffei Neppi & Stiasny, 1911 | Orchistomella graeffei | 2992 |
| Oceania octocostatum Sars, 1835 | Melicertum octocostatum | 2992 |
| Melicertella panocto Haeckel, 1879 | Melicertum panocto | 2992 |
| Orchistoma tentaculata Mayer, 1900 | Orchistomella tentaculata | 2992 |