| Nominal Species (n = 4) | Present allocation (n = 4) | Ref. |
|---|---|---|
| Mytilicola intestinalis Steuer, 1903 | Mytilicola intestinalis | 19 |
| Mytilicola orientalis Mori, 1935 | Mytilicola orientalis | 19 |
| Mytilicola porrecta Humes, 1954 | Mytilicola porrecta | 19 |
| Cerastocheres trochicola Monod & Dollfus, 1932 | Cerastocheres trochicola | 3477 |