| Nominal Species (n = 11) | Present allocation (n = 11) | Ref. |
|---|---|---|
| Bifaxaria bicuspis Gordon, 1993 | Bifaxaria bicuspis | 3477 |
| Bifaxaria compacta Gordon, 1993 | Bifaxaria compacta | 3477 |
| Bifaxaria corrugata Busk, 1884 | Sclerodromus corrugatus | 87599 |
| Bifaxaria gracilis Gordon, 1993 | Bifaxaria gracilis | 3477 |
| Melnikum magellanum Grischenko, 2022 | Melnikum magellanum | 3477 |
| Bifaxaria menorah Gordon, 1993 | Bifaxaria menorah | 3477 |
| Bifaxaria modesta Gordon, 1993 | Bifaxaria modesta | 3477 |
| Bifaxaria multicostata Gordon, 1993 | Bifaxaria multicostata | 3477 |
| Sclerodromus rugatus Harmer, 1957 | Sclerodromus rugatus | 87599 |
| Bifaxaria submucronata Busk, 1884 | Bifaxaria submucronata | 3477 |
| Diplonotos supplicatus Hayward & Winston, 2011 | Diplonotos supplicatus | 3477 |