| Nominal Species (n = 4) | Present allocation (n = 4) | Ref. |
|---|---|---|
| Adeorbis fragilis Sars, 1878 | Rugulina fragilis | 83435 |
| Pendroma perplexa Dall, 1927 | Pendroma perplexa | 83435 |
| Trachysma tenuis Thiele, 1912 | Rugulina tenuis | 83435 |
| Cyclostrema verrilli Tryon, 1888 | Rugulina verrilli | 83435 |