| Nominal Species (n = 3) | Present allocation (n = 2) | Ref. |
|---|---|---|
| Spirastrella dilatata Kieschnick, 1896 | Trachycladus spinispirulifer | 81807 |
| Trachycladus laevispirulifer Carter, 1879 | Trachycladus laevispirulifer | 3477 |
| Suberites spinispirulifer Carter, 1879 | Trachycladus spinispirulifer | 81807 |