| Nominal Species (n = 6) | Present allocation (n = 6) | Ref. |
|---|---|---|
| Thoracostomopsis barbata Ditlevsen, 1918 | Thoracostomopsis barbata | 19 |
| Thoracostomopsis carolae Inglis, 1964 | Thoracostomopsis carolae | 19 |
| Thoracostomopsis ditlevseni Filipjev, 1927 | Thoracostomopsis ditlevseni | 19 |
| Thoracostomopsis doveae Warwick, 1970 | Thoracostomopsis doveae | 19 |
| Thoracostomopsis galeata Filipjev, 1927 | Thoracostomopsis galeata | 19 |
| Thoracostomopsis longissima Filipjev, 1927 | Thoracostomopsis longissima | 19 |