| Nominal Species (n = 9) | Present allocation (n = 8) | Ref. |
|---|---|---|
| Porponia antarctica Carlgren, 1914 | Actinernus elongatus | 19 |
| Ilyanthopsis elegans Wassilieff, 1908 | Synhalcurias elegans | 19 |
| Porponia elongata Hertwig, 1882 | Actinernus elongatus | 19 |
| Synactinernus flavus Carlgren, 1918 | Synactinernus flavus | 19 |
| Actinernus mercedae Gusmão, López-González & Rodríguez, 2021 | Actinernus mercedae | 3477 |
| Actinernus michaelsarsi Carlgren, 1918 | Actinernus michaelsarsi | 19 |
| Actinernus nobilis Verrill, 1879 | Actinernus nobilis | 19 |
| Isactinernus quadrilobatus Carlgren, 1918 | Isactinernus quadrilobatus | 19 |
| Porponia robusta Hertwig, 1882 | Actinernus robustus | 19 |