| Nominal Species (n = 6) | Present allocation (n = 3) | Ref. |
|---|---|---|
| Hyalonema borealis Loven, 1868 | Stylocordyla borealis | 75097 |
| Stylocordyla borealis var. globosa Ridley & Dendy, 1886 | Stylocordyla borealis | 3477 |
| Stylocordyla chupachups Uriz, Gili, Orejas & Pérez-Porro, 2011 | Stylocordyla chupachups | 3477 |
| Stylocordyla longissima Sars, 1872 | Stylocordyla longissima | 19 |
| Polymastia stipitata Carter, 1876 | Stylocordyla borealis | 75097 |
| Stylocordyla stipitata var. globosa Ridley & Dendy, 1886 | Stylocordyla borealis | 3477 |