| Nominal Species (n = 7) | Present allocation (n = 6) | Ref. |
|---|---|---|
| Polygordius eschaturus Marcus, 1948 | Polygordius eschaturus | 7866 |
| Polygordius lacteus Schneider, 1868 | Polygordius lacteus | 19 |
| Polygordius leo Marcus, 1955 | Polygordius leo | 7866 |
| Polygordius neapolitanus Fraipont, 1887 | Polygordius neapolitanus | 3477 |
| Polygordius pacificus Schmidt & Westheide, 1977 | Polygordius pacificus | 8159 |
| Polygordius ponticus Salensky, 1907 | Polygordius lacteus | 3477 |
| Polygordius villoti Perrier, 1875 | Polygordius villoti | 19 |