| Nominal Species (n = 8) | Present allocation (n = 8) | Ref. |
|---|---|---|
| Hallaxa apefae Marcus, 1957 | Hallaxa apefae | 83435 |
| Hallaxa chani Gosliner & Williams, 1975 | Hallaxa chani | 19 |
| Hallaxa cryptica Gosliner & Johnson, 1994 | Hallaxa cryptica | 3477 |
| Hallaxa elongata Gosliner & Johnson, 1994 | Hallaxa elongata | 3477 |
| Hallaxa iju Gosliner & S. Johnson, 1994 | Hallaxa iju | 3477 |
| Hallaxa michaeli Gosliner & Johnson, 1994 | Hallaxa michaeli | 7727 |
| Hallaxa paulinae Gosliner & Johnson, 1994 | Hallaxa paulinae | 3477 |
| Actinocyclus verrucosus Ehrenberg, 1831 | Actinocyclus verrucosus | 3204 |