Type species: Hallopora dybowskii Bassler, 1911
This genus includes the species:
| (Bassler, 1911) | Ordovician Sandbian-Katian | Estonia, Sweden | WoRMS 1412683 | |
| Conti, 1990 | Ordovician | Italy Sardinia | WoRMS 1406176 | |
| Conti, 1990 | Ordovician | Italy Sardinia | WoRMS 1406177 |