Type species: Hallopora dubia Loeblich, 1942
This genus includes the species:
(Coryell, 1921) | Ordovician | USA (Tennessee) | WoRMS 1410210 | |
(Ulrich, 1893) | Ordovician | USA (Minnesota) | WoRMS 1410211 | |
(Coryell, 1921) | Ordovician | USA (Tennessee) | WoRMS 1410212 | |
(Loeblich, 1942) | Ordovician | USA (Oklahoma) | WoRMS 1410213 | |
Key, 1990 | Ordovician | USA (Oklahoma) | WoRMS 1400348 | |
(Ulrich, 1886) | Ordovician | USA, Canada | WoRMS 1410214 |