Type species: Helopora divaricatus Ulrich, 1886
This genus includes the species:
Ariunchimeg, 2009 | Late Ordovician | Russia | WoRMS 1409565 | |
Ernst, 2007 | Ordovician | India | WoRMS 1409566 | |
Lobdell, 1992 | Ordovician | USA (N. Dakota) | WoRMS 1409567 | |
Lobdell, 1992 | Ordovician | USA (N. Dakota) | WoRMS 1409568 | |
(Ulrich, 1886) | Ordovician | USA | WoRMS 1414292 | |
(Ulrich, 1893) | U. Ordovician | USA (Ohio, Indiana) | WoRMS 1414293 | |
(Ulrich, 1890) | U. Ordovician | USA, Canada | WoRMS 1414294 | |
Yang & Xia, 1976 | Silurian | China (Yunnan) | WoRMS 1409569 | |
Conti, 1990 | Ordovician | Sardinia | WoRMS 1409570 |