Type species: Chaetetes petechialis Nicholson, 1875 (Bassler 1953 has P. gregaria)
This genus includes the species:
(Nicholson, 1875) | Late Ordovician Caradocian | USA (Ohio) | WoRMS 1412878 | |
Ulrich, 1889 | Late Ordovician Ashgillian | Canada (Manitoba) | WoRMS 1437126 |
Petigopora from Cincinnati region: at University of Georgia.
Petigopora from Nashville region: at University of Georgia.