Hallopora is an extinct genus of bryozoans of the family Halloporidae, first identified from the Lower Silurian period. They can be found in Ohio, Indiana, and Kentucky of the Midwestern United States, commonly in the Ordovician Kope Formation. Species Hallopora elegantula (Hall, 1852) Hallopora baltica Hallopora magnopora References Prehistoric bryozoan genera Ordovician bryozoans Paleozoic animals of North America Fossils of Georgia (U.S. state) Bromide Formation Paleozoic life of Ontario Verulam Formation Paleozoic life of the Northwest Territories Paleozoic life of Quebec Extinct bryozoans