Hallopora can be commonly founded in what type of bedrock formation?
Hallopora Hallopora is an extinct genus of bryozoans. They can be found in Ohio, Indiana, and Kentucky of the Midwestern United States, commonly in the Ordovician Kope Formation.
Lithostrotion Lithostrotion is a genus of rugose coral which is commonly found as a fossil within Carboniferous Limestone. "Lithostrotion" is a member of the Lithostrotionidae family. The genus "Lithostrotion", a common and readily recognised group of fossils, became extinct by the end of the Palaeozoic era.