Hallopora



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