Keywords: Phaenopora superba Silurian Brassfield.jpeg en Phaenopora superba a bryozoan from the Brassfield Formation Silurian of Ohio 2015-04-19 14 37 45 own Wilson44691 other versions cc-zero Uploaded with UploadWizard Silurian fossils from the United States Bryozoa fossils Fossils of Ohio |