favositid

Favosites sp. (fossil coral) (Lockport Dolomite, Middle Silurian; Rockford Stone Company Quarry, Rockford, Ohio, USA) 1
by James St. John

White fossiliferous chert in limestone (Columbus Limestone, Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 4
by James St. John

Hexagonaria percarinata (fossil coral) (Petoskey Stone) (Traverse Group, Middle Devonian; Michigan, USA) 7
by James St. John

Columbus Limestone (Middle Devonian) (Hayden Run, Dublin, Ohio, USA) 3
by James St. John

Moellerina greenei (fossil charophyte oogonia) in fossiliferous limestone (Columbus Limestone, Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 5
by James St. John

Favosites fossil coral with petroleum (Dundee Formation, Middle Devonian; Auglaize Quarry, Paulding County, Ohio, USA) 1
by James St. John

Favositid coral (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 1
by James St. John

Delaware Limestone over Columbus Limestone (Middle Devonian; Indian Village Canyon, Columbus, Ohio, USA) 4
by James St. John

Columbus Limestone (Middle Devonian) (Hayden Falls, Dublin, Ohio, USA) 1
by James St. John

Favositid coral (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 10
by James St. John

Fossiliferous limestone (Columbus Limestone, Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 8
by James St. John

Columbus Limestone (Middle Devonian) (Hayden Run, Dublin, Ohio, USA) 5
by James St. John

Columbus Limestone (Middle Devonian; Wright Run Creek, Dublin, Ohio, USA) 2
by James St. John

Columbus Limestone (Middle Devonian) (Hayden Run, Dublin, Ohio, USA) 7
by James St. John

Hexagonaria (fossil coral) (Columbus Limestone, Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 3
by James St. John

Fossiliferous limestone (Columbus Limestone, Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 7
by James St. John

Columbus Limestone (Middle Devonian) (Hayden Falls, Dublin, Ohio, USA) 3
by James St. John

Favositid coral (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 3
by James St. John

Columbus Limestone (Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 18
by James St. John

Hexagonaria (fossil coral) (Columbus Limestone, Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 1
by James St. John

Columbus Limestone-Delaware Limestone contact (Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 1
by James St. John

Partially silicified rugose coral in limestone (Columbus Limestone, Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA)
by James St. John

Columbus Limestone-Delaware Limestone boundary bed (Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 2
by James St. John

Leptaena fossil brachiopod in fossiliferous limestone (Columbus Limestone, Middle Devonian; Ohio, USA) 1
by James St. John

Favositid coral (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 11
by James St. John

Fossiliferous limestone (Columbus Limestone, Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 9
by James St. John

Delaware Limestone over Columbus Limestone (Middle Devonian; Indian Village Canyon, Columbus, Ohio, USA) 1
by James St. John

Favositid coral (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 6
by James St. John

Favositid coral (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 4
by James St. John

Favositid coral (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 8
by James St. John

Columbus Limestone (Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 10
by James St. John

Delaware Limestone over Columbus Limestone (Middle Devonian; Indian Village Canyon, Columbus, Ohio, USA) 3
by James St. John

Fossiliferous limestone (Columbus Limestone, Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 6
by James St. John

Favositid coral (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 5
by James St. John

Favositid coral (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 7
by James St. John

Coral in fossiliferous limestone (Jeffersonville Limestone, Middle Devonian; Falls of the Ohio, southern Indiana, USA) 24
by James St. John

Coral in fossiliferous limestone (Jeffersonville Limestone, Middle Devonian; Falls of the Ohio, southern Indiana, USA) 22
by James St. John

Solitary rugose corals (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 15
by James St. John

Favositid coral (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 9
by James St. John

Fossiliferous limestone (Columbus Limestone, Middle Devonian; Melvin Stone Quarry, near Williamsport, Pickaway County, Ohio, USA) 6
by James St. John

Fossiliferous limestone (Columbus Limestone, Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 4
by James St. John

Columbus Limestone (Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 19
by James St. John

Columbus Limestone-Delaware Limestone boundary bed (Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 3
by James St. John

Fossiliferous limestone (Columbus Limestone, Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 16
by James St. John

Coral in fossiliferous limestone (Jeffersonville Limestone, Middle Devonian; Falls of the Ohio, southern Indiana, USA) 19
by James St. John

Coral in fossiliferous limestone (Jeffersonville Limestone, Middle Devonian; Falls of the Ohio, southern Indiana, USA) 21
by James St. John

Fossiliferous limestone (Columbus Limestone; Middle Devonian; Ohio, USA) 8
by James St. John

Fossil gastropod in limestone (Columbus Limestone, Middle Devonian; Quarry Trails Park, Columbus, Ohio, USA) 1
by James St. John

Leptaena fossil brachiopod in fossiliferous limestone (Columbus Limestone, Middle Devonian; Ohio, USA) 2
by James St. John

Joint in limestone (Columbus Limestone, Middle Devonian; Indian Village Canyon, Columbus, Ohio, USA) 1
by James St. John

Columbus Limestone (Middle Devonian; Wright Run Creek, Dublin, Ohio, USA) 1
by James St. John

Joint in limestone (Columbus Limestone, Middle Devonian; Indian Village Canyon, Columbus, Ohio, USA) 3
by James St. John

Columbus Limestone-Delaware Limestone boundary bed (Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 4
by James St. John

Solitary rugose corals (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 18
by James St. John

Coral in fossiliferous limestone (Jeffersonville Limestone, Middle Devonian; Falls of the Ohio, southern Indiana, USA) 16
by James St. John

Solitary rugose corals (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 17
by James St. John

Fossil brachiopod in limestone (Columbus Limestone, Middle Devonian; Quarry Trails Park, Columbus, Ohio, USA) 1
by James St. John

Brachiopods (Columbus Limestone, Middle Devonian; abandoned quarry, Kelleys Island, Lake Erie, Ohio, USA) 2
by James St. John

Fossiliferous limestone (Columbus Limestone, Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 11
by James St. John

Columbus Limestone (Middle Devonian; Indian Village Canyon, Columbus, Ohio, USA) 4
by James St. John