fossiliferous

Pottsville Group (Middle Pennsylvanian; Frazeysburg Pit, Muskingum County, Ohio, USA) 9
by James St. John

Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; eastern Ohio, USA) 40
by James St. John

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

Ohio Statehouse (Columbus, Ohio, USA) 2
by James St. John

Fossil plants in carbonaceous shale (top of Pottsville Formation, Middle Pennsylvanian; old coal mine ENE of St. Clair, Pennsylvania, USA) 12
by James St. John

Fossiliferous dolostone (Rockford Limestone, Lower Mississippian; Burkesville West Rt. 90 roadcut, Kentucky, USA) 2
by James St. John

Gastropod & brachiopod fossils (Solsville Shale, Middle Devonian; Morrisville North roadcut, Madison County, New York State, USA)
by James St. John

Lower Mercer Shale-Lower Mercer Limestone-Middle Mercer Coal (Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA) 1
by James St. John

Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; eastern Ohio, USA) 44
by James St. John

Intraclastic pebbly limestone (Ste. Genevieve Limestone, Middle Mississippian; Boone Avenue, Mammoth Cave, Kentucky, USA) 1
by James St. John

Bivalves in fossiliferous sandstone (Marshall Sandstone, Lower Mississippian; near Jackson, Michigan, USA) 3
by James St. John

Natural Bridge of Virginia (Natural Bridge State Park, Virginia, USA) 6
by James St. John

Slade Formation over Renfro Member over Nada Member (Mississippian; Interstate-64 roadcut north-northeast of Morehead, Kentucky, USA) 1
by James St. John

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

Putnam Hill Limestone (Middle Pennsylvanian; Mt. Zion Road Outcrop, Muskingum Co., Ohio, USA) 7
by James St. John

Maxville Limestone (Mississippian; Jonathan Run, north-northwest of Fultonham, Ohio, USA) 24
by James St. John

Vertebrate bone in lacustrine limestone (Flagstaff Limestone, Upper Paleocene; South Ephraim Canyon, Utah, USA) 2
by James St. John

Fossil log & dinosaur bones (Morrison Formation, Upper Jurassic; Carnegie Quarry, Dinosaur National Monument, Utah, USA) 4
by James St. John

Vertebrate bone in lacustrine limestone (Flagstaff Limestone, Upper Paleocene; South Ephraim Canyon, Utah, USA) 5
by James St. John

Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; eastern Ohio, USA) 6
by James St. John

Pycnocrinus dyeri (fossil crinoids) (Arnheim Formation, Upper Ordovician; Dent, Ohio, USA) 11
by James St. John

Lafarge Marblehead Quarry (Marblehead Peninsula, Ohio, USA) 14
by James St. John

Nautiloid & crinoid columnals in limestone (Kope Formation, Upper Ordovician; Route 52 roadcut, east of Cincinnati, Ohio, USA)
by James St. John

Fossil log & dinosaur bones (Morrison Formation, Upper Jurassic; Carnegie Quarry, Dinosaur National Monument, Utah, USA) 1
by James St. John

Waynesville Formation over Arnheim Formation (Upper Ordovician; Roaring Run, Warren County, Ohio, USA) 6
by James St. John

Spiriferid brachiopods (Solsville Shale, Middle Devonian; Morrisville North roadcut, Madison County, New York State, USA) 4
by James St. John

Lower Mercer Limestone (Middle Pennsylvanian; Rt. 16 roadcut near Trinway, Ohio, USA) 8
by James St. John

Brachiopod (Fort Payne Formation, Lower Mississippian; Rt. 61 roadcut, north of Burkesville, Kentucky, USA) 2
by James St. John

Vertebrate tooth in nonmarine black shale (Cow Branch Formation, Upper Triassic; Route 220 roadcut north of the Dan River, Rockingham County, North Carolina, USA) 1
by James St. John

Ironstone nodule horizon above the Lower Mercer Limestone (Middle Pennsylvanian; Rt. 16 roadcut near Trinway, Ohio, USA) 2
by James St. John

Maxville Limestone (Mississippian; East Fultonham Pit, Muskingum County, Ohio, USA) 4
by James St. John

Columbus Limestone (Middle Devonian; The Wedge, Kelleys Island, Lake Erie, Ohio, USA) 1
by James St. John

Fossil colonial coral (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 14
by James St. John

Lower Mercer Limestone (Middle Pennsylvanian; Rt. 16 roadcut near Trinway, Ohio, USA) 4
by James St. John

Geode (Fort Payne Formation, Lower Mississippian; Rt. 61 roadcut, north of Burkesville, Kentucky, USA) 8
by James St. John

Silica Formation & top of the Dundee Limestone (Middle Devonian; Benchmark Materials-France Stone Company Sylvania Quarry, Lucas County, Ohio, USA) 8
by James St. John

Chertified fossiliferous oolitic limestone boulder in conglomerate ("Sharon Conglomerate", Lower Pennsylvanian; Jackson North roadcut, Ohio, USA) 2
by James St. John

Geode (Fort Payne Formation, Lower Mississippian; Rt. 61 roadcut, north of Burkesville, Kentucky, USA) 6
by James St. John

Fossil log & dinosaur bones (Morrison Formation, Upper Jurassic; Carnegie Quarry, Dinosaur National Monument, Utah, USA) 3
by James St. John

Ohio Senate Building (Columbus, Ohio, USA) 2
by James St. John

Solitary rugose corals (Columbus Limestone, Middle Devonian; abandoned quarry, Kelleys Island, Lake Erie, Ohio, USA) 31
by James St. John

Columbus Limestone (Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 13
by James St. John

Waynesville Formation (Upper Ordovician; Miamisburg railroad cut, Ohio, USA) 1
by James St. John

Ferruginous flint (Boggs Member, Middle Pennsylvanian; Rock Cut railroad cut, south-southeast of Dresden, Ohio, USA) 7
by James St. John

Paleopebble (Dugway Member, Cuyahoga Formation, Lower Mississippian; Mary Ann Township, Licking County, Ohio, USA) 1
by James St. John

Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; eastern Ohio, USA) 34
by James St. John

Lower Mercer Limestone (Middle Pennsylvanian; Frazeysburg Pit, Muskingum County, Ohio, USA) 8
by James St. John

Partially silicified Hexagonaria (fossil coral) (Columbus Limestone, Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 2
by James St. John

Lafarge Marblehead Quarry's dock loadout facility (Marblehead Peninsula, Ohio, USA) 7
by James St. John

Columbus Limestone (Middle Devonian; North Side Quarry, Kelleys Island, Lake Erie, Ohio, USA) 27
by James St. John

Ironstone concretion (Lower Mercer Ore, Middle Pennsylvanian; Rt. 16 roadcut near Trinway, Ohio, USA) 4
by James St. John

Fossil colonial coral (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 16
by James St. John

Emmonsia tuberosa (fossil coral) (Jeffersonville Limestone, Middle Devonian; Louisville Cement Company Quarry, Sellersburg, Indiana, USA)
by James St. John

Ohio Senate Building (Columbus, Ohio, USA) 1
by James St. John

Fossiliferous limestone (Columbus Limestone, Middle Devonian; Sullivant Quarry, Columbus, Ohio, USA) 59
by James St. John

Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; eastern Ohio, USA) 26
by James St. John

Oncolitic limestone (Wirrapowie Limestone, Lower Cambrian; Mernmerna railroad bridge dry creek cut, South Australia) 1
by James St. John

Lower Mercer Shale-Lower Mercer Limestone-Middle Mercer Coal (Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA) 3
by James St. John

Maxville Limestone (Mississippian; Jonathan Run, north-northwest of Fultonham, Ohio, USA) 16
by James St. John

Maxville Limestone (Mississippian; East Fultonham Pit, Muskingum County, Ohio, USA) 13
by James St. John