fossiliferous

Putnam Hill Limestone (Middle Pennsylvanian; Mt. Zion Road Outcrop, Muskingum Co., Ohio, USA) 5
by James St. John

Ferruginous flint (Boggs Member, Middle Pennsylvanian; Rock Cut railroad cut, south-southeast of Dresden, Ohio, USA) 1
by James St. John

Coal ball (Duquesne Coal, Upper Pennsylvanian; Steubenville West roadcut, Ohio, USA) 3
by James St. John

Pottsville Group over Maxville Limestone (Black 17 Mine, White Cottage, Ohio, USA) 12
by James St. John

Archaeocyathan limestone (Ajax Limestone, Lower Cambrian; Ajax Mine, South Australia) 55
by James St. John

Lower Mercer Limestone (Middle Pennsylvanian; Rock Cut railroad cut, south-southeast of Dresden, Ohio, USA)
by James St. John

Bellevue Limestone (Upper Ordovician; Maysville West upper roadcut, Kentucky, USA) 10
by James St. John

Brachiopod fossils (Ashlock Formation, Upper Ordovician; Paint Lick Elementary School outcrop, Garrard County, Kentucky, USA) 12
by James St. John

Nautiloid cephalopod (Ashlock Formation, Upper Ordovician; Paint Lick Elementary School outcrop, Garrard County, Kentucky, USA) 3
by James St. John

Horseshoe Falls (19 November 2017) (Flat Fork, Warren County, Ohio, USA) 4
by James St. John

Sinkhole (near Seneca Caverns, Seneca County, Ohio, USA) 1
by James St. John

Inferred Rushville Shale (Vinton Member, Logan Formation, Lower Mississippian; Route 16 roadcut northeast of Frazeysburg, Ohio, USA)
by James St. John

Fossil bivalve in mudshale (Skelley Member, Upper Pennsylvanian; Caldwell West outcrop, Ohio, USA) 3
by James St. John

Fossiliferous dolostone (Rockford Limestone, Lower Mississippian; Burkesville West Rt. 90 roadcut, Kentucky, USA) 9
by James St. John

Chert nodule (Delaware Limestone, Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 9
by James St. John

Waynesville Formation (Upper Ordovician; Miamisburg railroad cut, Ohio, USA) 2
by James St. John

Archaeocyathan limestone (Ajax Limestone, Lower Cambrian; Mt. Scott Range, South Australia) 11
by James St. John

Fossil plants in carbonaceous shale (top of Pottsville Formation, Middle Pennsylvanian; old coal mine ENE of St. Clair, Pennsylvania, USA) 11
by James St. John

Putnam Hill Limestone (Middle Pennsylvanian; Old Riley Road Outcrop, Muskingum Co., Ohio, USA) 3
by James St. John

Fossiliferous volcanic tuff (Ash Hollow Formation, Miocene, 11.83 Ma; Ashfall Fossil Beds, Nebraska, USA) 5
by James St. John

Bryozoan fossil (Ashlock Formation, Upper Ordovician; Paint Lick Elementary School outcrop, Garrard County, Kentucky, USA)
by James St. John

Mancos Shale over Frontier Sandstone (Upper Cretaceous; western Dinosaur National Monument, Utah, USA) 4
by James St. John

Archaeocyathan limestone (Ajax Limestone, Lower Cambrian; Ajax Mine, South Australia) 54
by James St. John

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

Paleopebble (Dugway Member, Cuyahoga Formation, Lower Mississippian; Mary Ann Township, Licking County, Ohio, USA) 2
by James St. John

Natural Bridge of Virginia with Ordovician dolostones over limestones (Natural Bridge State Park, Virginia, USA) 9
by James St. John

Putnam Hill Limestone (Middle Pennsylvanian; Dutch School Road outcrop, Muskingum Highlands, Ohio, USA) 1
by James St. John

Pottsville Group over Maxville Limestone (Black 17 Mine, White Cottage, Ohio, USA) 18
by James St. John

Mancos Shale over Frontier Sandstone (Upper Cretaceous; western Dinosaur National Monument, Utah, USA) 6
by James St. John

Fossiliferous limestone (Lower Mercer Limestone, Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 4
by James St. John

Gastropod in limestone (Columbus Limestone, Middle Devonian; Kelleys Island, Lake Erie, Ohio, USA) 7
by James St. John

Nautiloid cephalopod (Ashlock Formation, Upper Ordovician; Paint Lick Elementary School outcrop, Garrard County, Kentucky, USA) 5
by James St. John

Girkin Limestone (Upper Mississippian; Dixon Cave Trail, Mammoth Cave National Park, Kentucky, USA) 2
by James St. John

Lowellville Shale (Lower Pennsylvanian; Beach City Dam outcrop, northeastern Ohio, USA) 1
by James St. John

Mancos Shale over Frontier Sandstone (Upper Cretaceous; western Dinosaur National Monument, Utah, USA) 2
by James St. John

Gastropod fossil in limestone (Mill Knob Member, Slade Formation, Upper Mississippian; Clack Mountain Road Outcrop, south of Morehead, Kentucky, USA)
by James St. John

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

Crinoid stems (Cowbell Member, Borden Formation, Lower Mississippian; Route 460 roadcut south of Frenchburg, Kentucky, USA) 1
by James St. John

Gastropod in limestone (Columbus Limestone, Middle Devonian; Kelleys Island, Lake Erie, Ohio, USA) 5
by James St. John

Aragonite needles in vug in dolostone (Vinton Member, Logan Formation, Lower Mississippian; Route 16 roadcut northeast of Frazeysburg, Ohio, USA) 7
by James St. John

Fossil bivalve in mudshale (Skelley Member, Upper Pennsylvanian; Caldwell West outcrop, Ohio, USA) 1
by James St. John

Bituminous coal (Middle Mercer Coal, Middle Pennsylvanian; Rt. 16 roadcut near Trinway, Ohio, USA) 5
by James St. John

Ferruginous flint (Boggs Member, Middle Pennsylvanian; Rock Cut railroad cut, south-southeast of Dresden, Ohio, USA) 5
by James St. John

Gastropods in limestone (Columbus Limestone, Middle Devonian; Kelleys Island, Lake Erie, Ohio, USA) 8
by James St. John

Gastropod in limestone (Columbus Limestone, Middle Devonian; Kelleys Island, Lake Erie, Ohio, USA) 4
by James St. John

Fossiliferous mudshale (Price Formation, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 24
by James St. John

Vandusen Coal & underclay (Lower Pennsylvanian; Irish Ridge East roadcut, near Trinway, Ohio, USA) 1
by James St. John

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

Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; eastern Ohio, USA) 22
by James St. John

Slade Formation over Renfro Member over Nada Member (Mississippian; Interstate-64 roadcut north-northeast of Morehead, Kentucky, USA) 2
by James St. John

East Fultonham Pit (Muskingum County, Ohio, USA) 5
by James St. John

Mancos Shale over Frontier Sandstone (Upper Cretaceous; western Dinosaur National Monument, Utah, USA) 1
by James St. John

Fossil plants in carbonaceous shale (top of Pottsville Formation, Middle Pennsylvanian; old coal mine ENE of St. Clair, Pennsylvania, USA) 6
by James St. John

Gastropod in limestone (Columbus Limestone, Middle Devonian; Kelleys Island, Lake Erie, Ohio, USA) 6
by James St. John

Nautiloid cephalopod (Ashlock Formation, Upper Ordovician; Paint Lick Elementary School outcrop, Garrard County, Kentucky, USA) 1
by James St. John

Spiriferid brachiopod (Fort Payne Formation, Lower Mississippian; Burkesville West Rt. 90 roadcut, Kentucky, USA) 2
by James St. John

Geode (Fort Payne Formation, Lower Mississippian; Burkesville West Rt. 90 roadcut, Kentucky, USA) 17
by James St. John

123 Fossiliferous ls. in cave ceiling 1
by James St. John

Geode (Fort Payne Formation, Lower Mississippian; Burkesville West Rt. 90 roadcut, Kentucky, USA) 18
by James St. John

Waynesville Formation (Upper Ordovician; Roaring Run, Warren County, Ohio, USA) 39
by James St. John