fossiliferous

middle Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA)
by James St. John

Fossil log & dinosaur bones (Morrison Formation, Upper Jurassic; Carnegie Quarry, Dinosaur National Monument, Utah, USA) 7
by James St. John

Fossiliferous limestone (Jeffersonville Limestone, Middle Devonian; Falls of the Ohio, southern Indiana, USA) 17
by James St. John

Horseshoe Falls (19 November 2017) (Flat Fork, Warren County, Ohio, USA) 3
by James St. John

upper Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 10
by James St. John

Fossil brachiopods in limestone (Columbus Limestone, Middle Devonian; Quarry Trails Park, Columbus, Ohio, USA) 5
by James St. John

Fossiliferous limestones (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 26
by James St. John

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

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

Lower Mercer Shale-Lower Mercer Limestone (Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA) 2
by James St. John

Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; Nellie area, Coshocton County, Ohio, USA) 65
by James St. John

Rafinesquina ponderosa (fossil brachiopod) (Grant Lake Formation, Upper Ordovician; south of Excello, Ohio, USA) 1
by James St. John

Fossiliferous limestones (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 28
by James St. John

Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; Nellie area, Coshocton County, Ohio, USA) 24
by James St. John

Boggs Limestone (Pottsville Group, Pennsylvanian; Blunt Run, Muskingum County, Ohio, USA) 7
by James St. John

Bellevue Limestone (Upper Ordovician; Maysville West upper roadcut, Kentucky, USA) 4
by James St. John

Bryozoan fossils (Drakes Formation, Upper Ordovician; Dunkinsville Southwest roadcut, Ohio, USA) 4
by James St. John

Ostracods in nonmarine black shale (Cow Branch Formation, Upper Triassic; Route 220 roadcut north of the Dan River, Rockingham County, North Carolina, USA) 3
by James St. John

Limestone-mudshale (Drakes Formation, Upper Ordovician; Ohio Brush Creek South Outcrop - Route 41 roadcut, Adams County, Ohio, USA)
by James St. John

Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; Nellie area, Coshocton County, Ohio, USA) 27
by James St. John

Mancos Shale badlands (Upper Cretaceous; Book Cliffs region, eastern Utah, USA) 12
by James St. John

Cougar Point Welded Ash-Flow Tuff (Miocene, 10.5-12.5 Ma; near Grasmere, Idaho, USA) 2
by James St. John

Fault in the Lowellville Shale (Pottsville Group, Lower Pennsylvanian; Beach City Dam outcrop, northeastern Ohio, USA) 7
by James St. John

Oncolites in fossiliferous limestone (Corryville Member, McMillan Formation, Upper Ordovician; Flemingsburg South roadcut, Fleming County, Kentucky, USA) 3
by James St. John

Mancos Shale badlands (Upper Cretaceous; Book Cliffs region, eastern Utah, USA) 14
by James St. John

Mancos Shale badlands (Upper Cretaceous; Dinosaur National Monument, Utah, USA) 7
by James St. John

Pottsville Group (Middle Pennsylvanian; Frazeysburg Pit, Muskingum County, Ohio, USA) 6
by James St. John

Brachiopod fossil in sandstone (Byer Sandstone, Lower Mississippian; west of Toboso, Ohio, USA) 1
by James St. John

upper Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 3
by James St. John

Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; eastern Ohio, USA) 8
by James St. John

Geode (Fort Payne Formation, Lower Mississippian; Burkesville West Rt. 90 roadcut, Kentucky, USA) 8
by James St. John

Geodized Platystrophia ponderosa brachiopod in limestone (Corryville Member, McMillan Formation, Upper Ordovician; Flemingsburg South roadcut, Fleming County, Kentucky, USA) 4
by James St. John

Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; eastern Ohio, USA) 49
by James St. John

Boggs Limestone (Pottsville Group, Pennsylvanian; Blunt Run, Muskingum County, Ohio, USA) 6
by James St. John

Mancos Shale over Frontier Sandstone (Upper Cretaceous; western Dinosaur National Monument, Utah, USA) 9
by James St. John

Flint with drusy quartz-lined fracture (Upper Mercer Flint, Middle Pennsylvanian; Nellie West Outcrop, Coshocton County, Ohio, USA) 3
by James St. John

Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; eastern Ohio, USA) 10
by James St. John

Grypania spiralis (Negaunee Iron-Formation, 2.11 Ga or 1.874 Ga; Empire Mine, SE of town of Ishpeming, Marquette County, Upper Peninsula of Michigan, USA) 01
by James St. John

Ostracods in nonmarine black shale (Cow Branch Formation, Upper Triassic; Route 220 roadcut north of the Dan River, Rockingham County, North Carolina, USA) 2
by James St. John

Ostracods 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

Nonmarine ostracod limestone (Benwood Limestone, Upper Pennsylvanian; Route 7 roadcut north of Narrows Run, Belmont County, Ohio, USA) 5
by James St. John

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

Solitary rugose corals (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, 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) 8
by James St. John

Fossiliferous limestones (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 34
by James St. John

Fossiliferous limestones (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 33
by James St. John

Historic Entrance (Mammoth Cave, Kentucky, USA) 32
by James St. John

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

Euphemites fossil mollusc in limestone (Putnam Hill Limestone, Middle Pennsylvanian; Rt. 541 roadcut, west of Tunnel Hill, Coshocton County, Ohio, USA) 1
by James St. John

Brachiopods in limestone (Richmondian Stage, Upper Ordovician; Southgate Hill roadcut, Indiana, USA) 2
by James St. John

Mancos Shale badlands (Upper Cretaceous; Dinosaur National Monument, Utah, USA) 1
by James St. John

Black chert nodule (Delaware Limestone, Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 4
by James St. John

Dundee Limestone-Anderson Limestone? (Benchmark Materials-France Stone Company Sylvania Quarry, Lucas County, Ohio, USA) 3
by James St. John

Mancos Shale over Frontier Sandstone (Upper Cretaceous; western Dinosaur National Monument, Utah, USA) 10
by James St. John

Ellipsocephalus hoffii (fossil trilobite) (Jince Formation, Middle Cambrian; vicinity of Jince, Stredocesky Region, Bohemia, Czech Republic) 6
by James St. John

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

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

Fossiliferous limestone (Columbus Limestone, Middle Devonian; Sullivant Quarry, Columbus, Ohio, USA) 10
by James St. John

Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; Nellie area, Coshocton County, Ohio, USA) 25
by James St. John

Lower Mercer Shale-Lower Mercer Limestone-Middle Mercer Coal (Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA) 6
by James St. John