fossiliferous

Mancos Shale badlands (Upper Cretaceous; Book Cliffs region, eastern Utah, USA) 6
by James St. John

Pseudorthoceras sp. (fossil cephalopod) (Lower Mercer Limestone, Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA) 4
by James St. John

Fossiliferous sandstone (Logan Formation, Lower Mississippian; Rt. 35 roadcut, northeast of Rittenours, Ohio, USA) 1
by James St. John

Archaeocyathan limestone (Ajax Limestone, Lower Cambrian; Mt. Scott Range, South Australia) 10
by James St. John

Waldron Shale (Middle Silurian) (St. Paul Stone Quarry, St. Paul, Indiana, USA) 2
by James St. John

Fossiliferous limestone (Ramey Creek Member, Slade Formation, Upper Mississippian; Bighill Mountain roadcut, south of Bighill, Kentucky, USA)
by James St. John

Plant fossils in claystone (Pekin Formation, Upper Triassic; Boren Clay Pit, Gulf, North Carolina, USA) 11
by James St. John

Cupulocrinus polydactylus (fossil crinoid) (Liberty Formation, Upper Ordovician; Brookville area, Indiana, USA) 1
by James St. John

Brachiopods in fossiliferous limestone (Jeffersonville Limestone, Middle Devonian; Falls of the Ohio, southern Indiana, USA) 3
by James St. John

Fossiliferous limestone & fossiliferous shale (Skelley Member, Upper Pennsylvanian; Caldwell West outcrop, Ohio, USA) 23
by James St. John

Archaeocyathan limestone (Ajax Limestone, Lower Cambrian; Ajax Mine, South Australia) 42
by James St. John

Pseudorthoceras sp. (fossil cephalopod) (Lower Mercer Limestone, Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA) 3
by James St. John

Black chert nodule (Delaware Limestone, Middle Devonian; Emerald Parkway roadcut, Dublin, Ohio, USA) 3
by James St. John

Aulopora & Hederella encrusting a Mediospirifer? brachiopod (Silica Formation, Middle Devonian; quarry northwest of Paulding, Ohio, USA) 1
by James St. John

Ferruginous limestone (Boggs Member, Middle Pennsylvanian; Frazeysburg Pit, Muskingum County, Ohio, USA) 17
by James St. John

Bryozoan fossils in limestone (Drakes Formation, Upper Ordovician; Dunkinsville Southwest roadcut, Ohio, USA) 3
by James St. John

Unidentified fossil (Boggs Limestone) 1
by James St. John

Historic Entrance (Mammoth Cave, Kentucky, USA) 26
by James St. John

Fossil bivalve in limestone (Arnheim Formation, Upper Ordovician; Roaring Run, Warren County, Ohio, USA) 2
by James St. John

Lafarge Marblehead Quarry (Marblehead Peninsula, Ohio, USA) 1
by James St. John

Archaeocyathan limestone (Ajax Limestone, Lower Cambrian; Mt. Scott Range, South Australia) 3
by James St. John

Coquina (Anastasia Formation, Quaternary; St. Augustine, Florida, USA) 2
by James St. John

Coquina (Anastasia Formation, Quaternary; St. Augustine, Florida, USA) 1
by James St. John

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

Encrinite (Fort Payne Formation, Lower Mississippian; Rt. 61 roadcut, north of Burkesville, Kentucky, USA) 9
by James St. John

Trepostome bryozoan (Grant Lake Formation, Upper Ordovician; south of Excello, Ohio, USA) 1
by James St. John

Nautiloid cephalopod (Grant Lake Formation, Upper Ordovician; south of Excello, Ohio, USA)
by James St. John

Fossiliferous mudshale (Boggs Shale, Pottsville Group, Pennsylvanian; Blunt Run, Muskingum County, Ohio, USA) 18
by James St. John

Champlain Black Marble (Crown Point Limestone, Middle Ordovician; Vermont, USA) 4
by James St. John

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

Pottsville Group over Maxville Limestone (East Fultonham Pit, Muskingum County, Ohio, USA) 5
by James St. John

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

Archaeocyathan limestone (Fork Tree Limestone, Lower Cambrian; Old Sellicks Hill Road, Fleurieu Peninsula, South Australia) 4
by James St. John

Lower Mercer Limestone (Middle Pennsylvanian) (Symmes Creek, Mollies Rock Road bridge, Muskingum County, Ohio, USA) 1
by James St. John

Plant fossil in claystone (Pekin Formation, Upper Triassic; Boren Clay Pit, Gulf, North Carolina, USA) 15
by James St. John

Boggs Limestone (Pottsville Group, Pennsylvanian; Blunt Run, Muskingum County, Ohio, USA) 12
by James St. John

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

Fossiliferous limestone (Columbus Limestone, Middle Devonian; Melvin Stone Quarry, near Williamsport, Pickaway County, Ohio, USA) 3
by James St. John

Mudchip breccia in limestone (Boggs Limestone, Middle Pennsylvanian; ravine below Rt. 208, east of Dresden, Muskingum County, Ohio, USA) 3
by James St. John

Bivalve fossil (Ashlock Formation, Upper Ordovician; Paint Lick Elementary School outcrop, Garrard County, Kentucky, USA) 2
by James St. John

Plant fossil in claystone (Pekin Formation, Upper Triassic; Boren Clay Pit, Gulf, North Carolina, USA) 12
by James St. John

Fossiliferous mudshale (Price Formation, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 26
by James St. John

Encrinite (Fort Payne Formation, Lower Mississippian; Rt. 61 roadcut, north of Burkesville, Kentucky, USA) 12
by James St. John

Archaeocyathan limestone (Ajax Limestone, Lower Cambrian; Ajax Mine, South Australia) 23
by James St. John

Mastigograptus pepper rock (Kope Formation, Upper Ordovician; Aurora West outrop, Dearborn County, Indiana, USA) 3
by James St. John

Mancos Shale badlands (Upper Cretaceous; near the town of Grand Junction, Colorado, USA) 7
by James St. John

Mancos Shale badlands (Upper Cretaceous; near the town of Grand Junction, Colorado, USA) 10
by James St. John

Archaeocyathan limestone (Ajax Limestone, Lower Cambrian; Ajax Mine, South Australia) 25
by James St. John

Agassizocrinus sp. (fossil crinoid) (Glen Dean Formation, Upper Mississippian; Rt. 62 roadcut, next to Rt. 3155 intersection, Leitchfield, Kentucky, USA) 4
by James St. John

Productid brachiopod in fossiliferous limestone (Lower Mercer Limestone, Middle Pennsylvanian; Symmes Creek at Mollies Rock Road bridge, Muskingum County, Ohio, USA) 10
by James St. John

Cyclonema sp. (fossil gastropod) (Grant Lake Formation, Upper Ordovician; south of Excello, Ohio, USA) 2
by James St. John

Interbedded fossiliferous limestones and shales (Kope Formation-Fairview Formation-Bellevue Limestone, Upper Ordovician; Maysville West roadcut, Kentucky, USA) 5
by James St. John

Brachiopods in fossiliferous limestone (Jeffersonville Limestone, Middle Devonian; Falls of the Ohio, southern Indiana, USA) 7
by James St. John

Fossil favositid coral in limestone (Columbus Limestone, Middle Devonian; Quarry Trails Park, Columbus, Ohio, USA) 2
by James St. John

Fossiliferous calcareous shale (Maxville Limestone, Mississippian; East Fultonham Quarry, Muskingum County, Ohio, USA) 3
by James St. John

Plant fossil in claystone (Pekin Formation, Upper Triassic; Boren Clay Pit, Gulf, North Carolina, USA) 23
by James St. John

Archaeocyathan limestone (Ajax Limestone, Lower Cambrian; Ajax Mine, South Australia) 48
by James St. John

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

Trilobite packstone (Alum Shale Formation, Upper Cambrian; Kinnekulle Outlier, Västergötland, Sweden) 2
by James St. John

Limestone and shale (Ashlock Formation, Upper Ordovician; Route 52 roadcut, near Point Leavell, Kentucky, USA) 9
by James St. John