fossiliferous

Pottsville Group over Maxville Limestone (East Fultonham Pit, Muskingum County, Ohio, USA) 8
by James St. John

Pseudorthoceras sp. (fossil cephalopod) (Lower Mercer Limestone, Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA) 1
by James St. John

Fossiliferous ferruginous sandstone (Lower Mississippian; Rt. 35 roadcut, northeast of Rittenours, Ohio, USA) 5
by James St. John

Natural Bridge of Virginia with Ordovician dolostones over limestones (Natural Bridge State Park, Virginia, USA) 2
by James St. John

Fossiliferous limestone (Jeffersonville Limestone, Middle Devonian; Falls of the Ohio, southern Indiana, USA) 8
by James St. John

Fossiliferous limestones (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 36
by James St. John

Trigonostoma tenera fossil snail shell (Caloosahatchee Formation, Upper Pliocene-Lower Pleistocene; gravel pit in southwestern Florida, USA) 2
by James St. John

Pottsville Group over Maxville Limestone (East Fultonham Pit, Muskingum County, Ohio, USA) 10
by James St. John

Coiled cephalopod (Lowellville Shale, Lower Pennsylvanian; Beach City Dam outcrop, northeastern Ohio, USA) 6
by James St. John

Rafinesquina ponderosa (fossil brachiopod) (Grant Lake Formation, Upper Ordovician; south of Excello, Ohio, USA) 2
by James St. John

Fossiliferous limestone (Jeffersonville Limestone, Middle Devonian; Falls of the Ohio, southern Indiana, USA) 42
by James St. John

Putnam Hill Limestone (Middle Pennsylvanian; Dutch School Road outcrop, Muskingum Highlands, Ohio, USA) 2
by James St. John

Karst & Columbus Limestone (Middle Devonian; Indian Village Canyon, Columbus, Ohio, USA) 10
by James St. John

Blunt Run (Muskingum County, Ohio, USA) 4
by James St. John

Fossiliferous limestones (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 39
by James St. John

Fossil log & dinosaur bones (Morrison Formation, Upper Jurassic; Carnegie Quarry, Dinosaur National Monument, Utah, USA) 8
by James St. John

Mancos Shale badlands (Upper Cretaceous; Book Cliffs region, eastern Utah, USA) 4
by James St. John

Ectenocrinus simplex fossil crinoids (Kope Formation, Upper Ordovician; Petersburg, Kentucky, USA) 2
by James St. John

Mancos Shale badlands (Upper Cretaceous; northern side of Grand Valley, western Colorado, USA) 2
by James St. John

Fossiliferous sandstone (Logan Formation, Lower Mississippian; Rt. 35 roadcut, northeast of Rittenours, Ohio, USA) 2
by James St. John

Flint-knapped spearpoint (Upper Mercer Flint, Middle Pennsylvanian; Nellie-Warsaw area, Ohio, USA) 1
by James St. John

Mancos Shale badlands (Upper Cretaceous; Book Cliffs region, eastern Utah, USA) 8
by James St. John

Putnam Hill Limestone (Middle Pennsylvanian; Rt. 79 roadcut, Perry Township, Coshocton 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) 46
by James St. John

Fossiliferous limestone (Jeffersonville Limestone, Middle Devonian; Falls of the Ohio, southern Indiana, USA) 10
by James St. John

Fossiliferous limestone & fossiliferous shale (Skelley Member, Upper Pennsylvanian; Caldwell West outcrop, Ohio, USA) 4
by James St. John

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

Brachiopods in fossiliferous limestone (Skelley Member, Upper Pennsylvanian; creek cut on the western side of Caldwell, Ohio, USA) 1
by James St. John

Fossiliferous dolostone (Rockford Limestone, Lower Mississippian; Burkesville West Rt. 90 roadcut, Kentucky, USA) 13
by James St. John

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

Bivalves in fossiliferous sandstone (Marshall Sandstone, Lower Mississippian; near Jackson, Michigan, USA) 6
by James St. John

Brachiopods in fossiliferous limestone (Lower Mercer Limestone, Middle Pennsylvanian; Rock Cut railroad cut, south-southeast of Dresden, Ohio, USA) 3
by James St. John

Solitary rugose corals (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 12
by James St. John

Fossil scallop in ironstone concretion (Nancy Member, Borden Formation, Lower Mississippian; Lewis County, Kentucky, USA) 1
by James St. John

Oncolites in fossiliferous limestone (Corryville Member, McMillan Formation, Upper Ordovician; Flemingsburg South roadcut, Fleming County, Kentucky, USA) 1
by James St. John

Mancos Shale badlands (Upper Cretaceous; near the town of Grand Junction, Colorado, USA) 6
by James St. John

Archaeocyathan limestone (Ajax Limestone, Lower Cambrian; Ajax Mine, South Australia) 34
by James St. John

Archaeocyathan limestone (Ajax Limestone, Lower Cambrian; Ajax Mine, South Australia) 27
by James St. John

Fossiliferous limestone (Jeffersonville Limestone, Middle Devonian; Falls of the Ohio, southern Indiana, USA) 6
by James St. John

Oolitic ironstone (Brassfield Formation, Lower Silurian; Ohio Brush Creek roadcut, southern Ohio, USA) 1
by James St. John

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

Trilobite packstone (Alum Shale Formation, Upper Cambrian; Kinnekulle Outlier, Västergötland, Sweden) 14
by James St. John

Sand-filled burrow in mudshale (Vinton Member, Logan Formation, Lower Mississippian; Mohawk Dam roadcut, northwest of Nellie, Ohio, USA) 5
by James St. John

Bryozoan fossils (Drakes Formation, Upper Ordovician; Dunkinsville Southwest roadcut, Ohio, USA) 5
by James St. John

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

Geodized auloporid coral mass (Fort Payne Formation, Lower Mississippian; Rt. 61 roadcut, north of Burkesville, Kentucky, USA) 1
by James St. John

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

Fossiliferous sandstone (Logan Formation, Lower Mississippian; Walhonding Road Outcrop, Knox County, Ohio, USA) 6
by James St. John

Fossiliferous limestones (Marblehead Member, Columbus Limestone, Middle Devonian; lakehore outcrop near Marblehead Lighthouse, Ottawa County, Ohio, USA) 42
by James St. John

Black chert nodules in limestone (Chepultepec Formation, Lower Ordovician; Natural Bridge State Park, Virginia, USA) 3
by James St. John

Boggs Limestone (Pottsville Group, Pennsylvanian; Blunt Run, Muskingum County, Ohio, USA) 13
by James St. John

upper Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 13
by James St. John

Fossiliferous limestone (Jeffersonville Limestone, Middle Devonian; Falls of the Ohio, southern Indiana, USA) 13
by James St. John

Coiled cephalopod in concretion (Phosphoria Formation, Permian; Idaho, USA) 2
by James St. John

Fossiliferous mudshale (Boggs Shale, Pottsville Group, Pennsylvanian; Blunt Run, Muskingum County, Ohio, USA) 11
by James St. John

Agassizocrinus sp. (fossil crinoid) (Glen Dean Formation, Upper Mississippian; Rt. 62 roadcut, next to Rt. 3155 intersection, Leitchfield, Kentucky, USA) 2
by James St. John

Fault in the Lowellville Shale (Pottsville Group, Lower Pennsylvanian; Beach City Dam outcrop, northeastern Ohio, USA) 9
by James St. John

Limestone & shale (Bellevue Limestone over Fairview Formation over Kope Formation, Upper Ordovician; Maysville West roadcut, Kentucky, USA) 1
by James St. John

Fossiliferous mudshale (Price Formation, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 4
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) 2
by James St. John