List of fossiliferous stratigraphic units in Ohio

This article contains a list of fossil-bearing stratigraphic units in the state of Ohio, U.S.

Sites Group or Formation Period Notes Putnam Hill Formation Carboniferous Vanport Formation Carboniferous Washingtonville Formation Carboniferous Zaleski Formation Carboniferous Ames Formation Carboniferous Arnheim Formation Ordovician Bedford Shale Devonian Bellevue Formation Ordovician Bisher Formation Silurian Borden Formation Carboniferous Brassfield Limestone Silurian Breathitt Formation Carboniferous Bull Fork Formation Ordovician Chagrin Shale Devonian Clays Ferry Formation Ordovician Cleveland Shale Devonian Columbus Limestone Devonian Ames Limestone Carboniferous Duquesne Coal Carboniferous Glenshaw Formation Carboniferous Mahoning Formation Carboniferous Corniferous Limestone Devonian Corryville Formation Ordovician Cuyahoga Formation Carboniferous Lucas Formation Devonian Dillsboro Formation Ordovician Dundee Formation Devonian Greene Formation Permian Washington Formation Permian, Carboniferous Kope Formation Ordovician McMicken Formation Ordovician Fairview Formation Ordovician Freeport Formation Carboniferous Glenshaw Formation Carboniferous Grant Lake Formation Ordovician Greenfield Formation Silurian Holland Quarry Shale Devonian Liberty Formation Ordovician Lilley Formation Silurian Lockport Dolomite Silurian Logan Formation Carboniferous Louisville Limestone Silurian Lucas Dolostone Devonian McMillan Formation Ordovician Maxville Limestone Carboniferous Maysville Limestone Ordovician Fairview Formation Ordovician Miamitown Formation Ordovician Mount Auburn Formation Ordovician Ohio Black Shale Devonian Olentangy Shale Devonian Oregonia Formation Ordovician Peebles Dolomite Silurian Plum Brook Shale Devonian Portersville Limestone Carboniferous Pottsville Formation Carboniferous Putnam Hill Formation Carboniferous Richmond Formation Ordovician Elkhorn Formation Ordovician Waynesville Formation Ordovician Whitewater Formation Ordovician Saluda Formation Ordovician Silica Formation Devonian Sunset Formation Ordovician Sylvania Sandstone Devonian Tymochtee Formation Silurian

See also

Paleontology in Ohio

References