List of fossiliferous stratigraphic units in Ontario

This is a list of stratigraphic units in Ontario bearing fossils.

Group or formation Period Notes Aberdeen Lake Formation Ordovician Amherstburg Formation Devonian Arkona Formation Devonian Arkona Shale Devonian Attawapiskat Formation Silurian Bad Cache Rapids Group/Surprise Creek Formation Ordovician Bertie Group/Williamsville Formation Silurian Black River Group/Bobcaygeon Formation Ordovician Black River Group/Ottawa Formation Ordovician Bobcaygeon Formation Ordovician Cabot Head Formation Silurian Cobourg Formation Ordovician DeCew Formation Silurian Detroit River Group/Lucas Formation Devonian Don Beds Formation Canada Dyer Bay Formation Silurian Ekwan River Formation Silurian Eramosa Formation Silurian Farr Formation Ordovician Fossil Hill Formation Silurian Gasport Formation Silurian Georgian Bay Formation Ordovician Goat Island Formation Silurian Guelph Formation Silurian Gull River Formation Ordovician Hamilton Group/Hungry Hollow Formation Devonian Irondequoit Limestone Formation Silurian Kettle Point black Shale Devonian Kwataboahegan Formation Devonian Lockport Formation Silurian Long Rapids Formation Devonian Lowville Formation Ordovician Manitoulin Formation Silurian, Ordovician Meaford Formation Ordovician Medina Group/Power Glen Formation Silurian Missinaibi Formation Quaternary Murray Island Formation Devonian Nottawasaga Group/Georgian Bay Formation Ordovician Nottawasaga Group/Whitby Formation Ordovician Ohio Shale Devonian Onondaga Formation Devonian Ottawa Formation Ordovician Ottawa Group/Lowville Formation Ordovician Oxford Formation Ordovician Pamelia Formation Ordovician Power Glen Formation Silurian Power Glen Shale Silurian Queenston Formation Ordovician Rochester Shale Silurian Scarborough Formation Canada Sextant Formation Devonian Simcoe Group/Bobcaygeon Formation Ordovician Simcoe Group/Gull River Formation Ordovician Simcoe Group/Lindsay Formation Ordovician Simcoe Group/Verulam Formation Ordovician St. Edmund Formation Silurian Stooping River Formation Devonian Thorold Formation Silurian Trenton Group/Cobourg limestone Formation Ordovician Trenton Group/Sherman Fall limestone Formation Ordovician Verulam Formation Ordovician Williams Island Formation Devonian

See also

References