List of fossiliferous stratigraphic units in Maryland

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

Sites Group or Formation Period Notes Allegheny Formation Carboniferous Antietam Formation Cambrian Aquia Formation Paleogene Brightseat Formation Paleogene Calvert Formation Neogene Chatham Group/Gettysburg Formation Triassic Chemung Formation Devonian Chesapeake Group/Calvert Formation Neogene Chesapeake/Choptank Formation Neogene Chesapeake/St. Marys Formation Neogene Clinton Group/Keefer Sandstone Silurian Clinton/Rochester Shale Silurian Clinton/Rose Hill Formation Silurian Conemaugh Group Carboniferous Dunkard Group/Greene Formation Permian Foreknobs Formation Devonian Greenland Gap Group/Foreknobs Formation Devonian Jennings Formation Devonian Aquia Formation Paleogene Magothy Formation Cretaceous Marcellus Formation Devonian Matawan Formation Cretaceous McKenzie Formation Silurian Merchantville Formation Cretaceous Mifflintown Formation Silurian Monmouth Formation Cretaceous Nanjemoy Formation Paleogene Onondaga Formation Devonian Pamlico Formation Neogene Pamunkey Group/Aquia Formation Paleogene Pamunkey/Brightseat Formation Paleogene Pamunkey/Nanjemoy Formation Paleogene Arundel Clay Cretaceous Patapsco Formation Cretaceous Patuxent Formation Cretaceous Rockdale Run Formation Ordovician Romney Formation Devonian Severn Formation Cretaceous St. Marys Formation Neogene Stonehenge Limestone Ordovician Talbot Formation Neogene Tonoloway Limestone Silurian Williamsport Sandstone Silurian Wills Creek Limestone Silurian

See also

Paleontology in Maryland

References