# List of fossiliferous stratigraphic units in New York

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

## Sites

| Group or Formation | Period |
| Akron Formation | Silurian |
| Anse Maranda Formation | Cambrian |
| Bear Creek Shale | Silurian |
| Becraft Limestone | Devonian |
| Beekmantown Group/Fort Cassin Formation | Ordovician |
| Beekmantown Group/Rochdale Formation | Ordovician |
| Beekmantown Group/Tribes Hill Formation | Ordovician |
| Beers Hill Formation | Devonian |
| Bellvale Sandstone | Devonian |
| Bertie Group | Silurian |
| Bertie Limestone | Silurian |
| Black River Group/Trenton Formation | Ordovician |
| Black River Group/Amsterdam Limestone | Ordovician |
| Black River Group/Chaumont Formation | Ordovician |
| Canadaway Group/Alfred Shale | Devonian |
| Canadaway Group/Canaseraga Formation | Devonian |
| Canadaway Group/Cuba Formation | Devonian |
| Canadaway Group/Dunkirk Formation | Devonian |
| Canadaway Group/Gowanda Shale | Devonian |
| Canadaway Group/Java Formation | Devonian |
| Canadaway Group/Machias Formation | Devonian |
| Canadaway Group/Rushford Formation | Devonian |
| Canajoharie Formation | Ordovician |
| Cashaqua Shale | Devonian |
| Cayuta Formation | Devonian |
| Central Valley Sandstone | Devonian |
| Champlain Clay | |
| Chaumont Formation | Ordovician |
| Chazy Formation | Ordovician |
| Chazyan Group/Valcour Formation | Ordovician |
| Chazy Group/Crown Point Formation | Ordovician |
| Chazy Group/Day Point Formation | Ordovician |
| Chazy Group/Valcour Formation | Ordovician |
| Chemung Group | Devonian |
| Chesney Formation | Devonian |
| Chrysler Formation | Silurian |
| Clinton Group/Bear Creek Formation | Silurian |
| Clinton Group/Furnaceville Formation | Silurian |
| Clinton Group/Gasport Limestone | Silurian |
| Clinton Group/Glenmark Shale | Silurian |
| Clinton Group/Herkimer Formation | Silurian |
| Clinton Group/Irondequoit Limestone | Silurian |
| Clinton Group/Kirkland Formation | Silurian |
| Clinton Group/Kirkwood Formation | Silurian |
| Clinton Group/Maplewood Formation | Silurian |
| Clinton Group/Neahga Formation | Silurian |
| Clinton Group/Oneida Formation | Silurian |
| Clinton Group/Reynales Formation | Silurian |
| Clinton Group/Rochester Shale | Silurian |
| Clinton Group/Rockway Formation | Silurian |
| Clinton Group/Sauquoit Formation | Silurian |
| Clinton Group/Sodus Formation | Silurian |
| Clinton Group/Westmoreland Formation | Silurian |
| Clinton Group/Williamson Shale | Silurian |
| Clinton Group/Willowvale Formation | Silurian |
| Clinton Group/Wolcott Limestone | Silurian |
| Coeymans Limestone | Devonian |
| Conewango Group/Cattaraugus Formation | Devonian |
| Conneaut Group/Ellicott Formation | Devonian |
| Conneaut Group/Oswayo Formation | Devonian |
| Connelly Conglomerate | Devonian |
| Cotter Formation | Ordovician |
| Day Point Formation | Ordovician |
| Decker Formation | Silurian |
| Deepkill Shale | Ordovician |
| Denley Limestone | Ordovician |
| Dodgeville Facies | Ordovician |
| Enfield Formation | Devonian |
| Eramosa Formation | Silurian |
| Esopus Formation | Devonian |
| Fort Ann Formation | Ordovician |
| Fort Cassin Formation | Ordovician |
| Gardeau Formation | Devonian |
| Gardiners Clay | |
| Gasport Limestone | Silurian |
| Genesee Group/Geneseo Shale | Devonian |
| Genesee Group/Genundewa Limestone | Devonian |
| Genesee Group/Ithaca Formation | Devonian |
| Genesee Group/Lodi Formation | Devonian |
| Genesee Group/Ludlowville Formation | Devonian |
| Genesee Group/Oneonta Formation | Devonian |
| Genesee Group/Onteora Formation | Devonian |
| Genesee Group/Penn Yan Formation | Devonian |
| Genesee Group/Rock Stream Formation | Devonian |
| Genesee Group/Sherburne Sandstone | Devonian |
| Genesee Group/Sonyea Group | Devonian |
| Genesee Group/Tully Limestone | Devonian |
| Genesee Group/West River Shale | Devonian |
| Genesee Group/Genundewa Limestone | Devonian |
| Glen Aubrey Formation | Devonian |
| Gowanda Shale | Devonian |
| Great Meadows Formation | Ordovician |
| Guelph Formation | Silurian |
| Hamilton Group/Ashokan Formation | Devonian |
| Hamilton Group/Bellvale Sandstone | Devonian |
| Hamilton Group/Below Genesee Formation | Devonian |
| Hamilton Group/Centerfield Limestone | Devonian |
| Hamilton Group/Cherry Valley Formation | Devonian |
| Hamilton Group/Continental Moscow Formation | Devonian |
| Hamilton Group/Delphi Formation | Devonian |
| Hamilton Group/Gilboa Formation | Devonian |
| Hamilton Group/Hamilton Formation | Devonian |
| Hamilton Group/Jaycox Formation | Devonian |
| Hamilton Group/Kiskatom Formation | Devonian |
| Hamilton Group/Ludlowville Formation | Devonian |
| Hamilton Group/Marcellus Formation | Devonian |
| Hamilton Group/Moscow Formation | Devonian |
| Hamilton Group/Moscow Shale | Devonian |
| Hamilton Group/Mount Marion Formation | Devonian |
| Hamilton Group/Panther Mountain Formation | Devonian |
| Hamilton Group/Platekill Formation | Devonian |
| Hamilton Group/Skaneateles Formation | Devonian |
| Hamilton Group/Tully Formation | Devonian |
| Hamilton Group/Tully Pyrite | Devonian |
| Hamilton Group/Union Springs Formation | Devonian |
| Hamilton Group/Moscow Formation | Devonian |
| Helderberg Group | Devonian |
| Helderberg Group/Coeymans Formation | Devonian |
| Helderberg Group/Kalkberg Formation | Devonian |
| Helderberg Group/Manlius Formation | Devonian |
| Helderberg Group/New Scotland Formation | Devonian |
| Hoyt Limestone | Cambrian |
| Irondequoit Limestone | Silurian |
| Ithaca Sandstone | Devonian |
| Jacobs Sand | |
| Java Formation | Devonian |
| Joslin Hill Formation | Silurian |
| Kalkberg Limestone | Devonian |
| Kanouse Formation | Devonian |
| Katsberg Formation | Devonian |
| Kings Falls Limestone | Ordovician |
| Little Falls Formation | Cambrian |
| Lockport Group/Gasport Limestone | Silurian |
| Lockport Group/Ilion Formation | Silurian |
| Lorraine Group/Pulaski Shale Group/Whetstone Gulf | Ordovician |
| Katsberg Formation | Devonian |
| Trenton Group/Denley Limestone | Ordovician |
| Trenton Group/Sugar River Limestone | Ordovician |
| Ludlowville Formation | Devonian |
| Manlius Limestone | Devonian |
| Marcellus Formation | Devonian |
| Marcellus Group/Esopus Formation | Devonian |
| Meads Creek Formation equivalent | Devonian |
| Medina Group/Grimsby Formation | Silurian |
| Medina Group/Power Glen Formation | Silurian |
| Medina Group/Thorold Formation | Silurian |
| Millport Formation equivalent | Devonian |
| Moscow Formation | Devonian |
| Napanee Limestone | Ordovician |
| Naples Group/Oneonta Formation | Devonian |
| New Scotland Formation | Devonian |
| Normanskill Formation | Ordovician |
| Oak Orchard Formation | Silurian |
| Ogdensburg Formation | Ordovician |
| Oneonta Formation | Devonian |
| Onondaga Limestone | Devonian |
| Onteora Formation | Devonian |
| Oriskany Formation | Devonian |
| Panther Mountain Formation | Devonian |
| Pine Hill Formation | Devonian |
| Portage Group/Middlesex Shale | Devonian |
| Potsdam Sandstone | Cambrian |
| Rhinestreet Formation | Devonian |
| Rochester Shale | Silurian |
| Rockway Formation | Silurian |
| Salem Limestone | Carboniferous |
| Salina Group/Bertie Limestone | Silurian |
| Salina Group/Cobleskill Formation | Silurian |
| Salina Group/Syracuse Formation | Silurian |
| Salina Group/Vernon Formation | Silurian |
| Sauquoit Formation | Silurian |
| Schaghticoke Formation | Ordovician |
| Schodack Formation | Cambrian |
| Selby Limestone | Ordovician |
| Shawangunk Formation | Silurian |
| Sherburne Formation | Devonian |
| Skaneateles Formation | Devonian |
| Sodus Shale | Silurian |
| Sonyea Group/Cashaqua Formation | Devonian |
| Sonyea Group/Delaware River Flags | Devonian |
| Sonyea Group/Enfield Formation | Devonian |
| Sonyea Group/Glen Aubrey | Devonian |
| Sonyea Group/Katsberg Formation | Devonian |
| Sonyea Group/Katzberg | Devonian |
| Sonyea Group/Middlesex Shale | Devonian |
| Sonyea Group/Rock Stream Formation | Devonian |
| Sonyea Group/Stony Clove Sandstone | Devonian |
| Sonyea Group/Triangle Formation | Devonian |
| Sonyea Group/Walton Formation | Devonian |
| Stockton Formation | Triassic |
| Stony Clove Sandstone | Devonian |
| Sugar River Limestone | Ordovician |
| Syracuse Formation | Silurian |
| Trenton Group/Cobourg Limestone | Ordovician |
| Trenton Group/Denley Limestone | Ordovician |
| Trenton Group/Dolgeville Formation | Ordovician |
| Trenton Group/Sherman Fall Limestone | Ordovician |
| Tristates Group/Esopus Formation | Devonian |
| Tristates Group/Oriskany Formation | Devonian |
| Tristates Group/Schoharie Grit | Devonian |
| Tully Limestone | Devonian |
| Tully Group | Devonian |
| Utica Shale | Ordovician |
| Vernon Shale | Silurian |
| Volusia Shale | Devonian |
| West Castleton Formation | Cambrian |
| West Fall Group/Beers Hill Formation | Devonian |
| West Fall Group/Honesdale Formation | Devonian |
| West Falls Group/Angola Formation | Devonian |
| West Falls Group/Beers Hill Formation | Devonian |
| West Falls Group/Chemung Formation | Devonian |
| West Falls Group/Hanover Formation | Devonian |
| West Falls Group/Hatch Shale | Devonian |
| West Falls Group/Java Formation | Devonian |
| West Falls Group/Rhinestreet Shale | Devonian |
| West Falls Group/Walton Formation | Devonian |
| Whitehall Formation | Ordovician, Cambrian |
| Williamson Shale | Silurian |
| Willowvale Shale | Silurian |
| Wiscoy Sandstone | Devonian |
| Wolcott Limestone | Silurian |