title: List of fossiliferous stratigraphic units in New York
text: # 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 |
  | 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 |
  