List of fossiliferous stratigraphic units in New York

Group or Formation	Period	Notes
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 Limstone	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
Reynales Limestone	Silurian
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

See also

• Paleontology in New York