Stratigraphic-Occurrences
1
Butternut Member
1
Canaseraga Formation (NY)
1
Cardiff Member
3
Centerfield Member
1
Cerro Gordo Member
1
Chemung Magnafacies (NY)
1
Chemung Magnafacies (PA)
1
Chenango Member
1
Delphi Station Member
1
Edgecliff Member
1
Fir Tree Member
1
Frame Member
2
Geneseo Formation (NY)
2
Gilboa Formation (NY)
2
Glen Aubrey Formation (NY)
2
Hamilton Group
1
Hamilton Group (NY)
2
Hubbard Quarry Member
1
Independence Member
1
Ithaca Formation (N)
2
Ithaca Formation (NY)
3
Ivy Point Member
2
Jaycox Member
1
Jerome Member
1
Juniper Hill Member
3
Kashong Member
3
Ledyard Member
1
Levanna Member
1
Lime Creek Formation (IA)
1
Lithography City Formation (IA)
1
Little Cedar Formation (IA)
1
Lodi Member
1
Ludlowville Formation
4
Ludlowville Formation (NY)
3
Mahantango Formation (PA)
1
Marcellus Formation
1
Martin Formation (AZ)
1
Mason City Member
1
Montebello Member
2
Moorehouse Member
1
Moscow Formation
4
Moscow Formation (NY)
1
Mottsville Member
2
Mottville Member
1
New Lisbon Member
1
Nora Member
2
Oatka Creek Formation (NY)
3
Onondaga Formation (NY)
2
Otisco Member
1
Owen Member
1
Penn Yan Formation (NY)
1
Rapid Member
1
Rock Grove Member
2
Seneca Member
1
Shell Rock Formation (IA)
1
Silica Shale (IN)
1
Silica Shale (MI)
1
Silica Shale (MI and OH)
1
Silica Shale (OH)
3
Skaneateles Formation (NY)
1
Sly Gap Formation (NM)
1
Solon Member
1
Tichenor Member
5
Tully Formation (NY)
1
Unknown
1
Upperville Member
3
Wanakah Member
1
West Brook Member
4
Windom Member