Locality	Layer
	USA, New York (undifferentiated), Fall Brook, 1.5 mls S of Geneseo	Geneseo Shale
	USA, New York, Erie Co., Eighteen-Mile Creek	Cashaqua Shale
	USA, New York, Livingstone Co., Cashaqua Creek	Naples Fm.
	USA, New York, Livingstone Co., Paterson's Creek	Hamilton Fm.