Locality	Layer
	USA, New York (undifferentiated), Lower Portage Falls, Genesee River	Angola Shale
	USA, New York (undifferentiated), Norton's Landing, Cayuga Lake	Hamilton Beds
	USA, New York, Cortland Co., Truxton	Sherburn M. of Genesee Fm.
	USA, New York, Tompkins Co., Ithaca	Ithaca Fm.
	USA, Pennsylvania, Bradford, Athens	Chemung Fm.