Locality	Layer
	France, Bretagne, Porsguen	Porsguen Fm.
	USA, New York (undifferentiated), Spezzano's Gully (=Peterson's Gully)	Leicester Pyrite
	USA, New York (undifferentiated), Taunton Gully	Leicester Pyrite
	USA, New York, Erie Co., Wende Station, 4 mls SE of	Alden Marcasite
	USA, New York, Livingstone Co., Leicester (Moscow)	Leicester Pyrite
	USA, New York, Livingstone Co., Paterson's Creek	Leicester Pyrite
	USA, New York, Onondaga Co., Pratt's Falls	Hamilton Fm.
	USA, New York, Ontario Co., Black Point, Canandaigua Lake	Leicester Pyrite
	USA, New York, Ontario Co., Canandaigua Lake, near	Leicester Pyrite