Locality	Layer
	Belgium, Namur, Roly, chemin de Viller's en Fagne	holzapfeli Zone
	Belgium, Namur, Romerée, chemin de Matagne-la-Petite	holzapfeli Zone
	USA, New York, Chemung Co., Elmira, crossing Route 17 with Watercure	Rhinestreet Shale (Moreland Shale)
	USA, New York, Erie Co., Angola, Big Sister Creek	Angola Shale
	USA, New York, Erie Co., Eighteen-Mile Creek	Cashaqua Shale
	USA, New York, Ontario Co., Honeoye Lake	Cashaqua Shale
	USA, New York, Tioga Co., Owego	Cayuta Shale
	USA, New York, Tompkins Co., Bald Hill, SE of Brooktondale	Chemung, Seneca
	USA, New York, Tompkins Co., Ithaca	Ithaca Fm.
	USA, New York, Wyoming Co., Relyea Creek	Rhinestreet Shale equivalents
	USA, New York, Wyoming Co., Strykersville, Glade Creek	Hanover Shale
	USA, New York, Yates Co., Naples	Cashaqua Shale