Locality	Layer
	Germany, Saxonia, Culm near Oberlosa	3
	Germany, Thuringia, Schleiz, Alte Heerstraße	36 of Brügge
	USA, Ohio, Lorain Co., Beaver Crek, 390 m NE of Amherst church	Cleveland Shale
	USA, Ohio, Lorain Co., Towness Creek	Cleveland Shale