Locality	Layer
	Germany, Rhenish Mountains, Hoppecke	Hangenberg-Kalk
	Great Britain, England,Cornwall, Penfoot	Yeolmbridge Beds
	Great Britain, England,Cornwall, Yeolmbridge Slate Quarry	Yeolmbridge Beds
	Poland, Lower Silesia (Dolny Slask), Dzikowiec (Ebersdorf), northern quarry	cu I
	USA, Nevada, Lincoln Co., Bactrian Mt., Pahranagat Range	Pilot Shale
	USA, Ohio, Cuyahoga Co., Bedford, Tinkers Creek	Bedford Shale
	USA, Ohio, Franklin Co., Central College, E of Big Walnut Creek	Bedford Shale