Locality	Layer
	Belgium, Liège, Chokier	H1, lower Homoceras Zone
	Germany, Rhenish Mountains, Arnsberg, Cosack brickworks quarry	E2b
	Germany, Thuringia, Saalfeld, Bohlen	late Famennian, undiffentiated
	Great Britain, England,Lancashire, Dinckley, River Ribble	P2 "above subcircularis"
	Russian Federation, South Urals,Chelyabinskaya Obl., Kos'va River, Khaldinki	Artinskian