Locality	Layer
	Algeria, Sud Oranais, Hassi Sguilma Nord	S1b
	Australia, New South Wales, Paterson	Flagstaff Sandstone
	Australia, New South Wales, Tamworth	Goonoo Goonoo Mudstone
	Germany, Rhenish Mountains, Belecke, quarry E of chapel	Erdbach Lst.
	Germany, Rhenish Mountains, Drewer, Provinzial quarry E	Erdbach Lst.
	Germany, Rhenish Mountains, Warstein, quarry S of Bilstein Cave	Erdbach Lst.
	Great Britain, England,Devonshire, Codden Hill quarry near Barnstaple	Lower Visean
	Great Britain, England,Devonshire, Codden Hill, Barnstaple	Codden Hill Chert
	Great Britain, England,Devonshire, Kersdown quarry, Bampton	Codden Hill Chert
	Great Britain, England,Devonshire, Park gate quarry	Codden Hill Chert
	Great Britain, England,Devonshire, Westleigh, near Burlescombe	Lower Visean
	Italy, Carnic Alps (Italy), Cellon, S slope	grey-brown lmst., boulder
	Russian Federation, South Urals (undifferentiated), Bol. Sikashty River	Early Viséan, unrecognized
	USA, Missouri, Barry County, Roaring River State Park	Reeds Spring Chert Member of Boone Fm.