Locality	Layer
	Belgium, Hainaut, Charbonnages d'Aiseau-Presles	Niveau M
	Belgium, Liège, Sondage du Soiron	R2c1
	France, Northern France, Sessevalle, Fosse, étage 440, à 1081 m	Shales, Marsdenian, undifferentiated
	Germany, Rhenish Mountains, Langerwehe, Gerhardine Stollen	R2b, lower horizon
	Germany, Rhenish Mountains, Langerwehe, Gerhardine Stollen	R2b, upper horizon
	Great Britain, England,Lancashire, Culvert Clough	R1
	Great Britain, England,Lancashire, Dry Clough	R1
	Great Britain, England,Lancashire, Rams Clough	R1
	Great Britain, England,Staffordshire, Oakamoor	R1
	Great Britain, England,Yorkshire, Holmfirth, Holme, Rake Dike	R1, 1250 ft
	Great Britain, England,Yorkshire, Pike Clough, Rishworth, Halifax	Marine band,Middle Grit Grp.,Millstone
	Great Britain, England,Yorkshire, Pule Hill	R1
	Great Britain, England,Yorkshire, Pule Hill	R1, 50 ft higher
	Great Britain, England,Yorkshire, Saltaire Boring	R1, 442 ft
	Great Britain, England,Yorkshire, Strines Edge, Raddle Pit Rushes	R1