Locality	Layer
	Morocco, Atlas (Morocco), Ouida-Berguent route	Lower Westphalian
	Morocco, Tafilalt, Oued Agaia	Upper Westphalian
	USA, Ohio, Columbiana Co., Franklin Township, Summitville	Conemough group, Brush Creek unit
	USA, Ohio, Guernsey County, Westland Township	Conemaugh group, Portersville unit
	USA, Oklahoma, Pontotoc Co., Ada, 7 mls SE of, Buck Creek, Lovelady	Union Valley Sandstone