Locality	Layer
		Ain El Mizab Fa.,Ain El Mizab Mb.
		Ain El Mizab Fa.,El Harrada Mb.
		Djenien Fa.,Djenien Mb.
		Eifelian,upper
		Givetian,lower
		Givetian,middle
		Hassi Kerma Fa.,up.Mb.
		Pharciceras Zone
		Tagnana Fa., lower Mb.
		Tagnana Fa., up.Mb.
		cordatum Zone
		do II