Locality	Layer
	Algeria, Ahnet, Redjel Iamrad	Givetian,upper
	Algeria, Monts d'Ougarta, Erg el Djemel	Givetian,middle
	Algeria, Saoura Valley, Béni Abbès,SW of	Givetian,middle
	Germany, Rhenish Mountains, Adorf, Martenberg	terebratum Zone
	Great Britain, England,Devonshire, Newton Abbot, Wolborough quarry	terebratum Zone
	Morocco, Tafilalt, Ouidane Chebbi	upper costatus - ensensis
	Morocco, Tafilalt, Rich Tamirant	Late Eifelian, unrecognized