Locality	Layer
	Belgium, Liège, Chokier	H1, lower Homoceras Zone
	Belgium, Namur, Flismes, N of anticline	Nm1c
	Great Britain, England,Lancashire, Colne Valley, Rough Lee	R1
	Ireland, Clare Co., Lisdoonvarna	R1a
	Ireland, Limerick Co., Foynes Island	R1