Locality	Layer
	Belgium, Liège, Geule Valley, N of Sippenaeken II	2
	Belgium, Liège, Gueule Valley, near Bellet farm	1
	Belgium, Liège, Val Dieu, Pays de Herve	R1b2
	Belgium, Liège, Val-Dieu Abbey, 1200 m NW of	12
	Belgium, Liège, Val-Dieu Abbey, 1200 m NW of	8
	France, Nord-Pas-de-Calais, Valenciennes,Houillères	Retic.nodosum horizon,pl.G,H,I,J
	Great Britain, England,Derbyshire, Alport Valley, Swint Clough	R1
	Great Britain, England,Devonshire, Exeter, Pinhoe brickfield	H-R1