Locality	Layer
	Belgium, Hainaut, Tournai, Cinq Rocs group quarry	Calcaires de Calonne, lower part
	Belgium, Namur, Matignolles-Waulsort	Calcaire Waulsortien
	Great Britain, England,Cornwall, Heathfield Farm	Tournaisian
	Spain, León, Olleros de Alba	Marbre Griotte