Locality	Layer
	Algeria, Algéro-marocains, Confins, Haci-Diab (Hassi Diab),S Djebel Grouz	Schistes à Proshumardites
	USA, Arkansas, Van Buren Co., Peyton Creek, F.Steward Phosphate Mine	Imo Fm.
	USA, Oklahoma, Pontotoc Co., Mannsville, Arbuckles	Rhoda Creek Fm.