Locality	Layer
	Mexico, Coahuila, Cerro San Pedro, Arroyo La Difunta	La Difunta beds
	Mexico, Coahuila, Las Delicias, Arroyo la Difunta, E of	Capitanian
	Mexico, Coahuila, Las Delicias, Loc.20 Cerro Wencelao	Bed 5 Difunta section
	USA, Texas, Culberson Co., Bell Canyon N side, 1 mile NE of Hegler	Hegler Lst.