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.