Locality IGM 2587, NW margin of Escondida syncline, ca. 15 km E of Espinazo, Nuevo León, Mexico; Adjuntas ... [details]
Locality IGM 2587, NW margin of Escondida syncline, ca. 15 km E of Espinazo, Nuevo León, Mexico; Adjuntas ... [details]
Locality IGM 1973, E side of Cerro La Carroza, SE of San José de la Popa, Nuevo León, Mexico; Adjuntas Formation, ... [details]