Lower aptian (Lower Cretaceous) ammonites from the basal strata of the La Pena Formation of Nuevo Leon state, northeast Mexico: biochronostratigraphic implications
Article
Barragan, Ricardo, Maurrasse, Florentin J-MR. (2008). Lower aptian (Lower Cretaceous) ammonites from the basal strata of the La Pena Formation of Nuevo Leon state, northeast Mexico: biochronostratigraphic implications
. REVISTA MEXICANA DE CIENCIAS GEOLOGICAS, 25(1), 145-157.
Barragan, Ricardo, Maurrasse, Florentin J-MR. (2008). Lower aptian (Lower Cretaceous) ammonites from the basal strata of the La Pena Formation of Nuevo Leon state, northeast Mexico: biochronostratigraphic implications
. REVISTA MEXICANA DE CIENCIAS GEOLOGICAS, 25(1), 145-157.