Sobre la existencia de niveles de tránsito entre el Westfaliense D y el Estfaniense A en el oriente de Asturias
Abstract
A discordant carboniferous unit of distinct marine caracter maped in the Onís-Cabrales arca (eastern Asturies, Cantabrian Mts.) has been dated as ranging from upper West-phalian 1) - to lower Stephanian A ("Cantabrian", WAGNER, 1965) from determination by R. H. WAGNER of floras collected at four localities.