An updated stratigraphic scheme of the Pre-Variscan sequence of the Carnic Alps is herein proposed. Subdivisions of the lithostratigraphic succession have been carefully revised and homogenized in each investigated time slice. Recognized units have been accordingly formalized. Timelines have been improved as well. The succession spans the Middle Ordovician-early Late Carboniferous interval and has been formally divided in 36 Formations, providing a sound reference for future geological studies in this part of the Carnic Alps and enabling a more global correlation with other palaeogeographical domains
