This level could be attributed accurately to the Upper Solutrean. The most recent layer was also relatively rich, with various burins (borers), striker pins, and perforated objects of bone and that could belong to the Lower Magdalenian. Certainly, compared with the stratigraphical significance of El Castillo, La Pasiega is an archeological sequence of less organization, so far as the materials yet found are concerned.[note 2] However they should certainly not be less valued for this.