“…Breuil and Obermaier (Breuil & Obermaier, 1912;Obermaier, 1925) identified five stratigraphic levels: Mousterian level A (also called Level III), Aurignacian level B and Solutrean level C (both grouped as Level II), Magdalenian level D (or Level I) and Neolithic level E. Different scholars have investigated Hornos de la Peña cave producing several publications about Palaeolithic rock art (Alcalde del Río et al, 1911;Ucko, 1987Ucko, , 1989González Sainz, 2000;Rivero & Garate, 2013), portable art (Breuil & Obermaier, 1912;Obermaier, 1925;Barandiarán, 1973;Utrilla, 1981;Corchón, 1986;Tejero et al, 2008;Rivero, 2010;Rivero et al, 2021), lithic industry (Freeman, 1966(Freeman, , 1969Bernaldo de Quirós, 1982;Carrión, 2002;Tejero et al, 2008;Rios-Garaizar et al, 2013), fauna (Freeman, 1973;Straus, 1976Straus, , 1977Bernaldo de Quirós, 1982;Yravedra, 2010) and stratigraphy (Butzer, 1981). Despite these works, doubts remained about the integrity and definition of the stratigraphic sequence and its chronology (Alcalde del Río et al, 1911;Straus, 1983;Carrión, 2002).…”