The archaeological stratigraphy has been divided into around 19 layers, depending on the source they slightly deviate from each other, however the overall sequence is consistent, beginning in the Proto-Aurignacian, and ending in the Bronze Age.

[1] This is consistent with the tradition of cave painting originating in the Proto-Aurignacian, with the first arrival of anatomically modern humans in Europe.

[2] A 2013 study of finger length ratios in Upper Paleolithic hand stencils found in France and Spain determined that the majority were of female hands, overturning the previous widely held belief that this art form was primarily a male activity.

Alcalde del Río found an extensive sequence of images executed in charcoal and red ochre on the walls and ceilings of multiple caverns.

[citation needed] There are over 150 depictions already catalogued, including those that emphasize the engravings of a few deer, complete with shadowing.