Fauna precolombina de Nariño

"Comparing relative frequencies and geographical origins of invertebrates, fishes, amphibians, reptiles, birds, and mammals depicted on pottery, stone, and metal objects, and on rock art associated with highland (Capulí, Tuza, Piartal) and coastal (Tumaco) cultures, permits inferring their ideological and commercial significances"--Handbook of Latin American Studies, v. 57.