Patarroyo, P. and Götz, S. 2020. Lower Aptian deposits with ammonites and rudists, Punta Espada, Alta Guajira (Uribia – Colombia). Lithostratigraphy and regional commentaries. Boletín de Geología. 42, 3 (Sep. 2020), 227–241. DOI:https://doi.org/10.18273/revbol.v42n3-2020010.