Cárdenas, Andrés, José Daniel Giraldo, Daniel Monterrosa, and Marion Weber. 2023. “Fossil Leaves, Woods, Gastropods, and a Crocodile Tooth: Is the Amagá Formation Worth Exploring?”. Revista De La Academia Colombiana De Ciencias Exactas, Físicas Y Naturales 47 (185). Bogotá, Colombia:943-51. https://doi.org/10.18257/raccefyn.1896.