Fernando Etayo Serna is a Colombian paleontologist and geologist. His contributions on the paleontology in Colombia has been mainly on the descriptions of ammonites and Etayo has helped describing man
The first publication by Etayo was about Codakia orbicularis
Oyster fossils from the Chipaque Formation
Heinzia, known from the Trincheras Fm.
Etayo has contributed to the understanding of ammonites of Colombia, seen here close to Villa de Leyva
Etayoa is an ungulate of the family Carodniidae in the order Xenungulata that lived during the Early Eocene in northern South America.
Paleogeography of Northern South America, 50 Ma by Ron Blakey