these large, food-intensive specialist crocodilians, and was probably the primary cause of their extinction. References External links World's largest crocodylian skull Gavialidae Prehistoric pseudosuchian genera Miocene crocodylomorphs Miocene reptiles of South America Friasian Colloncuran Laventan Mayoan Chasicoan Huayquerian Neogene Argentina Neogene Brazil Neogene Colombia Neogene Peru Neogene Venezuela Fossils of Argentina Ituzaingó Formation Fossils of Brazil Fossils of Colombia Honda Group, Colombia Fossils of Peru Fossils of Venezuela Fossil taxa described in 1885