selected publications academic article An Early Cretaceous Sphenophyllum or a hatchling turtle? 2023-12-7 The Miocene La Venta Biome (Colombia) 2023-1-1 Giant Boine snake from a Paleocene Neotropical rainforest indicates hotter past equatorial temperatures 2009-2-5 comment Head et al. reply. E4-E5. 2009-7-30