Fig. 1From: Preface: La Guajira, Colombia: a new window into the Cenozoic neotropical biodiversity and the Great American Biotic InterchangeLandscape and fossils from Cocinetas Basin, La Guajira Peninsula: a paleontologists returning from one day of fieldwork in Cocinetas Basin; b collecting fossil mollusks in the Castilletes Formation; c, d gavial rostrum and astrapothere inferior jaw from Castilletes Formation; e typical outcrop of the Neogene sequence in the Cocinetas Basin showing Macuira Range in the background. Photographs taken by Christian ZieglerBack to article page