Figure 1. Map of Chilga and surrounding area modified from Kappelman et al. (2003). (a) Map of Afro-Arabia with Chilga (C; red), and Paleogene vertebrate and paleobotanical localities marked P (green) and V (blue) respectively. (b) Location of Chilga in Ethiopia. (c) Detailed map of the Chilga area showing the fossil localities, geological section (see Figure 2) and dated rock samples along the Guang and Hauga rivers.