Biogeographic Crossroads (IMAGE) University of Kansas Caption This is Anatolia in the middle Eocene, at the biogeographic crossroads between Africa, Europe and Asia. Possible pathways for mammalian dispersal are shown in red. Credit KU News Service | University of Kansas Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.