valleys are marked in blue. FLUVIAL VALLEYS ON TITAN – A GLOBAL PERSPECTIVE. M. Langhans, R. Jaumann, K. Stephan, R. H. Brown, B. J. Buratti, R. Clark, K. H. Baines, P. D. Nicholson and R. D. Lorenz. DLR, Institute of Planetary Research, Berlin, Germany, Dept. of Earth Sciences, Inst. of Geosciences, Freie Universität Berlin, Germany, Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ, 85721 USA, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109, USA, U.S. Geological Survey, Denver, CO, 80225 USA, Cornell University, Astronomy Department, Ithaca, NY, USA, Space Department, Johns Hopkins University Applied Physics Lab, Maryland 20723-6099, USA (mirjam.langhans@dlr.de).