PARANASAL PNEUMATIZATION OF TWO LATE MIOCENE COLOBINES: MESOPITHECUS AND LIBYPITHECUS (CERCOPITHECIDAE: PRIMATES)

TODD C. RAE,*1" OLAV ROHRER-ERTL,2 CLAUS-PETER WALLNER,3 and THOMAS KOPPE,4 1Evolutionary Anthropology Research Group, Dept. of Anthropology, Durham University, 43 Old Elvet, Durham DH1 3HN, United Kingdom, t.c.rae@durham.ac.uk; 2Primatology Section, State Collection of Anthropology and Palaeoanatomy, c/oZoological State Collection, Muenchhausenstr. 21, D-81247 Munich, Germany, olav.roehrer-ertl@primatology.de; 3Dr. von Hauner's Children Hospital, Radiology, Lindwurmstr. 4, D-80337 Munich, Germany, cwallner@med.uni-muenchen.de; 4Institute of Anatomy, Ernst-Moritz-Arndt University Greifswald, Friedrich Loeffler Str. 23c, D-17487 Greifswald, Germany, thokoppe@uni-greifswald.de