
Introduction 8 Historical Perspective 8 Archives Concerning the Discovery Context of Tchiua Fossils 9 Provenience Issues 10 Toponomastics 10 Abbreviations 10 Material and Methods 11 Dental Nomenclature 11 Geological Context, Location and Age 12 Humpata Fossil Cercopithecidae 16 Descriptive Catalogue 20 Family Cercopithecidae Gray, 1821 20 Subfamily Colobinae Jerdon, 1867 20 Genus Kuseracolobus Frost, 2001 21 Species Kuseracolobus hafu Hlusko, 2006 21 Subfamily Cercopithecinae Gray, 1821 30 Genus cf Mandrillus Ritgen, 1824 32 Species cf Mandrillus sp. indet. 32 Genus Omopithecus Delson 1993 42 Species Omopithecus baringensis (Leakey, 1969) 42 Genus Theropithecus Geoffroy, 1843 64 Species Theropithecus oswaldi serengetensis (Dietrich, 1942) 64 Context and Age 66 Postcranial skeletal Material from Tchiua 67 Taphonomic Considerations 68 Conclusions 68 Acknowledgements 69 Funding 69 References 70