de Bonis (1977). "Les primates hominoides du Vallésien de Macédoine (Grèce). Étude de la machoire inférieure". Geobios. 10 (6): 849-855. doi:10.1016/s0016-6995(77)80081-8.
Gulec (2007). "A new great ape from the lower Miocene of Turkey". Anthropological Science. 115 (2): 153-158. doi:10.1537/ase.070501.
Begun (2005). "Relations among great apes and humans: New interpretations based on the fossil great ape Dryopithecus". American Journal of Physical Anthropology. 37: 11-63. doi:10.1002/ajpa.1330370604.
de Bonis (2004). "Ouranopithecus and dating the splitting of extant hominoids". Comptes Rendus Palevol. 3 (4): 257-264. doi:10.1016/j.crpv.2004.04.002.
Koufos (2005). "The late Miocene Hominoids Ouranopithecus and Graeceopithecus. Implications about their relationships and taxonomy". Annales de Paléontologie. 91 (3): 227-240. doi:10.1016/j.annpal.2005.05.001.