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. 2015 Jul 3;6:7580. doi: 10.1038/ncomms8580

Figure 6. Comparison of sulcal patterns in primates.

Figure 6

Superior views of strepsirrhines (Eulemur, Otolemur and Loris), Tarsius, and platyrrhines (Callithrix, Saimiri, Alouatta, Ateles and Cebus) compared with the cercopithecoid Macaca. Among extant primates, only Cebus converges on the cercopithecoid sulcal pattern. Brain images provided by K. Zilles except for Cebus and Macaca which are from the Primate Brain Bank, Netherlands Institute for Neuroscience, the Netherlands.