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Figure 2: Macdonald, D. (ed.) (2001), The New Encyclopedia of Mammals, Oxford University Press;
Figure 2 A proposed evolutionary tree of the primates that reflects the majority opinion amongst taxonomists, with the two suborders Strepsirhini and Haplorhini. The names of the 13 present-day families are on the right. Colour differences reflect degree of divergence. All these dates are very, very approximate; for example, some primatologists now argue that primates originated as long as 90 million years ago, rather than the 60 million years ago implied here, which comes from direct reading of the fossil record