Table 3.

Divergence date estimates and 95% highest posterior densities for each node of the cladogram shown in Figure 3.

Node	Clade	Median Age in Ma	95%HPD
1	Callicebinae vs. Pitheciinae	16.34	17.3	15.3
2	Pithecia vs. Cacajao + Chiropotes	9.56	11.27	7.74
3	Cacajao vs. Chiropotes	5.87	7.82	3.95
4	C. albinasus vs. satanas clade	4.18	6.12	2.33
5	C. chiropotes + C. sagulatus vs. C. satanas + C. utahicki	2.65	4.65	1.18
6	C. satanas vs. C. utahicki	1.43	3.1	0.34
7	C. chiropotes vs. C. sagulatus	1.39	3.09	0.36
8	Cacajao calvus vs. Cacajao melanocephalus	1.34	1.87	0.02