Table 2.

tMRCA Inferences from Primate mtDNA Alignments (in million years ago).

	tMRCA (95% HPD)a
Taxon	Chimpanzee-Plus Alignment	Bootstrapped-Chimpanzee Alignment	Chimpanzee-Only Alignment
Simiiformes	43.533 (34.093–52.838)	40.785 (31.159–50.501)	N/A
M. sylvanus–P. hamadryas	10.454 (8.217–12.705)	10.07 (7.837–12.407)	N/A
Catarrhini	23.966 (22.327–26.228)	23.867 (22.289–25.962)	N/A
Hominoidea	17.166 (15.745–18.661)	17.15 (15.706–18.766)	N/A
Hominidae	13.807 (13.197–14.534)	13.854 (13.186–14.537)	N/A
Pongo	3.867 (2.835–4.928)	3.805 (2.806–4.837)	N/A
Pan–Homo–Gorilla	8.062 (7.093–9.165)	8.189 (7.003–9.178)	N/A
G. gorilla–G. g. gorilla	0.142 (0.083–0.199)	0.145 (.081–0.208)	N/A
Pan–Homo	5.751 (5.234–6.351)	5.758 (5.216–6.367)	N/A
Pan	2.149 (1.684–2.657)	2.187 (1.621–2.663)	N/A
P. troglodytes	1.026 (0.811–1.263)	1.041 (0.770–1.288)	1.002 (0.734–1.269)
P. t. troglodytes–P. t. schweinfurthii	0.380 (0.296–0.476)	0.339 (0.164–0.456)	0.384 (0.235–0.536)
P. t. schweinfurthii	0.111 (0.077–0.146)	N/A	0.116 (0.066–0.171)
P. t. troglodytes	0.380 (0.296–0.476)	N/A	0.384 (0.235–0.536)
P. t. verus–P. t. ellioti	0.510 (0.387–0.650)	0.518 (0.340–0.679)	0.508 (0.301–0.715)
P. t. ellioti	0.157 (0.102–0.215)	N/A	0.157 (0.083–0.242)
P. t. verus	0.155 (0.101–0.213)	N/A	0.148 (0.076–0.223)

Note.—^a Values in bold were sampled from prior distributions used to calibrate the tMRCA estimates (see text for more information).