Table 3. Estimates of median rates of evolution.

Three estimates of the age of the crown group of plethodontids were used [71]. 95% confidence intervals are in parentheses. For clarity, all values are multiplied by 100, and thus are the estimated percentage change per million years.

	50 Myr	66 Myr	85 Myr
Cyt-b	0.659	0.623	0.496
	(0.444, 0.912)	(0.424, 0.868)	(0.337, 0.696)
ND2	0.889	0.844	0.665
	(0.629, 1.167)	(0.611, 1.088)	(0.483, 0.862)
tRNAs	0.149	0.127	0.099
	(0.016, 0.358)	(0.010, 0.324)	(0.007, 0.270)
MLC2A	0.083	0.074	0.061
	(0.012, 0.213)	(0.009, 0.195)	(0.007, 0.157)
GAPD	0.077	0.072	0.058
	(0.023, 0.164)	(0.023, 0.153)	(0.017, 0.126)
RAG-1	0.029	0.026	0.023
	(0.011, 0.051)	(0.011, 0.046)	(0.009, 0.037)
ILF3	0.102	0.074	0.043
	(0.022, 0.225)	(0.012, 0.173)	(0.005, 0.117)
BFI	——	0.036	——
		(0.006, 0.081)