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Table 1 Penalised likelihood estimates of root node and internal node using our Bayesian consensus phylogram.

From: Host-driven diversification of gall-inducing Acacia thrips and the aridification of Australia

Calibration Points (myr)

Smoothing value

Root age

Internal age

Root: 25

14.454

25.00

8.97

Root: 15

15.849

15.00

5.31

Root: 10–15

13.183

10.01

3.61

Internal: 5

69.183

13.66

5.00

Internal: 2–5

6.918

9.31

3.38

  1. The internal node corresponds to the most recent common ancestor of the K. rugosus species complex. Ages are in units of millions of years (myr). Rate smoothing values were calculated using a cross validation method implemented in Sanderson's r8s program [83].