Fig. 4From: Paleozoic diversification of terrestrial chitin-degrading bacterial lineagesPosterior chitinase date distribution across nodes with varied calibration. Illustrates the posterior age distributions across nodes under the four calibration setups, 1 (red), 2 (blue), 3 (green) and 4 (purple). These correspond to Models 5, 6, 7, and 8Back to article page