Books:
Phylogenetic Trees Made Easy: A How-To Manual, Fifth Edition
Other Resources:
A Protocol for Diagnosing the Effect of Calibration Priors on Posterior Time Estimates: A Case Study for the Cambrian Explosion of Animal Phyla
Reliable Confidence Intervals for RelTime Estimates of Evolutionary Divergence Times
A new method for inferring timetrees from temporally sampled molecular sequences
A machine learning method for detecting autocorrelation of evolutionary rates in large phylogenies
Theoretical foundation of the RelTime method for estimating divergence times from variable evolutionary rates