Additional file 3.

Bayesian tree used for divergence time estimates and the divergence time for each major clades. Phylogenetic analyses are rooted with Oryctolagus cuniculus. The best substitute model GTR+I+G was used for Bayesian inference. The numbers above the branches are the Bayesian posterior probabilities (PP).

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Liu et al. BMC Evolutionary Biology 2011 11:223   doi:10.1186/1471-2148-11-223