Figure 3.

Chronogram based on mtDNA tree. Bayesian ultrametric tree of Metacrangonyx longipes obtained using an uncorrelated log-normal relaxed clock assuming a coalescent model with constant population size. Dating of major clades was performed assuming a substitution rate fixed at 2.3% pair-wise divergence per million years.

BauzĂ -Ribot et al. BMC Evolutionary Biology 2011 11:221   doi:10.1186/1471-2148-11-221
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