Figure 1.

Timetree of mantellid frogs. Time-calibrated Bayesian phylogeny obtained with Pathd8 for 257 mantellid species. Circles indicate primary (light red) and secondary (dark red) calibration points. Light and dark bars delimit genera. Purple bar shows estimated age of clades in Ma.

Wollenberg et al. BMC Evolutionary Biology 2011 11:217   doi:10.1186/1471-2148-11-217
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