Biomechanical Consequences of Rapid Evolution in the Polar Bear Lineage
Figure 1
Time-calibrated ursid phylogeny used for assessing rates of cranial shape evolution.
Node numbers correspond to those used for evolutionary contrasts (see Table 1).
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Time-calibrated ursid phylogeny used for assessing rates of cranial shape evolution.
Node numbers correspond to those used for evolutionary contrasts (see Table 1).