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Figure 4 | BMC Biology

Figure 4

From: Phylogenomic analyses support the position of turtles as the sister group of birds and crocodiles (Archosauria)

Figure 4

Bayesian relaxed molecular clock time scale. Chronogram obtained from the analysis of the nucleotide dataset using the CAT-GTR + G mixture model. Numbers in circles at nodes refer to lines of Table 3, and squared boxes represent 95% credibility intervals. Numbers between brackets represent the six calibration constraints implemented as soft bounds. Absolute ages of the geological periods follow Gradstein and Hogg [91].

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