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. 2017 Apr 6;12(4):e0175253. doi: 10.1371/journal.pone.0175253

Fig 21. Time-calibrated cladogram of Hadrosaurinae derived from the strict consensus tree shown in Fig 20, with probability estimation of ancestral continental regions for all nodes of the taxon.

Fig 21

Blue stars indicate hadrosaurine species recovered from Appalachia, eastern North America.