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The degree of resolution seen in the tree generated through this analysis (Fig. 2.26) provides a topology that is available for morpho-phylogenetic interpretation within this taxonomic subset of the ornithopod lineage, and forms a framework that highlights the anatomical acquisitions that resulted in the attainment of true hadosaurian morphology (represented by the clade Euhadrosauria [sensu Weishampel et al., 1993]).

2.25. (Left) Adams consensus tree based upon 12 MPTs generated using characters coded as unordered; (right) The 50% majority rule tree resulting from analysis of the same 12 MPTs.