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Fig. 1 | BMC Evolutionary Biology

Fig. 1

From: Flightless birds are not neuroanatomical analogs of non-avian dinosaurs

Fig. 1

Time-calibrated phylogeny of taxa sampled in the study. Maximum clade credibility tree based on Jetz et al. [26] with a Hackett et al. [28] backbone. Non-avian dinosaurs and Archaeopteryx were incorporated into the phylogeny based on fossil occurrence data from Paleobiology Database ( Colors correspond to major clades and are consistent across figures. Red crosses next to taxonomic names indicate a flightless taxon

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