Figure 2: Phylogeny of non-avian theropods used in this study.
From: Bony cranial ornamentation linked to rapid evolution of gigantic theropod dinosaurs
(a) Density map of Bayesian stochastic character probabilities of unornamented (blue) and ornamented (red) character states. (b) Body mass estimates for non-avian theropods used in this study. Green shading shows the distribution of pennaceous feathers among theropods.
