Fig. 3: Scatter plots of the principal component analysis (PCA) results (PC1 vs. PC2).
From: Jaw shape and mechanical advantage are indicative of diet in Mesozoic mammals

a Extant taxa, b extinct taxa. Convex hulls shown for extant insectivores (yellow), carnivores (red), omnivores (purple) and herbivores (blue). Icon colors indicate known dietary categories of extant mammals and suggested dietary categories for Mesozoic mammals (obtained from the literature). See Table 1 for taxon names.