FIGURE 6. Comparison between Eigenshape and semilandmark (Procrustes) analysis. For each of the four species a scatterplot shows the relationship between the morphometric distance between pairs of teeth calculated using Eigenshape (y-axis) and Procrustes superimposition of semilandmarks (x-axis). R² is the proportion of variance in Procrustes distance that is explained by Eigenshape distance.