FIGURE 6 in Identifying tooth position of isolated teeth of sparassodonts (Mammalia: Metatheria) using geometric morphometrics

FIGURE 6. Inter-locus variation in the M1-3 of Sparassodonta as shown by the Procrustes-transformed coordinates of the geometric morphometric analysis. (A) Superimposed differences between tooth loci in the Procrustes-transformed coordinates of the average shape of M1 (large gray circles) and M3 (small black circles). The other three images show deformation grids from the average shape of all 114 examined specimens relative to the average shape of (B) M1, (C) M2, and (D) M3. Differences between loci are magnified by a factor of 3 to better illustrate patterns of variation.