FIGURE 6. Hierarchical cluster analysis of the upper molars M2 and M1. ant=C. antiquitatis, bic=D. bicornis, hem=S. hemitoechus, hun=S. hundsheimensis, kir=S. kirchbergensis, sim=C. simum, son=R. sondaicus, sum=D. sumatrensis, uni=R. unicornis.