Figure 1: Skull and mandible of Cambaytherium thewissi.
From: Early Eocene fossils suggest that the mammalian order Perissodactyla originated in India

(a,b) Skull (GU 402) in lateral view and (c,d) mandible (GU 403) in dorsal (occlusal) view. c, right M1–2, enlarged. Key features include: 1, non-molariform premolars; 2, bunodont molars with large conules; 3, twinned molar metaconids; 4, fused symphysis. Scale bars, 1 cm.