Figure 5. Occlusal views of upper dentitions of Gobiolagus tolmachovi from the late middle Eocene Shara Murun Formation, Ula Usu, Shara Murun Region of Inner Mongolia. 1-3. Left P3-M1 (AMNH 141283), right P3-4 (AMNH 141281), and right P3-M2 (AMNH 141277). Images taken from gray-toned casts.