Fig. 2 in Gomphos elkema (Glires, Mammalia) from the Erlian Basin: Evidence for the Early Tertiary Bumbanian Land Mammal Age in Nei-Mongol, China

Fig. 2. Lower jaw fragments of Gomphos elkema. A. lateral view of the anterior portion of right mandible (IVPP V13509.8); arrow indicates alveolus of the second lower incisor. B. Medial view of left partial mandible, showing the fenestrae on the ventral portion of the bone (V13509.2). C. Medial view of partial right mandible, with arrow pointing to the posterior end of the lower incisor (V13509.7). D. Lateral view of partial left mandible, with arrow pointing to the anterior edge of the masseteric fossa (V13509.2). Panels A, B, and D, are at the same scale.