Fig. 42

Right mandibles in medial view (a, b) and dorsomedial view (c, d). Scale bars = 1 mm. a A. ornelasi UTA 6220. b E. nana SDNHM 17102. c G. infernalis TNHC 92262. d A. mixteca UTA 30324. a.pr.Co anterior medial process of the coronoid, ra.pr retroarticular process