FIGURE 4. Upper dentition of Swaindelphys encinensis sp. nov. NMMNH P-59023, right M1 in occlusal view (1, stereopair); 57344, left M2 in occlusal view (2, stereopair); 21594 (holotype), partial maxilla with left M3 in occlusal (3; stereopair) and mesio-oblique (4) views; 54129, left M4 occlusal view (5, stereopair).