FIGURE 19. Chinlechelys tenertesta, NMMNH P-16697-4 in Chinlechelys from the Upper Triassic of New Mexico, USA, and the origin of turtles

FIGURE 19. Chinlechelys tenertesta, NMMNH P-16697-4, mesoplastra in 1, external view; 2, external view line drawing; 3, internal view; 4, dorsal side of carapace fragment; and 5, plastron fragment. Short dashes indicate sutures and longer dashes indicate sulci and raised surface structures.