FIGURE 17. Chinlechelys tenertesta, NMMNH P-16697-9 in Chinlechelys from the Upper Triassic of New Mexico, USA, and the origin of turtles

FIGURE 17. Chinlechelys tenertesta, NMMNH P-16697-9: Peripherals and supraperipherals in 1, lateral; 2, dorsal; and 4, ventral views. 3, dorsal line drawing; and 5, ventral line drawing. The ossifications labeled 1, 4, 5, 7, 8, 9, 10, and 11 forma a continuous line we consider equivalent to peripherals. The ossifications labeled as 2, 3, 6, and 7 are additional ossifications distal to these which we term supraperipherals.