FIGURE 39 in The cranial anatomy of Tenontosaurus tilletti Ostrom, 1970 (Dinosauria, Ornithopoda)

FIGURE 39. Dorsal view of the virtual braincase of OMNH 58340 with the parietal removed, showing the composition of the floor of the braincase. The straight posterior edge of the opisthotic, as well as the straight anterior edge of the basisphenoid and lateral edge of the laterosphenoid, are artifacts of the CT scanning and represent the limits of the data set. Anterior is down. Abbreviations: ap - area of articulation with parietal; i - infundibular canal; pp - posterior process of the orbitosphenoid.