FIGURE 43 in The cranial anatomy of Tenontosaurus tilletti Ostrom, 1970 (Dinosauria, Ornithopoda)

FIGURE 43. Photograph of the parasphenoid and basisphenoid complex and the anterior braincase of OMNH 58340. The parasphenoid extends forward (right) from the body of the basisphenoid and, at this angle, disappears behind the displaced right posterior process of the vomer. The trench running along the dorsal surface of the parasphenoid is visible (indicated by arrows). The ventral outline of the preotic pendant is indicated by the dashed line. Anterior is to the right and out of the page. Abbreviations: ct - possible crista trabecularis; pp - preotic pendant.