FIGURE 2 in The cranial anatomy of Tenontosaurus tilletti Ostrom, 1970 (Dinosauria, Ornithopoda)

FIGURE 2. Left lateral skull schematic (above) and left skull photograph (below) of OMNH 58340. The skull is angled at the 'alert position' indicated by the horizontal semicircular canal. Natural fenestrae are shaded gray. Dashed outline denotes conjectural sclerotic ring. Anterior is to the left. Abbreviation: mf - maxillary foramen.