New Information on the Cranial Anatomy of Acrocanthosaurus atokensis and Its Implications for the Phylogeny of Allosauroidea (Dinosauria: Theropoda)
Figure 28
Left dentary of Acrocanthosaurus atokensis (NCSM 14345).
Dentary in (A) lateral and (B) medial views. Dashed lines represent material not in figure. a, angular contact; abr, articular brace of the dentary; emf, external mandibular fenestra; fan, foramina of the inferior alveolar nerve; lsd, lateral sulcus of the dentary; mg, Meckelian groove; ms, medial symphysis; nvf, neurovascular foramina; SA, surangular; sa, surangular contact; SPD, supradentary; spl, splenial contact.