New Information on the Cranial Anatomy of Acrocanthosaurus atokensis and Its Implications for the Phylogeny of Allosauroidea (Dinosauria: Theropoda)
Figure 6
Left jugal of Acrocanthosaurus atokensis (NCSM 14345).
Jugal in (A) lateral and (B) medial views. Dashed lines represent material not in figure. aof, antorbital fenestra; dqjp, dorsal quadratojugal prong; l, lacrimal contact; ljf, lateral jugal foramen; ltf, lateral temporal fenestra; M, maxilla; mjf, medial jugal foramen; o, orbit; po, postorbital contact; pop, postorbital process of jugal; qj, quadratojugal contact; sap, small accessory prong; vqjp, ventral quadratojugal prong.