New Information on the Cranial Anatomy of Acrocanthosaurus atokensis and Its Implications for the Phylogeny of Allosauroidea (Dinosauria: Theropoda)
Figure 19
Palatal complex of Acrocanthosaurus atokensis (NCSM 14345) in dorsal view.
bs, basisphenoid contact; ECT, ectopterygoid; EPI, epipterygoid; j, jugal contact; in, internal naris; iptv; interpterygoid vacuity; m, maxillary contact; PA, palatine; papr, palatine pneumatic recess; pm, premaxillary contact; PT, pterygoid; ptm, pterygoid medial process; ppp; pterygoid process of palatine; q, quadrate contact; stf, subtemporal fenestra; V, vomer; vpar, vomeropalatine ramus of the pterygoid.