Fig. 38. Right prearticular of the holotype specimen of Alioramus altai (IGM 100/1844) in lateral (A) and medial (B) views. Scale bar 5 5 cm. Abbreviations: anggr, groove for articulation with angular; apr, anterior process; artcup, concave cup for articulation with articular; cl, convex lobe; fl, flange delimiting dorsal border of groove for angular; gr, groove continuing posteriorly from articular cup; ip, inflection point; mf, Meckelian fossa; nam, nonarticular margin; not, notch; ppr, posterior process; rid, ridge bisecting groove for angular; sdc, contact surface for supradentary/coronoid; spl, contact surface for splenial; surd, dorsally positioned contact region for surangular; surv, ventrally positioned contact region for surangular.

Published as part of Brusatte, Stephen L., Carr, Thomas D. & Norell, Mark A., 2012, The Osteology Of Alioramus, A Gracile And Long-Snouted Tyrannosaurid (Dinosauria: Theropoda) From The Late Cretaceous Of Mongolia, pp. 1-197 in Bulletin of the American Museum of Natural History 2012 (366) on page 90, DOI: 10.1206/770.1, http://zenodo.org/record/5399269