Fig. 34 in The Osteology Of Alioramus, A Gracile And Long-Snouted Tyrannosaurid (Dinosauria: Theropoda) From The Late Cretaceous Of Mongolia

Fig. 34. Left surangular of the holotype specimen of Alioramus altai (IGM 100/1844) in lateral (A) medial (B), and dorsal (C) views. Scale bar 5 5 cm. Abbreviations: addfos, adductor fossa; artrid, ridge on medial surface of retroarticular process to strengthen articulation with articular; ang, region of lateral surface of surangular overlapped by angular; art, articular contact surface; asf, anterior surangular foramen; dengr, groove for articulation with dentary; dennot, notch for articulation with dentary; denol, medial surface of surangular that overlaps dentary laterally; gl, glenoid; lss, lateral surangular shelf; mf, Meckelian fossa; mhp, medial hook process; ms, medial shelf; ngf, nonglenoid fossa on lateral surface of surangular below glenoid; ngr, neurovascular groove; pp, pneumatic pocket posterodorsal to surangular foramen; preart, groove for articulation with prearticular; rap, retroarticular process; rid, ridge separating articular facets for articular and prearticular on medial surface of retroarticular process; sdc, contact surface for supradentary/coronoid; sfor, surangular foramen; trifos, triangular fossa on lateral surface.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 83, DOI: 10.1206/770.1, http://zenodo.org/record/539926