Image: Allosaurus jimmadseni skull and diagram

Description: Lateral view of the skull of the referred specimen of Allosaurus jimmadseni (MOR 693). Photograph of the skull (A) in left lateral view and (B) explanatory line drawing. Photo by Mark Loewen. Scale bar equals 10 cm. Osteological abbreviations: a, articular; an, angular; aof, antorbital fossa; aofe, antorbital fenestra; bs, basisphenoid; cfp, cultriform process of the parasphenoid; CN V, trigeminal foramen; CN VII, facial nerve; d, dentary; ect, ectopterygoid; emf, external mandibular fenestra; ep, epipterygoid; f, frontal; j, jugal; l, lacrimal; lv, lacrimal vacuity; ltf, laterotemporal fenestra; m, maxilla; mf, maxillary fenestra; n, nasal; na, naris; nf, narial fossa (external naris); o, orbit; ot, otoccipital; p, parietal; pa, prearticular; pf, prefrontal; pl, palatine; pm, premaxilla; pnf, perinarial fossa; po, postorbital; pop, paroccipital process of the otocippital; pr, prootic; pt, pterygoid; q, quadrate; qj, quadratojugal; sa, surangular; scr, sclerotic ring; sf, surangular foramen; sq, squamosal.
Title: Allosaurus jimmadseni skull and diagram
Credit: https://peerj.com/articles/7803/
Author: Daniel J. Chure, Mark A. Loewen
Usage Terms: Creative Commons Attribution 4.0
License: CC BY 4.0
License Link: https://creativecommons.org/licenses/by/4.0
Attribution Required?: Yes