A, medial view; B, right lateral view. Lower jaw has been removed to better reveal palate and cheek elements. Hashed line indicates presumed ventral border of the squamosal. Scale bar equals 1mm. Abbreviations: ect, ectopterygoid; fro, frontal; jug, jugal; lac, lacrimal; mab, ‘median anterior braincase bone’; max, maxilla; n, nasal; occ, occipital complex; opi, opisthotic; pal, palatine; par, parietal; pls, pleurosphenoid; po, postorbital; pof, postfrontal; pp, postparietal; ppo, palpebral ossification; prf, prefrontal; prm, premaxilla; pro, prootic; ps, parasphenoid; pte, pterygoid; q, quadrate; se, sphenethmoid; sm, septomaxilla; so, supraoccipital; sq, squamosal; sta, stapes; tab, tabular; v, vomer.