Figure 2.
Sarahsaurus aurifontanalis, holotype (TMM43646-2). Three-dimensional reconstructions from HRXCT of the braincase (see http://www.digimorph.org/specimens/Sarahsaurus_aurifontanalis/) in (a) anterior, (b) left lateral, (c) posterior, (d) ventral and (e) dorsal views. bo, basioccipital; bot, basicranial tuber; bptp, basipterygoid process; bptw, wall between basipterygoid processes; ci, crista interfenestralis; fm, foramen magnum; icf, foramen for internal carotid artery; mhv, canal for middle cerebral vein; op, opisthotic-exoccipital; pifo, pituitary fossa; so, supraoccipital; V, trigeminal nerve foramen. Scale bar, 2 cm.