Figure 18 in The skull of the Upper Cretaceous snake Dinilysia patagonica Smith-Woodward, 1901, and its phylogenetic position revisited

Figure 18. Braincase of Dinilysia patagonica (MACN-RN 1014). A, right lateral view; B, posterior view; C, left lateral view. Three-dimensional cutaway view along the frontal axis, based on high resolution X-ray computed tomography data (slice 502), showing the otic region and elements of the crista circumfenestralis preserved in the right side and eroded in the left side of the specimen. Dashed lines indicate damaged zones, and black arrows indicate eroded regions of the crista prootica. Not to scale. Abbreviations: alr, apertura lateralis recessus scalae tympani; apr, accessory process; bo, basioccipital; cin, crista interfenestralis; cpr, crista prootica; ctu, crista tuberalis; ot, otooccipital; rsc, recessus scalae tympani; rst, recessus scalae tympani; s, stapes.