Fig. 2.

Holotypic braincase of T. euotica (ZIN PH 1146/16). (A) Posterior view. (B) Anteroventral view. (C) Right lateral view. (D) CT reconstruction in posterior view. (E) CT reconstruction of endocast, ear, nerves, and vessels in posterior view. (F) CT reconstruction of endocast in right lateral view. (G) CT reconstruction in right lateral view. Abbreviations are as follows: ac, antotic crest; asc, anterior semicircular canal; bsr, basisphenoid recess; bt, basal tubera; cc, common crus; cd, cochlear duct; ct, crista tuberalis; fl, flocculus; fm, foramen magnum; lsc, lateral semicircular canal; mdp, median dural peak; oc, occipital condyle; or, otic recess; otc, otosphenoidal crest; pcp, paracondylar pocket; pmcv, posterior middle cerebral vein; psc, posterior semicircular canal; ptr, posterior tympanic recess; sor, supraoccipital ridge; sovp, supraoccipital ventral process; ts, transverse sinus; vf, vagal foramen. Roman numerals designate cranial nerves.