| Endocast prepared by C. Matley from the lectotypic braincase in right lateral (A) and ventral (B) views. Positions of brain regions are approximate and based on Witmer et al. (2008). Dotted lines indicate position of cranial nerves. Abbreviations (facing page): bo, basioccipital; bs, basisphenoid; bt, basal tubera; cr an, crista antotica; cr pr, crista prootica; eo-op, exoccipital-opisthotic; f, frontal; fm, foramen magnum; fo, fossa; gr, groove; hyp fo, hypophyseal fossa; ica, internal carotid artery; ls, laterosphenoid; mf, metotic foramen; os, orbitosphenoid; p, parietal; pro, prootic; so, supraoccipital; so cr, supraoccipital crest; stf, supratemporal fenestra; II
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XII, cranial nerve openings; cb, cerebellum; ce, cerebrum; de, dural expansion; me, medulla; op, optic lobe; sc, spinal cord; sul ls, sulcus for laterosphenoid pillar. Scale equals 2 cm. |
