Extended Data Fig. 3: Further details of cranial anatomy of T. alcoberi on the basis of segmented micro-computed tomography scan data.
From: A Triassic stem lepidosaur illuminates the origin of lizard-like reptiles
a, b, Segmented palate in right lateral and left dorsolateral views. c, Segmented right posterior half of the braincase with stapes in red in lateral view. d, Segmented left posterior half of the braincase in lateral view. e, f, Segmented anterior region of the braincase in left lateral and anterior views. ap, ascending process; bc, braincase; bp, basipterygoid process; CN, cranial nerve; cp, cultriform process; cr, raised crest formed by the pterygoids meeting medially; clp, clinoid process; crp, crista prootica; ds, dorsum sella; ec, ectopterygoid; ep, epipterygoid; fo, fenestra ovalis; hf, hypophyseal fossa; lf, lateral flange; oc, otic conch; os, orbitosphenoid; pa, palatine; pp, paroccipital process; qw, quadrate wing; rc, recess; st, stapes. Roman numerals indicate corresponding cranial nerves. Scale bars, 3.5 mm (a, b), 1.5 mm (c–f).
