Figure 2 in The Lower Jurassic ornithischian dinosaur Heterodontosaurus tucki Crompton & Charig, 1962: cranial anatomy, functional morphology, taxonomy, and relationships

Figure 2. Heterodontosaurus tucki Crompton & Charig, 1962. SAM-PK-K337 (holotype). A, left lateral view drawn from slightly ventrolateral perspective. B, annotated outline drawing of the same (even grey tone represents matrix and/or plaster infill). See also Appendix 3. Abbreviations: af, internal mandibular adductor fossa; An, angular; Ar, articular; aof, antorbital fossa; Bo, basioccipital; Bs, basisphenoid; bsf, basisphenoid flange; bst, basisphenoid tuber; Co, coronoid; D, dentary; fm, foramen magnum (internal wall of right side) imf, internal mandibular fenestra; lbpt, left basipterygoid process; Ls, laterosphenoid; Mx, maxilla; N, nasal; nf, narial fossa; Os, orbitosphenoid; ovc, occipital vascular canal; Pa, parietal; Part, prearticular; Pd, predentary; pocc, paroccipital; Pro/Op, proötic-opisthotic; Prs –?presphenoid; Psp, parasphenoid; Pt, pterygoid (right); ptf, pterygoid flange; ptmr, pterygoid medial ridge; Q, quadrate; qf, quadrate (paraquadratic) foramen; Qj, quadratojugal; qpt, quadrate wing of the pterygoid; rbpta, right basipterygoid articular facet; S, supraoccipital; Sp, splenial; Sq, squamosal (broken fragment); V, trigeminal fossa (cranial nerve 5).