Figure 49 from: Sereno P (2012) Taxonomy, morphology, masticatory function and phylogeny of heterodontosaurid dinosaurs. ZooKeys 226: 1-225. https://doi.org/10.3897/zookeys.226.2840

Figure 49 - Tooth structure, occlusion, and replacement in Heterodontosaurus tucki from the Lower Jurassic Elliot and Clarens Formations of South Africa. Successive horizontal computed-tomographic sections in cutaway view of a subadult skull (AMNH 24000). A Posterior portion of skull in right lateral view showing the location of horizontal cross-sections B Cross-section (anterior toward top of page) through the maxilla C Cross-section (anterior toward top of page) through occluding portions of maxillary tooth rows.Abbreviations: m8, 10, 11 maxillary tooth 8, 10, 11 pc pulp cavity q quadrate rm9, 11 replacement maxillary tooth 9, 11.