Figure 42 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 42 - Posterior dentition of Heterodontosaurus tucki from the Lower Jurassic Upper Elliot and Clarens formations of South Africa. Tooth wear and replacement in posterior maxillary and dentary teeth in a juvenile skull (AMNH 24000). Stereopair (A) and line drawing (B) in left lateral view. Hatching indicates broken bone; grey tone indicates matrix; pink tone indicates wear facets. Scale bars equal 5 mm in A and B. Abbreviations: d dentary d8-10 dentary tooth 8–10 m maxilla m10, 11 maxillary tooth 10, 11 pc pulp cavity pri primary ridge ri ridge wf wear facet.