Figure 75 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 75 - Upper jaw of the heterodontosaurid Lycorhinus angustidens from the Lower Jurassic Upper Elliot Formation of South Africa. Premaxilla and maxilla of an adult individual with worn teeth (NHMUK RU A100). Right premaxilla and maxilla in medial and lateral views, respectively. Hatching indicates broken bone; dashed lines indicate estimated edges; grey tone indicates matrix; pink tone indicates wear facets. Scale bar equals 2 cm. Abbreviations: adi arched diastema aj articular surface for the jugal al articular surface for the lacrimal am14 alveolus for maxillary tooth 14 amap articular surface for the maxillary anterior process antfo antorbital fossa apm articular surface for the opposing premaxilla arm ascending ramus of the maxilla be buccal emargination d2 dentary tooth 2 en external nares fo foramen fos fossa lewf leading edge of the wear facet m maxilla m1, 8 maxillary tooth 1, 8 pm premaxilla pm1, 3 premaxilla tooth 1, 3 pr process r right wfpd wear facet from predentary bill.