Figure 90 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 90 - Snout and upper dentition in Heterodontosaurus tucki. Cast of snout and upper dentition (UCRC PVC11) from an early mold of adult skull SAM-PK-K1332 A Cast of snout and upper dentition in left lateral view B Stereopair of anterior portion of the left antorbital fossa in posterolateral view. Scale bar equals 2 cm in A and 1 cm in B. Abbreviations: aantfe accessory antorbital fenestra eantfe external antorbital fenestra iantfe internal antorbital fenestra j jugal l lacrimal or left m maxilla m2, 10, maxillary tooth 2, 10 n nasal nf narial fossa pm premaxilla pm2, 3 premaxillary tooth 2, 3 pmfo promaxillary fossa r right.