Figure 4 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 4 - Controversial early heterodontosaurid specimen from southern Africa. Drawing of specimen NHMUK RU A100 as embedded in matrix in A top and B bottom views (from Thulborn 1970). Abbreviations: F frontal JL left jugal JR right jugal LTF left lateral temporal opening MDR right mandible MXL left maxilla MXR right maxilla N left nasal PMXR right premaxilla PO postorbital STF supratemporal fossa. Scale bar equals 5 cm.