Figure 94 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 94 - Previous jaw muscle reconstructions in Heterodontosaurus tucki from the Lower Jurassic Upper Elliot and Clarens formations of South Africa A Initial adductor muscle reconstruction (from Crompton and Attridge 1986) B Reconstruction of the adductor mandibulae externus superficialis (left) and the depressor mandibulae (right) (adapted from figures in Norman et al. 2011) C Reconstruction of the adductor mandibulae externus medialis (adapted from figures in Norman et al. 2011) D Reconstruction of the adductor mandibulae externus profundus (left) (misidentified as "adductor mandibulae externus posterior" in legend for Fig. 35, Norman et al. 2011) and the adductor mandibulae posterior (right) (adapted from figures in Norman et al. 2011) E Reconstruction of the pseudotemporalis (left) and the pterygoideus posterior (right) (adapted from figures in Norman et al. 2011).