Figure 63 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 63 - Presacral vertebrae of Heterodontosaurus tucki from the Lower Jurassic Upper Elliot and Clarens formations of South Africa. Cervical and anterior dorsal vertebrae and ribs of an adult skeleton (SAM-PK-K1332). Stereopairs of C1-3 (A), C4-6 (B), and C7-D4 (C) in left lateral view. Scale bars equal 2 cm in A and B, 3 cm in C.