Figure 64 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 64 - Pectoral girdle and forelimb of Heterodontosaurus tucki from the Lower Jurassic Upper Elliot and Clarens formations of South Africa. Pectoral girdle and forelimb of an adult skeleton (SAM-PK-K1332). Photograph (A) and line drawing (B) of the sternal plates and left forelimb in dorsal and medial view, respectively. Hatching indicates broken bone; dashed lines indicate estimated edges; tone indicates matrix. Scale bar equals 3 cm. Abbreviations: I, II digit I, II ar articular surface for a sternal rib C9 cervical 9 dc2 distal carpal 2 dpc deltopectoral crest fen fenestra h humerus hd head l left mc1, 2 metacarpal 1, 2 ph phalanx r rib or right ra radius rae radiale stp sternal plate ul ulna ule ulnare un ungual.