Figure 43 in On the history, osteology, and systematic position of the Wealden (Hastings group) dinosaur Hypselospinus fittoni (Iguanodontia: Styracosterna)

Figure 43. Hypselospinus cf. fittoni. NHMUK R1831 (R1835). Sternal apparatus. A, external (ventral); B, internal (dorsal). Abbreviations: apr, apron area of sternal blade; con, condylar area for attachment of dorsal rib cartilage; co.s, coracoid suture; 'h', sternal handles; iso, intersternal ossification; k, midline keeled structure traversed by strands of bony tissue; lf, lateral fingers of ossified tissue; st, sternal bone. Scale bar = 10 cm.