Figure 17 in On the history, osteology, and systematic position of the Wealden (Hastings group) dinosaur Hypselospinus fittoni (Iguanodontia: Styracosterna)

Figure 17. Hypselospinus cf. fittoni (Iguanodon hollingtoniensis holotype). NHMUK R1148. (R1629). Ischium proximal portion (left). A, A1, lateral view; B, B1, medial view. Abbreviations: m.sc, muscle scars on lateral surface of shaft; obt, broken base of the obturator process; ri, prominent curved ridge that extends from the base of the obturator process to the posterior margin of the shaft distally. Hatching indicates broken and/or filled surfaces. Scale bar = 10 cm.