Figure 15 in On the history, osteology, and systematic position of the Wealden (Hastings group) dinosaur Hypselospinus fittoni (Iguanodontia: Styracosterna)

Figure 15. Hypselospinus cf. fittoni (Iguanodon hollingtoniensis holotype). NHMUK R1148 (R1629). Pollex (right). A, medial; B, lateral view; C−F, interpretative sketches of the original specimen in medial, posterior, anterior, and lateral views. Abbreviation: c.gr, claw groove running along the posterior edge (a less well-defined and irregular groove may be present on the anterior edge). Hatching indicates broken bone. Scale bar = 10 cm.