Fig. 4. Ornithischian dinosaur Stenopelix valdensis Meyer, 1857 in The phylogenetic position of the ornithischian dinosaur Stenopelix valdensis from the Lower Cretaceous of Germany and the early fossil record of Pachycephalosauria

Fig. 4. Ornithischian dinosaur Stenopelix valdensis Meyer, 1857, holotype (GZG 741/2, formerly GPI Gö 741−2), from the Obernkirchen Sandstone (Early Cretaceous: Berriasian), near Bückeburg, Niedersachsen, Germany. Latex cast of ischia (small slab, both ischia are exposed in lateral view, anterior is to the right). Note the pronounced bend along the dorsal edge of the bone (arrows). Sacral and caudal centra between the ischia are exposed in ventral view.