Appendix 4—figure 1. Anterior dorsal centrum referable to Spinosaurus sp. (from Brusatte and Sereno, 2007: Fig. 9).

Photographs and line drawings of MNBH IGU11 from the Echkar Formation (Cenomanian) of Niger in ventral (A) dorsal (B), right lateral (C), and posterior (D) views. Cross-hatching indicates broken bone. ana, articular surface for the neural arch; hy, hypapophysis; k, ventral keel; nc, neural canal; pa, parapophysis; pc, pleurocoel. Scale bar, 5 cm.