The tooth of Ostrafrikasaurus as seen from the front (A), tongue side (B), back (c) and cheek side (d). From Buffetaut, 2011.
Ostafrikasaurus crassiserratus
Buffetaut, 2012
Buffetaut, E. 2012. "An early spinosaurid dinosaur from the Late Jurassic of Tendaguru (Tanzania) and the evolution of the spinosaurid dentition". Oryctos 10: 1-8.