text-fig. 21. Posterior ends of the mandibles in dorsal view, illustrating different states for characters 73 and 74. a, Plateosaurus sp.; based on MB R. 1937. B, Ornitholestes hermannv, based on AMNH 619. c, same as B, stereophotographs. Abbreviations: mj, mandibular joint; rp, retroarticular process. Scale bars represent 10 mm. in The interrelationships and evolution of basal theropod dinosaurs

text-fig. 21. Posterior ends of the mandibles in dorsal view, illustrating different states for characters 73 and 74. a, Plateosaurus sp.; based on MB R. 1937. B, Ornitholestes hermannv, based on AMNH 619. c, same as B, stereophotographs. Abbreviations: mj, mandibular joint; rp, retroarticular process. Scale bars represent 10 mm.