text-fig. 39. Theropod pelves in left lateral view, illustrating several pelvic characters, a, Herrerasaurus ischigualastensis; redrawn (reversed) from Novas (1993). B, Syntarsus rhodesiensis; based on QG 1, QG 691, and Raath (1990). c, Allosaurus fragilis; modified from Molnar et al. (1990). D, generalized tyrannosaurid; based on Osborn (1916) and ROM 807. E, Segnosaurus galbinensis', redrawn from Barsbold and Maryanska (1990). F, Rahonavis ostromi', based on UA 8656. Abbreviations: ac, acetabulum; bs, brevis shelf; il, ilium; ir, iliac ridge; is, ischium; of, obturator foramen; op, obturator process; pf, pubic fenestra; pip, posterior ischial process; pu, pubis. Scale bars represent 50 mm (a-b), 100 mm (c-e), and 10 mm (f). in The interrelationships and evolution of basal theropod dinosaurs

text-fig. 39. Theropod pelves in left lateral view, illustrating several pelvic characters, a, Herrerasaurus ischigualastensis; redrawn (reversed) from Novas (1993). B, Syntarsus rhodesiensis; based on QG 1, QG 691, and Raath (1990). c, Allosaurus fragilis; modified from Molnar et al. (1990). D, generalized tyrannosaurid; based on Osborn (1916) and ROM 807. E, Segnosaurus galbinensis', redrawn from Barsbold and Maryanska (1990). F, Rahonavis ostromi', based on UA 8656. Abbreviations: ac, acetabulum; bs, brevis shelf; il, ilium; ir, iliac ridge; is, ischium; of, obturator foramen; op, obturator process; pf, pubic fenestra; pip, posterior ischial process; pu, pubis. Scale bars represent 50 mm (a-b), 100 mm (c-e), and 10 mm (f).