Two ilia (an ilium is an upper pelvic bone) of two Late Jurassic theropod dinosaurs — Stokesosaurus (upper) and Marshosaurus — from the Morrison Formation of Utah, casts from DINOLAB, Salt Lake City.
Souvenir postcards of the Morrison Formation at Dinosaur National Monument, at the Utah-Colorado border.
Stokesosaurus cleavelandi ilium, cast (below).
Marshosaurus robustus ilium, cast (below).
