Drawing of the right forelimb and pectoral girdle elements of the holotype skeleton (CMN 2120) of the tyrannosaurid theropod dinosaur "Gorgosaurus libratus" LAMBE 1914 from the Campanian (Upper Cretaceous) of Alberta (Canada). The length of the scapulocoracoid is 1 m. After Lambe (1917).Lawrence M. Lambe (1917): "The Cretaceous theropodous dinosaur" Gorgosaurus. Geological Survey of Canada, Memoir 100, 10.4095/101672 (fig. 31, p. 49)