Fig. 82. Character changes associated with avialan shoulder girdle evolution. A in A Review Of Dromaeosaurid Systematics And Paravian Phylogeny

Fig. 82. Character changes associated with avialan shoulder girdle evolution. A, right coracoid of Deinonychus antirrhopus (YPM 5236; top) and Sinovenator changii (IVPP 12583; bottom); B, Sapeornis chaoyangensis (IVPP V13396) in ventral view; C, Jeholornis prima (IVPP V13274) in ventral view; D, Jixiangornis orientalis (CAGS uncataloged) in dorsal view.