孔子鸟目(鸟类：尾综骨类)的分类厘定

王敏, 邹晶梅, 周忠和

A taxonomical revision of the Confuciusornithiformes (Aves: Pygostylia)

WANG Min, Jingmai O’CONNOR, ZHOU Zhong-He

Fig. 9 Detail anatomy of Confuciusornis sanctus [= 'Jinzhouornis zhangjiyingia'], IVPP V 12352 A, B. pectoral girdle, sternum, and left forelimb; C, D. hindlimb showing the presence of an extensor retinaculum on distal tibiotarsus (arrow); A, C. photographs; B, D. line drawing. The arrow in A denotes the ridge on the cranial surface of the deltopectoral crest, as in C. sanctus. Scale bars = 10 mm