现生鸟类和孔子鸟(Confuciusornis)叉骨软骨的研究：初步分析以及对中生代鸟类飞行方式的启示

吴倩, 邹晶梅, 李志恒, 艾莉达

Cartilage on the furculae of living birds and the extinct bird Confuciusornis: a preliminary analysis and implications for flight style inferences in Mesozoic birds

WU Qian, Jingmai K. O’CONNOR, LI Zhi-Heng, Alida M. BAILLEUL

Fig. 3 Morphology and histology of the scapulocoracoid of Confuciusornis (IVPP V 11521) A. photograph of the fused scapulocoracoid showing the coracoid on one side (CO), the scapula (SCA) on the other side, and the glenoid fossa (gf) for the articulation of the humerus in between; B. a ground-section (cross section) through the glenoid fossa and on the opposite side, remnants of calcified fibrocartilage (CFC) can be seen with some sediment (sed) in a concave area; C-E. close-ups on the fibrocartilage, a few chondrocyte lacunae can be seen as well (blue arrows)