峨眉龙属(恐龙：蜥脚类)在重庆云阳中侏罗统沙溪庙组的发现

谭超, 代辉, 贺建军, 张锋, 胡旭峰, 余海东, 李宁, 魏光飚, 彭光照, 叶勇, 张茜楠, 任鑫鑫, 尤海鲁

Discovery of Omeisaurus (Dinosauria: Sauropoda) in the Middle Jurassic Shaximiao Formation of Yunyang, Chongqing, China

TAN Chao, DAI Hui, HE Jian-Jun, ZHANG Feng, HU Xu-Feng, YU Hai-Dong, LI Ning, WEI Guang-Biao, PENG Guang-Zhao, YE Yong, ZHANG Qian-Nan, REN Xin-Xin, YOU Hai-Lu

Fig. 2 The middle cervical vertebra of Omeisaurus sp. (17YP3304-S66) Anterior views (A, B) of the broken main part of the cervical, and B (sketch) shows the internal camerate structure with large cavities bounded by thin bony septa. Anterior (C) and posterior (D) views of the cervical Abbreviations: CPOL. centropostzygapophyseal lamina; CPRL. centroprezygapophyseal lamina; TPOL. intrapostzygapophyseal lamina; TPRL. intraprezygapophyseal lamina