临夏盆地晚中新世鸵鸟化石的特异保存
李志恒, 艾莉达, Thomas A. STIDHAM, 王敏, 邓涛

Exceptional preservation of an extinct ostrich from the Late Miocene Linxia Basin of China
LI Zhi-Heng, Alida M. BAILLEUL, Thomas A. STIDHAM, WANG Min, DENG Tao
Fig. 1 Photographs of the fossil block (IVPP V 25336) from the Liushu Formation in Linxia Basin
A. the block contains an assemblage of two species, with Struthio sp. (ostrich) cervical bones on the left side and a partial right maxilla of Hipparion platyodus on the right; B. close-up on the ostrich cervical vertebrae with a red arrow indicating the location of the fragment extracted; C. close-up of the ostrich tracheal rings, with a blue arrow showing where the fragment was extracted
Abbreviations: Cerv. cervical vertebra; Ma. maxilla; To. tooth; Trach. tracheal rings