内蒙古乌兰塔塔尔地区早渐新世梳趾鼠类头骨新材料
徐冉成, 李茜

New skulls of ctenodactyloids from the Early Oligocene of Ulantatal, Nei Mongol, China
XU Ran-Cheng, LI Qian
Fig. 3 Skull of Bounomys ulantatalensis (IVPP V 26128) from the Ulantatal Formation of Ulantatal area, Alxa Left Banner, Nei Mongol in rostral (A, B) and occipital (C, D) views
Abbreviations: ena. external nasal aperture 外鼻孔; zpmx. zygomatic process of maxilla 上颌颧突;other abbreviations see Fig. 2