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

Table 1 Comparison of measurements among Bounomys (mm)

B. ulantatalensis B. ulantatalensis (Wang, 1997) B. bohlini (Wang, 1997) V 26125 V 26126 V 26127 V 26128 Average P4-M3 L 8.54 8.54 8.12 8.18 8.35 / 6.15-7.30 P4 L 1.4 1.29 1.17 1.38 1.31 1.84 0.98-1.48 W 1.88 2.07 1.71 1.90 1.89 2.16 1.23-1.97 M1 L 2.09 2.21 2.12 2.08 2.13 2.24-2.56 1.31-1.99 W 1.96 2.23 2.01 2.08 2.07 2.16-2.53 1.48-2.05 M2 L 2.28 2.42 2.39 2.38 2.37 2.56-2.80 1.64-2.13 W 2.29 2.58 2.47 2.42 2.44 2.08-2.72 1.56-2.09 M3 L 2.52 2.52 2.46 2.41 2.48 2.24-2.88 1.72-2.16 W 2.38 2.53 2.37 2.43 2.43 2.45-2.72 1.60-2.05 p4-m3 L 9.07 9.24 8.61 8.55 8.87 9.12-10.08 7.46-7.71 p4 L 1.45 1.49 1.25 1.26 1.36 1.60-1.76 1.48-1.56 W 1.32 1.41 1.21 1.25 1.30 1.28-1.65 1.31-1.31 m1 L 2.08 2.2 2.27 2.21 2.19 2.32-2.88 1.89-2.01 W 1.53 1.79 1.82 1.77 1.73 1.76-2.40 1.44-1.56 m2 L 2.52 2.58 2.45 2.55 2.53 2.56-3.36 2.09-2.46 W 1.95 2.22 2.12 2.13 2.11 2.08-2.61 1.64-1.97 m3 L 2.9 2.9 2.77 2.78 2.84 2.72-3.52 2.13-2.38 W 1.87 2.14 2.08 2.15 2.06 2.05-2.61 1.56-1.80