晚中新世晚期土城子小哺乳动物组合及土城子动物群在内蒙古中部地区新近纪哺乳动物群序列中的位置

张立民, 董为, 倪喜军, 李强

Late Miocene micromammalian assemblage of Tuchengzi and its biochronological position in Neogene faunal sequence in central Nei Mongol, China

ZHANG Li-Min, DONG Wei, NI Xi-Jun, LI Qiang

Table 1 Molar measurements of Prosiphneus licenti from Tuchengzi, Huade, Nei Mongol (mm)

Tooth Number Length Width Range Mean Range Mean M1 2 3.10-3.20 3.15 2.26-2.30 2.28 M2 2 2.60-2.65 2.63 2.15-2.20 2.18 M3 2 2.10-2.15 2.13 1.95-1.95 1.95 m1 3 2.90-3.35 3.10 1.65-2.15 1.92 m2 3 2.75-3.10 2.88 2.20-2.45 2.35 m3 1 - 2.55 - 2.15