记泥河湾盆地晚上新世—早更新世䶄亚科(Arvicolinae)和鼢鼠亚科(Myospalacinae)五新种
郑绍华, 张颖奇, 崔宁

Five new species of Arvicolinae and Myospalacinae from the Late Pliocene-Early Pleistocene of Nihewan Basin
ZHENG Shao-Hua, ZHANG Ying-Qi, CUI Ning
Fig. 4 Selected molars of Borsodia prechinensis sp. nov. from Donggou section near Qianjiashawa village, Yangyuan County, Hebei Province
A-A2. right m1 (IVPP V 23164.1, holotype), B-B2. right M1 (V 23164.4), C-C2. left M3 (V 23164.6),D-D2. right m3 (V 23164.3); A-D. occlusal view, A1-D1. buccal view, A2-D2. lingual view