甘肃和政晚中新世许氏鼠(啮齿类：鼠科)头骨化石

王伴月, 邱占祥, 李绿洲

A Late Miocene Huerzelerimys (Rodentia: Muridae) skull from Hezheng, Gansu, China

WANG Ban-Yue, QIU Zhan-Xiang, LI Lü-Zhou

Fig. 1 Nomenclature used for molars of MuridaeAbbreviations: Abc. anterobuccal cusp; Acc. anterocentral cusp; Alc. anterolingual cusp; c1?c3. accessory cusps; End. entoconid; Hyd. hypoconid; Ls. longitudinal spur; Med. metaconid; Ph. posterior hell; Prd. protoconid; t1?t12. tubercles; t1bis and t2bis. appendices to t1 and t2 (After Qiu and Li, 2016)