记甘肃和政新发现的大唇犀类化石——兼论中国“对鼻角犀”的性质

本文记述了甘肃和政,晚中新世地层中发现的一个大唇犀类的头骨—Acerorhinus hezhengensis sp。nov。笔者详细地讨论了中国“对鼻角犀”的性质,指出它和北美真正的对鼻角犀相去甚远。笔者不同意Heissig把“对鼻角犀”作为大唇犀一个亚属的意见,而把它视为一个独立的属,其属名采用Kretzoi 1942年所创的Acerorhinus,它和大唇犀一起组成无角犀亚科中的大唇犀族。     

A NEW CHILOTHERE SKULL FROM HEZHENG,GANSU, CHINA——WITH SPECIAL REFERENCE TO THE CHINESE "DICERATHERIUM"

In this paper a new chilothere species, Acerorhinus hezhengensis represented by associated skull andlower jaw from Late Miocene deposits of Hezheng, Gansu, is described. The Chinese "Diceratherium"problem is reviewed and analysed. Systematically, the Chinese "Diccratherium" has scarcely any direct rela-tion with the true Diceratherium of North America. Heissig's referral of the Chinese "Diceratherium" toChilotherium as a subgenus is here disputed. A series of distinctive characters warrant the Chinese "Di-ceratherium" a generic rank, for which Acerorhinus created by Kretzoi in 1942 is adopted. Acerorhinusshares common apomorphic features exclusively with Chilotherium. They may represent a separate tribein the subfamily Acerotheriinae: Chilotherini.