罕见的泗洪炭兽在南京发现——雨花石层和长江时代新的依据

泗洪炭兽的一个颌骨最近在南京六合地区的雨花石层被发现,泗洪炭兽属偶蹄目、猪形亚目、炭兽科,时代属中中新世,它也是一很罕见和很重要的化石。雨花石层的时代长期以来有争论,有归于上新世也有认为是中新世。泗洪炭兽在雨花石层的发现不仅提供了雨花石层时代的新依据,而且也说明长江东段在中中新世已存在。

The Fossil of Sihongotherium Liu et Zhang was Found Recently in the Yuhuashi Bed in Nanjing: New Evidence for the Age of the Yuhuashi Bed and East Yangtze River

The one mandible of Sihongtherium Liu et Zhang was found recently in the Yuhuashi Bed of Liuhe Region, Nanjing. Sihongtherium Liu et Zhang belongs to Anthracotheriidae Gill of Suiformes Jaeckel, Artiodactyla Owen. It may be referred to the middle Miocene in age. It is also a very rare and important fossil. The age of the Yuhuashi Bed has been a topic of long debate, either Pliocene or Miocene. The discovery of Sihongtherium Liu et Zhang from in Yuhuashi Bed not only provide a new evidence for the age of the Yuhuashi Bed but also explain the East Yangtze River presented in the middle Miocene.