Sinoceras chinense is a kind of extinct cephalopod mollusk that flourished in the late Ordovician. It is regarded as the index fossil of the Upper Ordovician Pagoda Formation on the Yangtze Platform of South China, with a likely age of early Katian.
Click here for original story, Cephalopod Sinoceras chinense discovered outside China for the first time
Source: Phys.org