ammonites
Dushanoceras rotalarium Zhao et al. 1978 (ceratite)

Cephalopoda - Ceratitida - Pseudotirolitidae

Full reference: J. K. Zhao, X. L. Liang, and Z. G. Zheng. 1978. Late Permian cephalopods of south China. Palaeontologica Sinica, New Series B 154(12):1-194

Belongs to Dushanoceras according to J. K. Zhao et al. 1978

Sister taxa: none

Type specimen: NIGP 15000. Its type locality is Tuzishan, Dushanzhen, Guangde County, which is in a Changhsingian carbonate limestone in the Changxing Formation of China.

Ecology: nektonic carnivore

Average measurements (in mm): shell width 19.6, shell diameter 82.9