†Planodiscoceras involutum Zhao et al. 1978 (ceratite)
Cephalopoda - Ceratitida - Anderssonoceratidae
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 Planodiscoceras according to J. K. Zhao et al. 1978
Sister taxa: Planodiscoceras gratiosum, Planodiscoceras longilobatum
Type specimen: NIGP 14889. Its type locality is Xinhang, Guangde County, which is in a Wuchiapingian marine siliciclastic in the Longtan Formation of China.
Ecology: nektonic carnivore
Average measurements (in mm): shell diameter 24.8