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Pentagonoceras spinosum Zhao et al. 1978 (ceratite)

Cephalopoda - Ammonoidea - Pleuronodoceratidae

PaleoDB taxon number: 207917

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 Pentagonoceras according to J. K. Zhao et al. 1978

Sister taxa: Pentagonoceras attenuatum, Pentagonoceras chaotianense, Pentagonoceras costatum, Pentagonoceras guangyuanense, Pentagonoceras guizhouense

Type specimen: NIGP 14946. Its type locality is Mao'ertang Section, Dalong Fm, Shangsi, Guangyuan County, which is in a Changhsingian deep-water siliciclastic in the Dalong Formation of China.

Ecology: nektonic carnivore

Average measurements (in mm): shell width 11.3, shell diameter 45.1