ammonites
Pleuronodoceras dayenense Yang and Yang 1992 (ceratite)

Cephalopoda - Ceratitida - Pleuronodoceratidae

Full reference: D. Z. Yang and F. Q. Yang. 1992. New materials of Late Permian ammonoids from southeastern Hubei. Acta Palaeontologica Sinica 31(5):595-604

Belongs to Pleuronodoceras according to D. Z. Yang and F. Q. Yang 1992

Sister taxa: Pleuronodoceras (Graciloceratites), Pleuronodoceras anshunense, Pleuronodoceras attenuatum, Pleuronodoceras carinatum, Pleuronodoceras curvaplicatum, Pleuronodoceras densiplicatum, Pleuronodoceras dushanense, Pleuronodoceras guangdeense, Pleuronodoceras guiyangense, Pleuronodoceras hubeiense, Pleuronodoceras inflatum, Pleuronodoceras liuchengense, Pleuronodoceras mapingense, Pleuronodoceras matanense, Pleuronodoceras mirificum, Pleuronodoceras multinodosum, Pleuronodoceras radiatum, Pleuronodoceras tenuicostatum, Pleuronodoceras tonglingense

Type specimen: Geol Brigade NE Hubei Province 87045. Its type locality is Sijiawan, Wangren, Bed 7, Daye County, which is in a Changhsingian offshore shale/lime mudstone in the Dalong Formation of China.

Ecology: nektonic carnivore

Average measurements (in mm): shell width 10.1, shell diameter 31.3