ammonites
Hubeitoceras yanjiaensis Xu 1988

Cephalopoda - Ceratitida - Proptychitidae

Alternative combination: Koninckites yanjiaensis

Full reference: G. H. Xu. 1988. Early Triassic cephalopods from Lichuan, western Hubei. Acta Palaeontologica Sinica 27:437-456

Belongs to Hubeitoceras according to T. Brühwiler et al. 2008

Sister taxon: Hubeitoceras wangi

Type specimen: Yichang Inst Geol Min Res IV50612. Its type locality is Xiaohe Xh-80-C-3, Lichuan, which is in a Dienerian carbonate lime mudstone in the Ruiping Formation of China.

Average measurements (in mm): shell width 6.60, shell diameter 35.3