Cephalopoda - Ceratitida - Arctoceratidae

Full reference: T. Brühwiler, H. Bucher, and N. Goudemand. 2010. Smithian (Early Triassic) ammonoids from Tulong, south Tibet. Geobios 43:403-431

Belongs to Brayardites according to T. Brühwiler et al. 2012

Sister taxon: Brayardites compressus

Type specimen: PIMUZ 27651. Its type locality is TWB71, Tong La West B, Tulong, which is in a Smithian deep subtidal lime mudstone in the Tulong Formation of China.

Ecology: nektonic carnivore

Average measurements (in mm): shell width 13.3, shell diameter 35.9