Cephalopoda - Ceratitida - Hedenstroemiidae

Alternative combination: Hedenstroemia augusta

Full reference: A. Brayard and H. Bucher. 2008. Smithian (Early Triassic) ammonoid faunas from northwestern Guangxi (South China): taxonomy and biochronology. Fossils and Strata 55:1-179

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

Sister taxa: Pseudosageceras (Metasageceras), Pseudosageceras albanicum, Pseudosageceras boreale, Pseudosageceras longilobatum, Pseudosageceras multilobatum, Pseudosageceras pasquayi, Pseudosageceras plicatum

Type specimen: PIMUZ 26138. Its type locality is Waili Laren section NW13, which is in a Smithian slope mudstone in the Luolou Formation of China.

Average measurements (in mm): shell width 6.11, shell diameter 30.9