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
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