ammonites
Hebeisenites evolutus Brayard and Bucher 2008 (ceratite)

Cephalopoda - Ceratitida - Melagathiceratidae

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 Hebeisenites according to A. Brayard and H. Bucher 2008

Sister taxa: Hebeisenites compressus, Hebeisenites varians

Type specimen: PIMUZ 25886. Its type locality is Jinya Section Jin10, which is in a Smithian slope lime mudstone/mudstone in China.

Ecology: nektonic carnivore

Average measurements (in mm): shell width 7.13, shell diameter 18.7