ammonites
Eosoconus formosus Yü 1979 (mollusk)

Eosoconus

Full reference: W. Yü. 1979. Earliest Cambrian monoplacophorans and gastropods from western Hubei with their biostratigraphical significance. Acta Palaeontologica Sinica 18(3):233-270

Belongs to Eosoconus according to W. Yü 1979

Sister taxon: Eosoconus primarius

Type specimen: Its type locality is Yangtze Gorge, Yichang, Protoconus-Eosoconus assemblage, which is in a Meishucunian carbonate dolomite in the Huangshandong Formation of China