Yangtze Gorge, Yichang, Protoconus-Eosoconus assemblage (Cambrian of China)

Where: Hubei, China (30.8° N, 111.2° E: paleocoordinates 27.8° N, 161.0° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Huangshandong Formation, Meishucunian (541.0 - 516.0 Ma)

• lower member, Anabarites-Circotheca zone, also known as Tianzhushan Formation, Lower Meishucunian

• group of beds-level stratigraphic resolution

Environment/lithology: lithified dolomite

• light gray dolomite

Size class: macrofossils

Primary reference: W. Yü. 1979. Earliest Cambrian monoplacophorans and gastropods from western Hubei with their biostratigraphical significance. Acta Palaeontologica Sinica 18(3):233-270 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 107669: authorized by Wolfgang Kiessling, entered by Uta Merkel on 12.04.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Helcionelloida
 Helcionellida - Carinopeltidae
Protoconus crestatus n. gen. n. sp.
Protoconus crestatus n. gen. n. sp. Yü 1979
Actinoconus pyriformis
  -
Actinoconus pyriformis n. gen. n. sp.
Actinoconus pyriformis n. gen. n. sp. Yü 1979
Eosoconus formosus
  -
Eosoconus formosus n. sp. Yü 1979
Eosoconus primarius
  -
Eosoconus primarius n. gen. n. sp.
Eosoconus primarius n. gen. n. sp. Yü 1979