Nemnekey Section, Ust-Yudoma Formation, Member IV, lower 7 m (Cambrian of Russian Federation)

Where: Siberia, Russian Federation (57.2° N, 132.0° E: paleocoordinates 14.6° S, 17.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: IV Member (Ust-Yudoma Formation), Manykaian (538.8 - 529.0 Ma)

• Purella antiqua zone; given as Vendian, but Gubanov & Peel (2003: Palaeontology) redate it as upper Nemakit-Daldynian.

• bed-level stratigraphic resolution

Environment/lithology: lithified, gray dolomite

• gray bedded dolomiet (from key)

Size class: macrofossils

Primary reference: V. V. Khomentovsky and G. A. Karlova. 1993. Biostratigraphy of the Vendian-Cambrian beds and the lower Cambrian boundary in Siberia. Geological Magazine 130(1):29-45 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 50415: authorized by Pete Wagner, entered by Pete Wagner on 14.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Scyphozoa
 Anabaritida - Anabaritidae
Tiksitheca licis
Tiksitheca licis Rozanov et al. 1969 jellyfish
Barskovia
  - Khairkhaniidae
Barskovia sp.
Barskovia sp. Golubev 1976
Helcionelloida
 Helcionellida - Coreospiridae
"Latouchella sp." = Latouchella, "Archaeospira sp." = Latouchella
"Latouchella sp." = Latouchella Cobbold 1921
"Archaeospira sp." = Latouchella Cobbold 1921