Bayan Gol, southern block, upper unit 18 (Cambrian of Mongolia)

Where: Govi-Altay, Mongolia (46.7° N, 96.3° E: paleocoordinates 6.5° S, 5.6° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Purella antiqua small shelly zone, Bayan Gol Formation, Nemakit-Daldynian (538.8 - 525.5 Ma)

• lower Bayan Gol Formation, bed N in the upper unit 18, Purella antiqua zone

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

• grey limestone, fine-grained and lensoidal

Size class: macrofossils

Primary reference: V. V. Khomentovsky and A. S. Gibsher. 1996. The Neoproterozoic-lower Cambrian in northern Govi-Altay, western Mongolia: regional setting, lithostratigraphy and biostratigraphy. Geological Magazine 133(4):371-390 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 99557: authorized by Wolfgang Kiessling, entered by Uta Merkel on 15.11.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Protoconodonta
  -
Protohertzina sp., Protohertzina anabarica
Protohertzina sp. Missarzhevsky 1973
Protohertzina anabarica Missarzhevsky 1973
Purella
  - Maikhanellidae
Purella panda, Purella sp.
Purella sp. Missarzhevsky 1974
Purella cristata
  - Maikhanellidae
Purella cristata
Purella cristata Missarzhevsky 1974
Purella
  - Maikhanellidae
? Maikhanella multa
? Maikhanella multa Voronin et al. 1982
 Sachitida - Siphogonuchitidae
Lopochites sp.
Lopochites sp. Qian 1977
Aculifera
  - Halkieriidae
Halkieria projecta
Scyphozoa
 Anabaritida - Anabaritidae
Anabarites trisulcatus, Cambrotubulus sp., Cambrotubulus decurvatus
Anabarites trisulcatus Voronova and Missarzhevsky 1969 jellyfish
Cambrotubulus sp. Rozanov et al. 1969 jellyfish
Cambrotubulus decurvatus Rozanov et al. 1969 jellyfish
Archaeooides granulatus
  -
Archaeooides granulatus
 Hyolithelminthida - Hyolithellidae
Pseudorthotheca bistriata