Bayan Gol, southern block, unit 17 (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: Tsagaan Oloom Formation, Nemakit-Daldynian (538.8 - 525.5 Ma)

• unit 17, uppermost Tsagaan Oloom Formation

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified grainstone

• microphytolitic calcarenite with lenses and interbeds of sandstone, lens-like accumulations of small shelly fossils

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 99555: authorized by Wolfgang Kiessling, entered by Uta Merkel on 15.11.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

 Hyolithelminthida - Hyolithellidae
Protoconodonta
  -
Protohertzina unguliformis Missarzhevsky 1973
Purella
  - Maikhanellidae
Purella sp. Missarzhevsky 1974
Scyphozoa
 Anabaritida - Anabaritidae
"Angustiochrea magna" = Anabarites latus
"Angustiochrea magna" = Anabarites latus Val'kov and Sysoev 1970 jellyfish