Egiin-Gol river basin (North-West Mongolia), Arkheotsiatova Mountain (Cambrian to of Mongolia)

Where: Mongolia (50.0° N, 100.0° E: paleocoordinates 3.0° S, 3.5° E)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Egiin Gol Formation, Atdabanian to Atdabanian (521.0 - 510.2 Ma)

• PJW: Atdabanian strata here is Egiin Gol.

• formation-level stratigraphic resolution

Environment/lithology: marine; gray limestone

• massive gray and darkgray limestone

Size class: microfossils

Primary reference: Y.u. I. Voronin, L. G. Voronova, and N. A. Drozdova. 1983. Arkheotsiaty i vodorosli nizhnego kembriya basseyna r. Egiyn-Gol (Severo-zapadnaya Mongoliya). The lower cambrian archaeocyatha and algae of the Egiin-Gol river basin (the North-West Mongolia). Trudy - Sovmestnaya Sovetsko-Mongol'skaya Paleontologicheskaya Ekspeditsiya 20:7-11 [M. Aberhan/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 45946: authorized by Martin Aberhan, entered by Sabine Nürnberg on 16.12.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Archaeocyatha
 Archaeocyathida - Loculicyathidae
Loculicyathus tolly archaeocyath sponge
Neoloculicyathus sp. archaeocyath sponge
"Robustocyathus sp." = Cambrocyathellus archaeocyath sponge
 Ajacicyathida - Ethmocyathidae
Baikalocyathus cf. rossicus archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
"Aldanocyathus sp." = Nochoroicyathus
"Aldanocyathus sp." = Nochoroicyathus Zhuravleva 1951 archaeocyath sponge
 Ajacicyathida - Densocyathidae
Leptosocyathus sp. archaeocyath sponge
Hormogoneae
 Oscillatoriales - Girvanellaceae
Renalcis
  - Chabakoviacea
Proaulopora
  -
Kordephyton
  -
Epiphyton
  - Ludloviaceae