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

Where: Mongolia (50.1° N, 100.0° E: paleocoordinates 2.5° S, 4.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Lenian (516.0 - 510.2 Ma)

Environment/lithology: marine; lithified, gray limestone

• light gray, massive 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 45951: authorized by Martin Aberhan, entered by Sabine Nürnberg on 16.12.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Archaeocyatha
 Monocyathida - Tumuliolynthidae
Tumuliolynthus vologdini archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
"Aldanocyathus sp." = Nochoroicyathus
"Aldanocyathus sp." = Nochoroicyathus Zhuravleva 1951 archaeocyath sponge
 Ajacicyathida - Sajanocyathidae
Zonacyathus vermiculatus archaeocyath sponge
 Ajacicyathida - Densocyathidae
Leptosocyathus sp. archaeocyath sponge
 Ajacicyathida - Carinacyathidae
"Porocyathus mirabilis" = Carinacyathus
"Porocyathus mirabilis" = Carinacyathus archaeocyath sponge
 Ajacicyathida - Kijacyathidae
Kijacyathus sp. archaeocyath sponge
 Capsulocyathida - Coscinocyathidae
Coscinocyathus sp. Bornemann 1884 archaeocyath sponge
 Archaeocyathida - Archaeocyathidae
"Archaeocyathus sp." = Archaeocyathus, "Batenevia ramosa" = Archaeocyathus, Araneocyathus sp.
"Archaeocyathus sp." = Archaeocyathus Billings 1861 archaeocyath sponge
"Batenevia ramosa" = Archaeocyathus archaeocyath sponge
Araneocyathus sp. Vologdin 1937 archaeocyath sponge
Gordonophyton
  - Chabakoviacea
Renalcis
  - Chabakoviacea
Proaulopora
  -
Proaulopora rarissima
  -
Proaulopora rarissima Vologdin 1962
Epiphyton
  - Ludloviaceae
Kordephyton
  -