Egiin-Gol river basin (North-West Mongolia), Alag Erdeni (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; black, gray 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 45949: authorized by Martin Aberhan, entered by Sabine Nürnberg on 16.12.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Archaeocyatha
 Monocyathida - Monocyathidae
Archaeolynthus nalivkini archaeocyath sponge
 Ajacicyathida - Sajanocyathidae
Irinaecyathus grandiperforatus archaeocyath sponge
 Ajacicyathida - Densocyathidae
Leptosocyathus mirus archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
Rotundocyathus levigathus archaeocyath sponge
"Aldanocyathus speranskii" = Nochoroicyathus archaeocyath sponge
Sibirecyathus naletovi archaeocyath sponge
 Ajacicyathida - Carinacyathidae
"Porocyathus cf. mirabilis" = Carinacyathus
"Porocyathus cf. mirabilis" = Carinacyathus archaeocyath sponge
 Ajacicyathida - Annulocyathidae
Annulofungia sp. Krasnopeeva 1955 archaeocyath sponge
 Ajacicyathida - Erbocyathidae
Erbocyathus sp. archaeocyath sponge
 Archaeocyathida - Archaeocyathidae
"Batenevia ramosa" = Archaeocyathus
"Batenevia ramosa" = Archaeocyathus archaeocyath sponge
Botomaella
  -
Botomaella sp. Korde 1958
Proaulopora
  -
Kordephyton
  -
Botominella lineata
  -
Botominella lineata Reitlinger 1959
Gordonophyton
  - Chabakoviacea
Bija
  - Chabakoviacea
Bija sibirica
  - Chabakoviacea
Bija sibirica Vologdin 1932
Rothpletzella
  -
Hormogoneae
 Oscillatoriales - Girvanellaceae