Pravaya Aba River, Western Sayan, Upper Monok Formation (Cambrian of Russian Federation)

Also known as Reef 3786

Where: Khakasiya, Russian Federation (52.5° N, 89.1° E: paleocoordinates 7.7° S, 9.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Upper Monok Formation, Botomian (516.0 - 513.0 Ma)

• Sanashtykgol stage

• group of beds-level stratigraphic resolution

Environment/lithology: perireef or subreef; lithified limestone

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: D. V. Osadchaya, L. N. Kashina, I. T. Zhuravleva and N. P. Borodina. 1979. Stratigrafiya i arkheotsiaty nizhnego kembriya Altaye-Sayanskoy skladchatoy oblasti [Lower Cambrian stratigraphy and archaeocyatha of the Altay-Sayan fold belt]. Trudy Instituta Geologii i Geofiziki, Sibirskoye Otdeleniye 380:1-215 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 81462: authorized by Wolfgang Kiessling, entered by Uta Merkel on 25.06.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Archaeocyatha
 Putapacyathida - Alphacyathidae
Aptocyathus gordoni, "Aptocyathella prima" = Aptocyathus prima
Aptocyathus gordoni archaeocyath sponge
"Aptocyathella prima" = Aptocyathus prima Zhuravleva et al. 1964 archaeocyath sponge
 Ajacicyathida - Vologdinocyathidae
 Ajacicyathida - Tercyathidae
Tercyathus validus archaeocyath sponge