Krutoy Log, Sukhie Solontsy bioherm, Batenevskiy Ridge, G. howelli zone (Cambrian of Russian Federation)

Also known as Reef 3774

Where: Khakasiya, Russian Federation (54.0° N, 90.8° E: paleocoordinates 9.4° S, 6.3° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Atdabanian (521.0 - 516.0 Ma)

• Bazaikha stage, Gordonicyathus howelli zone

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

• The Sukhie Solontsy biohermal massif spreads latitudinally for 8 km as a discontinuous belt of reefal limestones from 1000 to 1200 m in thickness. The Atdabanian strata are 600 m in thickness.
• calcimicrobial and calcimicrobial-archaeocyathan bioherms

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: D. V. Osadchaya and D. V. Kotelnikov. 1998. Archaeocyathids from the Atdabanian (Lower Cambrian) of the Altay-Sayan Foldbelt, Russia. Geodiversitas 20(1):5-18 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 81244: authorized by Wolfgang Kiessling, entered by Uta Merkel on 13.06.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Archaeocyatha
 Archaeocyathida - Loculicyathidae
Mikhnocyathus irregularis, Cambrocyathellus communis, Cambrocyathellus similiseptus, Cambrocyathellus tuberculatus, Cambrocyathellus kundatus, Loculicyathus membranivestites, Neoloculicyathus primus, Neoloculicyathus ex gr. chabakovi
Mikhnocyathus irregularis Osadchaya and Kotelnikov 1998 archaeocyath sponge
Cambrocyathellus communis archaeocyath sponge
Cambrocyathellus similiseptus archaeocyath sponge
Cambrocyathellus tuberculatus archaeocyath sponge
Cambrocyathellus kundatus archaeocyath sponge
Loculicyathus membranivestites archaeocyath sponge
Neoloculicyathus primus archaeocyath sponge
 Archaeocyathida - Dictyocyathidae
Dictyocyathus confertus
Dictyocyathus confertus archaeocyath sponge
 Archaeocyathida - Archaeopharetridae
Archaeopharetra marginata, Dictyosycon radiatus, Dictyosycon sp.
Archaeopharetra marginata archaeocyath sponge
Dictyosycon radiatus archaeocyath sponge
Dictyosycon sp. archaeocyath sponge
 Archaeocyathida - Copleicyathidae
Tabulacyathellus bidzjaensis
Tabulacyathellus bidzjaensis archaeocyath sponge
 Archaeocyathida - Usloncyathidae
"Dictyofavus lepidus" = Usloncyathus, "Dictyofavus sp." = Usloncyathus, Kechikacyathus sp.
"Dictyofavus lepidus" = Usloncyathus archaeocyath sponge
"Dictyofavus sp." = Usloncyathus archaeocyath sponge
Kechikacyathus sp. archaeocyath sponge