Krutoy Log, Sukhie Solontsy bioherm, Batenevskiy Ridge, unit 3 (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: Usa Formation, Atdabanian (521.0 - 516.0 Ma)

• sample 5102:S1-5, 31 m thick, Bazaikha stage

• group of beds-level stratigraphic resolution

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

• small calcimicrobial and calcimicrobial-archaeocyathan bioherms and biostromes and interbiohermal limestones

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 81311: authorized by Wolfgang Kiessling, entered by Uta Merkel on 19.06.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Archaeocyatha
 Archaeocyathida - Loculicyathidae
Cambrocyathellus sp.
Cambrocyathellus sp. archaeocyath sponge
 Archaeocyathida -
Sphinctocyathus radiatus
Sphinctocyathus radiatus archaeocyath sponge
 Archaeocyathida - Copleicyathidae
Tabulacyathellus bidzjaensis
Tabulacyathellus bidzjaensis archaeocyath sponge
 Archaeocyathida - Dictyocyathidae
Dictyocyathus tenuis
Dictyocyathus tenuis archaeocyath sponge
 Monocyathida - Tumuliolynthidae
Tumuliolynthus musatovi
Tumuliolynthus musatovi archaeocyath sponge
 Monocyathida - Monocyathidae
Archaeolynthus sibiricus, Archaeolynthus nalivkini
Archaeolynthus sibiricus archaeocyath sponge
Archaeolynthus nalivkini archaeocyath sponge
 Ajacicyathida - Asterocyathidae
Retecoscinus sp.
Retecoscinus sp. archaeocyath sponge
 Ajacicyathida - Dokidocyathidae
Dokidocyathus bogradiensis
Dokidocyathus bogradiensis Osadchaya et al. 1979 archaeocyath sponge
 Ajacicyathida - Kaltatocyathidae
Kaltatocyathus sp.
Kaltatocyathus sp. Zhuravleva et al. 1964 archaeocyath sponge
 Ajacicyathida - Bronchocyathidae
Cyclocyathella sp.
Cyclocyathella sp. archaeocyath sponge
 Ajacicyathida - Ethmocyathidae
Degeletticyathus lebedevae, Degeletticyathus galushkoi, Baikalocyathus sp.
Degeletticyathus lebedevae archaeocyath sponge
Degeletticyathus galushkoi archaeocyath sponge
Baikalocyathus sp. archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
Rotundocyathus sp., Ajacicyathus shoricus, "Nochoroicyathus mariinskii" = Nochoroicyathus, Nochoroicyathus diadromus, Nochoroicyathus fragilis, "Aldanocyathus amplus" = Nochoroicyathus, "Aldanocyathus chassactuensis" = Nochoroicyathus, "Aldanocyathus difformis" = Nochoroicyathus, "Nochoroicyathellus activus n. gen. n. sp." = Stapicyathus activus
Rotundocyathus sp. Vologdin 1960 archaeocyath sponge
Ajacicyathus shoricus archaeocyath sponge
"Nochoroicyathus mariinskii" = Nochoroicyathus archaeocyath sponge
Nochoroicyathus diadromus Osadchaya et al. 1979 archaeocyath sponge
Nochoroicyathus fragilis Osadchaya et al. 1979 archaeocyath sponge
"Aldanocyathus amplus" = Nochoroicyathus archaeocyath sponge
"Aldanocyathus chassactuensis" = Nochoroicyathus archaeocyath sponge
"Aldanocyathus difformis" = Nochoroicyathus archaeocyath sponge
"Nochoroicyathellus activus n. gen. n. sp." = Stapicyathus activus Osadchaya et al. 1979 archaeocyath sponge
 Ajacicyathida - Sajanocyathidae
Irinaecyathus ex gr. optimus, Irinaecyathus sp.
Irinaecyathus ex gr. optimus archaeocyath sponge
Irinaecyathus sp. archaeocyath sponge
 Ajacicyathida - Densocyathidae
"Rarocyathus rarus n. gen. n. sp." = Tennericyathus rarus, Leptosocyathus sp.
"Rarocyathus rarus n. gen. n. sp." = Tennericyathus rarus Osadchaya et al. 1979 archaeocyath sponge
Leptosocyathus sp. archaeocyath sponge
 Ajacicyathida - Pretiosocyathidae
"Pretiosocyathellus toltschiensis" = Pretiosocyathus toltschiensis
"Pretiosocyathellus toltschiensis" = Pretiosocyathus toltschiensis Osadchaya et al. 1979 archaeocyath sponge
 Ajacicyathida - Geocyathidae
Geocyathus sp.
Geocyathus sp. archaeocyath sponge
 Ajacicyathida - Tumulocyathidae
"Tumulocyathellus ex gr. platiseptatus" = Plicocyathus, "Tumulocyathellus sp." = Plicocyathus
"Tumulocyathellus ex gr. platiseptatus" = Plicocyathus archaeocyath sponge
"Tumulocyathellus sp." = Plicocyathus Vologdin 1960 archaeocyath sponge
 Capsulocyathida - Alataucyathidae
Alataucyathus jaroschevitschi
Alataucyathus jaroschevitschi Zhuravleva 1955 archaeocyath sponge
 Capsulocyathida - Tomocyathidae
"Tomocyathus gini" = Coscinocyathella
"Tomocyathus gini" = Coscinocyathella archaeocyath sponge
Renalcis
  - Chabakoviacea
Renalcis sp.
Renalcis sp. Vologdin 1932
Epiphyton
  - Ludloviaceae
Epiphyton sp.
Epiphyton sp. Bornemann 1886