Krutoy Log, Sukhie Solontsy bioherm, Batenevskiy Ridge, unit 6 (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 5103:S7, 5104:S1,2, 76 m thick, Kameshki stage

• group of beds-level stratigraphic resolution

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

• massive calcimicrobial-archaeocyathan bioherms

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 81314: 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
Trilobita
 Corynexochida - Dolichometopidae
Poliellina sp., Poliellaspis cf. rotundata
Poliellina sp. Poletayeva 1936 trilobite
 Corynexochida - Dorypygidae
Protypus sp.
Protypus sp. Walcott 1986 trilobite
 Redlichiida - Chengkouaspididae
"Inella monstrobilica" = Repinainella
"Inella monstrobilica" = Repinainella trilobite
 Redlichiida - Ellipsocephalidae
Limataceps bajangolica
Archaeocyatha
 Monocyathida - Tumuliolynthidae
Tumuliolynthus tubexternus
Tumuliolynthus tubexternus archaeocyath sponge
 Monocyathida - Monocyathidae
Archaeolynthus sp.
Archaeolynthus sp. Taylor 1910 archaeocyath sponge
 Monocyathida - Globosocyathidae
Globosocyathus marinae n. sp.
Globosocyathus marinae n. sp. Osadchaya et al. 1979 archaeocyath sponge
 Ajacicyathida - Tumulifungiidae
Tumulifungia sp.
Tumulifungia sp. Zhuraleva 1968 archaeocyath sponge
 Ajacicyathida - Bronchocyathidae
"Thalamocyathellus inclinatus n. gen. n. sp." = Thalamocyathus inclinatus
"Thalamocyathellus inclinatus n. gen. n. sp." = Thalamocyathus inclinatus Osadchaya et al. 1979 archaeocyath sponge
 Ajacicyathida - Ethmocyathidae
Inessocyathus crassospinosus, "Pseudodegeletticyathellus repinae" = Frinalicyathus
Inessocyathus crassospinosus archaeocyath sponge
"Pseudodegeletticyathellus repinae" = Frinalicyathus archaeocyath sponge
 Ajacicyathida - Carinacyathidae
"Carinacyathus sp." = Carinacyathus, "Porocyathus sp." = Carinacyathus, Porocyathellus cyroflexus n. sp.
"Carinacyathus sp." = Carinacyathus archaeocyath sponge
"Porocyathus sp." = Carinacyathus archaeocyath sponge
Porocyathellus cyroflexus n. sp. Osadchaya et al. 1979 archaeocyath sponge
 Ajacicyathida - Tumulocyathidae
"Torosocyathellus torosus n. gen. n. sp." = Plicocyathus torosus, Tumulocyathus raroseptatus, Kotuyicyathellus minus n. gen. n. sp.
"Torosocyathellus torosus n. gen. n. sp." = Plicocyathus torosus Osadchaya et al. 1979 archaeocyath sponge
Tumulocyathus raroseptatus Osadchaya et al. 1979 archaeocyath sponge
Kotuyicyathellus minus n. gen. n. sp. Osadchaya et al. 1979 archaeocyath sponge
 Capsulocyathida - Cryptoporocyathidae
Capsulocyathus subcallosus
Capsulocyathus subcallosus archaeocyath sponge
Renalcis
  - Chabakoviacea
Renalcis sp.
Renalcis sp. Vologdin 1932
Epiphyton
  - Ludloviaceae
Epiphyton sp.
Epiphyton sp. Bornemann 1886
Proaulopora
  -
Proaulopora sp.
Proaulopora sp. Vologdin 1962