Srednyaya Mountain, Batenevskiy Ridge, section II, units 1-3 (Cambrian of Russian Federation)

Also known as Reef 3778

Where: Khakasiya, Russian Federation (54.2° N, 90.8° E: paleocoordinates 9.6° S, 6.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Usa Formation, Atdabanian (521.0 - 516.0 Ma)

• sample 1432, 1433, 1435, 1446, 135 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 81329: authorized by Wolfgang Kiessling, entered by Uta Merkel on 20.06.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Mongolocyathus sp.
Trilobita
 Corynexochida - Dorypygidae
Protypus carus
Protypus carus trilobite
 Corynexochida - Dinesidae
Pseudoerbia convexa
 Corynexochida - Corynexochidae
Miranella rotunda, Miranella sp.
Miranella sp. Pokrovskaya 1960 trilobite
 Redlichiida - Chengkouaspididae
"Inella sp." = Repinainella
"Inella sp." = Repinainella Özdikmen 2005 trilobite
Archaeocyatha
 Archaeocyathida - Loculicyathidae
Loculicyathus membranivestites, "Robustocyathus robustus" = Cambrocyathellus robustus, "Robustocyathus cf. flexus" = Cambrocyathellus, "Robustocyathus levigatus" = Cambrocyathellus, "Robustocyathus salebrosus" = Cambrocyathellus
Loculicyathus membranivestites archaeocyath sponge
"Robustocyathus robustus" = Cambrocyathellus robustus Vologdin 1937 archaeocyath sponge
"Robustocyathus cf. flexus" = Cambrocyathellus archaeocyath sponge
"Robustocyathus levigatus" = Cambrocyathellus archaeocyath sponge
"Robustocyathus salebrosus" = Cambrocyathellus archaeocyath sponge
 Archaeocyathida - Dictyocyathidae
Chouberticyathus sp.
Chouberticyathus sp. archaeocyath sponge
 Monocyathida - Tumuliolynthidae
Tumuliolynthus vologdini
Tumuliolynthus vologdini archaeocyath sponge
 Monocyathida - Monocyathidae
Archaeolynthus sibiricus, Archaeolynthus nalivkini
Archaeolynthus sibiricus archaeocyath sponge
Archaeolynthus nalivkini archaeocyath sponge
 Ajacicyathida - Bronchocyathidae
Pseudotennericyathellus latus n. gen. n. sp.
Pseudotennericyathellus latus n. gen. n. sp. Osadchaya et al. 1979 archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
Rotundocyathus cf. khemtschikensis, Rotundocyathus sp., "Aldanocyathus ex gr. acutus" = Nochoroicyathus, "Aldanocyathus sp." = Nochoroicyathus
Rotundocyathus sp. Vologdin 1960 archaeocyath sponge
"Aldanocyathus ex gr. acutus" = Nochoroicyathus archaeocyath sponge
"Aldanocyathus sp." = Nochoroicyathus Zhuravleva 1951 archaeocyath sponge
 Ajacicyathida - Sajanocyathidae
Formosocyathus sp., Irinaecyathus sp.
Formosocyathus sp. archaeocyath sponge
Irinaecyathus sp. archaeocyath sponge
 Ajacicyathida - Tumulocyathidae
Tumulocyathus sp.
Tumulocyathus sp. archaeocyath sponge
 Capsulocyathida - Clathricoscinidae
Clathricoscinus sp.
Clathricoscinus sp. archaeocyath sponge
 Capsulocyathida - Cryptoporocyathidae
Capsulocyathus irregularis, Capsulocyathus subcallosus, Capsulocyathus sp.
Capsulocyathus irregularis archaeocyath sponge
Capsulocyathus subcallosus archaeocyath sponge
Capsulocyathus sp. archaeocyath sponge
Bicyathus
  -
Bicyathus angustus
Epiphyton
  - Ludloviaceae
Epiphyton sp.
Epiphyton sp. Bornemann 1886