Krutoy Log, Sukhie Solontsy bioherm, Batenevskiy Ridge, unit 8 (Cambrian of Russian Federation)

Also known as Reef 3775

Where: Khakasiya, Russian Federation (54.0° N, 90.8° E: paleocoordinates 8.5° S, 7.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Clathricoscinus other zone, Usa Formation, Botomian (516.0 - 512.9 Ma)

• sample 5104:5,7, 5105:1, 56 m thick, Sanashtykgol stage

• group of beds-level stratigraphic resolution

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

• massive calcimicrobial-archaeocyathan bioherms; in the upper part small 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 81316: 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
Proaulopora
  -
Proaulopora sp.
Proaulopora sp. Vologdin 1962
Epiphyton
  - Ludloviaceae
Epiphyton sp.
Epiphyton sp. Bornemann 1886
Trilobita
  -
Trapezocephalina quadratica
Artiopoda
 Agnostida - Weymouthiidae
Serrodiscus sp.
Serrodiscus sp. Richter and Richter 1941
Archaeocyatha
 Monocyathida - Monocyathidae
Archaeolynthus macrospinosus
Archaeolynthus macrospinosus archaeocyath sponge
 Monocyathida - Tumuliolynthidae
Tumuliolynthus musatovi
Tumuliolynthus musatovi archaeocyath sponge
 Ajacicyathida - Sajanocyathidae
Zonacyathus cf. borealis, Chakassicyathus sp.
Zonacyathus cf. borealis Handfield 1971 archaeocyath sponge
Chakassicyathus sp. Zhuravleva and Elkina 1974 archaeocyath sponge
 Ajacicyathida - Erbocyathidae
Ladaecyathus sp.
Ladaecyathus sp. archaeocyath sponge
 Archaeocyathida - Loculicyathidae
Loculicyathus membranivestites
Loculicyathus membranivestites archaeocyath sponge
 Capsulocyathida - Cryptoporocyathidae
Capsulocyathus subcallosus, Capsulocyathus irregularis
Capsulocyathus subcallosus archaeocyath sponge
Capsulocyathus irregularis archaeocyath sponge
 Capsulocyathida - Clathricoscinidae
Clathricoscinus cf. dentatus, Clathricoscinus infirmus, Clathricoscinus vassilievi, Clathricoscinus sanaschtykgolensis
Clathricoscinus cf. dentatus archaeocyath sponge
Clathricoscinus infirmus archaeocyath sponge
Clathricoscinus vassilievi archaeocyath sponge
Clathricoscinus sanaschtykgolensis Osadchaya et al. 1979 archaeocyath sponge
 Capsulocyathida - Coscinocyathidae
Coscinocyathus cf. arquatus
Coscinocyathus cf. arquatus archaeocyath sponge