Berkuty, bed 5 (Cambrian of Kazakhstan)

Where: Kazakhstan (43.6° N, 69.7° E: paleocoordinates 5.0° N, 102.7° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Chulaktau Formation, Tommotian (525.5 - 521.0 Ma)

• bed 5 (3 m thick), Bercutia cristata zone

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone and lithified conglomerate

• stromatolite-oncolite

Size class: macrofossils

Primary reference: V. V. Missarzhevsky and A. M. Mambetov. 1981. Stratigrafiya i fauna pogranichnykh sloyev Kembriya i Dokembriya Malogo Karatau [Stratigraphy and fauna of the Precambrian-Cambrian boundary beds of the Malyy Karatau]. Trudy Ordena Trudovogo Krasnogo Znameni Geologicheskiy Institut Akademiya NAUK SSSR 326:1-96 [W. Kiessling/U. Merkel/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 99315: authorized by Wolfgang Kiessling, entered by Uta Merkel on 08.11.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

 Hyolithelminthida - Hyolithellidae
Hyolithellus vladimirovae Rozanov and Missarzhevsky 1966
 Hyolithelminthida - Torellellidae
Torellella biconvexa Rozanov et al. 1969
Brachiopoda
 Tommotiida - Lapworthellidae
Bercutia cristata Missarzhevsky and Mambetov 1981
Geresia rugosa Missarzhevsky and Mambetov 1981
Hyolitha
 Orthothecida - Circothecidae
Conotheca mammilata Rozanov et al. 1969
Orthothecimorpha
 Circothecida -
Uniformitheca ovaliformis Missarzhevsky and Mambetov 1981
Uniformitheca aladzharica Missarzhevsky and Mambetov 1981
Aculifera
  - Halkieriidae
Halkieria denlanatiformis Missarzhevsky and Mambetov 1981
Halkieria sacciformis Meshkova 1969
Halkieria amorphe Meshkova 1974