Uchbas, bed 5 (Cambrian of Kazakhstan)

Where: Kazakhstan (43.6° N, 69.5° E: paleocoordinates 4.8° N, 102.8° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• bed 5 (2 m thick), Bercutia cristata zone

• bed-level stratigraphic resolution

Environment/lithology: perireef or subreef; lithified carbonate

• stromatolite

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 99361: authorized by Wolfgang Kiessling, entered by Uta Merkel on 09.11.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Hyolitha
 Orthothecida - Circothecidae
Conotheca mammilata
Conotheca mammilata Rozanov et al. 1969
Orthothecimorpha
 Circothecida -
Uniformitheca aladzharica, Uniformitheca ovaliformis
Uniformitheca aladzharica Missarzhevsky and Mambetov 1981
Uniformitheca ovaliformis Missarzhevsky and Mambetov 1981
Aculifera
  - Halkieriidae
Halkieria sacciformis, Halkieria denlanatiformis
Halkieria sacciformis Meshkova 1969
Halkieria denlanatiformis Missarzhevsky and Mambetov 1981
 Hyolithelminthida - Torellellidae
Torellella biconvexa
Torellella biconvexa Rozanov et al. 1969
 Hyolithelminthida - Hyolithellidae
Hyolithellus vladimirovae
Hyolithellus vladimirovae Rozanov and Missarzhevsky 1966