Beshtash, Talas Alatau, bed 5 (Cambrian of Kyrgyzstan)

Where: Kyrgyzstan (42.2° N, 72.0° E: paleocoordinates 4.2° N, 104.3° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Rhombocorniculum cancellatum small shelly zone, Geress Member (Beshtash Formation), Atdabanian (521.0 - 516.0 Ma)

• bed 5 (9 m thick), Rhombocorniculum cancellatum zone, Adyshevitheca beds

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified dolomite

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 99328: authorized by Wolfgang Kiessling, entered by Uta Merkel on 08.11.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Microdictyon effusum
  -
Microdictyon effusum Bengtson et al. 1981
Helcionelloida
 Helcionellida - Helcionellidae
Protowenella plena n. sp. Missarzhevsky and Mambetov 1981
 Pelagiellida - Pelagiellidae
Pelagiella lorenzi Kobayashi 1939
  -
Beshtashella tortilis n. gen. n. sp.
Beshtashella tortilis n. gen. n. sp. Missarzhevsky and Mambetov 1981
 Calyptoptomatida -
Adyshevitheca utchbasica Mambetov and Repina 1979
Hyolitha
 Hyolithida - Nelegerocornidae
 Hyolithida - Sulcavitidae
Burithes elongatus Missarzhevskiy 1969
Brachiopoda
 Tommotiida - Lapworthellidae
Ninella serebrjannikovae Missarzhevsky and Mambetov 1981
Conodonta
  - Amphigeisinidae
Amphigeisina renae Missarzhevsky and Mambetov 1981 conodont
Mobergella
  - Mobergellidae
Mobergella scutata Missarzhevsky and Mambetov 1981
Coeloscleritophora
 Chancelloriida - Chancelloriidae
Chancelloria sp. Walcott 1920
Allonia sp. Doré and Reid 1965
Heteractinida
 Octactinellida - Eiffeliidae
"Lenastella araniformis" = Eiffelia araniformis Missarzhevsky and Mambetov 1981
Lenastella mucronata Missarzhevsky and Mambetov 1981
Lenastella umbonata Missarzhevsky and Mambetov 1981
Lenastella aculeata Missarzhevsky and Mambetov 1981
 Hyolithelminthida - Hyolithellidae
Hyolithellus vladimirovae Rozanov and Missarzhevsky 1966
 Hyolithelminthida - Torellellidae
Torellella explicata n. sp. Missarzhevsky and Mambetov 1981
Chlorophyceae
 Dasycladales -
Cambroclavus clavus Mambetov and Repina 1979