Koksu, bed 12 (Cambrian of Kazakhstan)

Where: Kazakhstan (43.7° N, 69.7° E: paleocoordinates 2.5° N, 102.7° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Geress Member (Shabakty Formation), Atdabanian (520.0 - 516.0 Ma)

• bed 12 (10 m thick), Rhombocorniculum cancellatum zone, Adyshevitheca beds

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

• argillaceous and sandy limestone

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 326:1-90 [W. Kiessling/U. Merkel/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 99357: authorized by Wolfgang Kiessling, entered by Uta Merkel on 09.11.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Corynexochida - Oryctocephalidae
 Corynexochida - Dorypygidae
Kootenia tersa trilobite
Kootenia aff. diutina Fritz 1972 trilobite
 Ptychopariida - Ptychopariidae
 Redlichiida - Palaeolenidae
 Redlichiida - Redlichiidae
"Redlichia chinensis" = Redlichia (Pteroredlichia) chinensis Walcott 1905 trilobite
 Protoconodontida -
Amphigeisina renae Missarzhevsky and Mambetov 1981
Hyolitha
 Hyolithida - Sulcavitidae
Burithes elongatus Missarzhevskiy 1969
Kutorginata
 Kutorginida - Kutorginidae
Kutorgina sp. Billings 1861
Lingulata
 Lingulida - Botsfordiidae
Helcionelloida
 Helcionellida - Helcionellidae
Igorella talassica Missarzhevsky and Mambetov 1981
Purella
  - Maikhanellidae
Purella insueta n. sp. Missarzhevsky and Mambetov 1981
Conodonta
  -
Hertzina bisulcata Müller 1959 conodont
 Hyolithelminthida -
Koksuja costulifera Missarzhevsky and Mambetov 1981
Archaeooides granulatus
  -
"Gaparella porosa" = Archaeooides granulatus
"Gaparella porosa" = Archaeooides granulatus Qian 1977
Coeloscleritophora
 Chancelloriida - Chancelloriidae
Chancelloria sp. Walcott 1920
Heteractinida
 Octactinellida - Eiffeliidae
"Lenastella araniformis" = Eiffelia araniformis
"Lenastella araniformis" = Eiffelia araniformis Missarzhevsky and Mambetov 1981
 Pseudoconodontida -
Mongolitubulus squamifer Missarzhevsky 1977