Kyrshabakty River, 1378-23 (Cambrian of Kazakhstan)

Where: Kazakhstan (43.5° N, 70.0° E: paleocoordinates 6.4° S, 94.7° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Pseudagnostus pseudangustilobus-Acrocephalaspina trilobite zone, Bestogai Formation, Aksaian (492.8 - 491.5 Ma)

• sample 1378-23 from unit X (350-415 m) of the Kyrshabakty River section

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified lime mudstone and lithified wackestone

• mid fan distributary channels; slope of an isolated carbonate platform known as the Aisha-Bibi sea-mount
• wavy-bedded (bioturbated) grey and dark grey lime mudstone and wackestone (detrital limestone)

Size class: mesofossils

Preservation: cast

Primary reference: L. E. Holmer, L. E. Popov, S. P. Koneva and M. G. Bassett. 2001. Cambrian - early Ordovician brachiopods from Malyi Karatau, the western Balkhash region, and Tien Shan, Central Asia. Special Papers in Palaeontology 65:1-180 [W. Kiessling/M. Domansky]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 122780: authorized by Wolfgang Kiessling, entered by Marcus Domansky on 05.01.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Lingulata
 Lingulida - Zhanatellidae
Zhanatella rotunda Koneva 1986
 Acrotretida - Acrotretidae
Quadrisonia minor Rowell and Henderson 1978
 Acrotretida - Scaphelasmatidae
? Eoscaphelasma delicata Holmer et al. 2001