Kyrshabakty River, 1401-7 (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: Micragnostus mutabilis-Lophosaukia trilobite zone, Bestogai Formation, Batyrbaian (491.5 - 485.4 Ma)

• sample 1401-7 from unit XII (530-600 m) of the Kyrshabakty River section

• bed-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

• inner fan feeder channels; slope of an isolated carbonate platform known as the Aisha-Bibi sea-mount
• organic carbonate build-up

Size class: mesofossils

Preservation: cast

Primary reference: G. K. Ergaliev and F. G. Ergaliev. 2008. Agnostidy srednego i verkhnego Kembriya Aksayskogo Gosudarstvennogo Geologicheskogo Zakaznika v yushnom Kazakhstane (Kyrshabakty, Malyy Karatau) [Middle and Upper Cambrian Agnostida from the Aksai National Geological Reserve in southern Kazakhstan (Kyrshabakty River, Malyy Karatau Range)] 1-359 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 118905: authorized by Wolfgang Kiessling, entered by Uta Merkel on 18.10.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Asaphida - Dikelocephalidae
Lophosaukia rectangulata
Lophosaukia rectangulata Ergaliev 1980 trilobite
 Asaphida - Remopleurididae
Aktugaiella assurgentis, Ivshinaspis crispa
Aktugaiella assurgentis Ergaliev 1980 trilobite
Ivshinaspis crispa Petrunina 1973 trilobite
 Asaphida - Asaphidae
Niobella kozhuchensis
Niobella kozhuchensis Petrunina 1973 trilobite
 Olenida - Eulomidae
Ketyna ketiensis
Ketyna ketiensis Rozova 1963 trilobite
Artiopoda
 Agnostida - Agnostidae
Neoagnostus tenuispinus
Neoagnostus tenuispinus Ergaliev and Ergaliev 2008