Kyrshabakty River, 1465-21 (Cambrian of Kazakhstan)

Where: Kazakhstan (43.5° N, 70.0° E: paleocoordinates 2.8° S, 99.2° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Goniagnostus nathorsti trilobite zone, Aktas Formation, Zhanaarykian (503.0 - 500.5 Ma)

• sample 1465-21 from unit VI (91.5-132 m) of the Kyrshabakty River section

• bed-level stratigraphic resolution

Environment/lithology: basinal (); lithified lime mudstone

• basin plain
• thin-bedded dark gray carbonate mudstone with thin parallel laminated clayish limestone

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 118099: authorized by Wolfgang Kiessling, entered by Uta Merkel on 06.10.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Artiopoda
 Agnostida - Spinagnostidae
Hypagnostus truncatus Brogger 1878
Hypagnostus parvifrons Linnarsson 1869
 Agnostida - Ptychagnostidae
 Agnostida - Ammagnostidae
 Agnostida - Clavagnostidae