Kyrshabakty River, 1357-5 (Cambrian of Kazakhstan)

Where: Kazakhstan (43.5° N, 70.0° E: paleocoordinates 6.0° S, 95.1° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Pseudagnostus vastulus-Irvingella tropica trilobite zone, Zhumabai Formation, Sakian (497.0 - 492.8 Ma)

• sample 1357-5 from unit VIII (263-308 m) of the Kyrshabakty River section

• bed-level stratigraphic resolution

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

• outer fan lobe; 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: 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 118339: authorized by Wolfgang Kiessling, entered by Uta Merkel on 12.10.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Lichida - Lichakephalidae
Paraacidaspis hunanica Egorova 1960 trilobite
 Corynexochida - Corynexochidae
Corynexochus plumula Whitehouse 1939 trilobite
 Asaphida - Asaphidae
 Asaphida - Ceratopygidae
 Ptychopariida - Elviniidae
Irvingella tropica Opik 1963 trilobite
 Ptychopariida - Norwoodiidae
Hardyoides sp. Kobayashi 1938 trilobite
 Olenida - Pterocephaliidae
"Olenaspella borealis" = Rybniites (Rybniites) borealis
"Olenaspella borealis" = Rybniites (Rybniites) borealis Lermontova 1940 trilobite
 Olenida - Aphelaspidae
Olenaspella consimila Ergaliev 1980 trilobite
Artiopoda
 Agnostida - Agnostidae
 Agnostida -
Phaldagnostus obsurdus Ergaliev 1980