Kyrshabakty River, 1360 (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: Ivshinagnostus ivshini-Irvingella major trilobite zone, Zhumabai Formation, Sakian (497.0 - 492.8 Ma)

• sample 1360 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), pebble flat breccia of debris flow deposits

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 118348: authorized by Wolfgang Kiessling, entered by Uta Merkel on 13.10.2011, edited by Marcus Domansky

Creative Commons license: CC BY (attribution)

Taxonomic list

Lingulata
 Lingulida - Lingulellotretidae
Aboriginella denudata2 Koneva 1983
 Acrotretida - Acrotretidae
Quadrisonia minor2 Rowell and Henderson 1978
Artiopoda
 Agnostida - Agnostidae
"Kormagnostella inventa" = Kormagnostus inventus Shergold 1982
Ivshinagnostus ivshini Ergaliev 1980
Trilobagnostus convexus n. sp. Ergaliev and Ergaliev 2008
Trilobagnostus pseudorudis Ergaliev and Ergaliev 2008
 Agnostida -
 Agnostida - Spinagnostidae
Peratagnostus orientalis Lazarenko 1966
 Agnostida - Pseudagnostidae
Yongwolagnostus longiformis Ergaliev and Ergaliev 2008
 Agnostida - Diplagnostidae
Trilobita
 Corynexochida - Corynexochidae
Corynexochus plumula1 Whitehouse 1939 trilobite
 Olenida - Aphelaspidae
Olenaspella consimila1 Ergaliev 1980 trilobite
 Olenida - Pterocephaliidae
"Olenaspella borealis" = Rybniites (Rybniites) borealis1
"Olenaspella borealis" = Rybniites (Rybniites) borealis1 Lermontova 1940 trilobite
 Olenida - Idahoiidae
Maladioidella cf. doylei1 Shergold 1980 trilobite
 Olenida - Olenidae
Olenus sp.1 Dalman 1827 trilobite
 Trinucleida - Liostracinidae
Aplexura sp.1 Rozova 1963 trilobite
 Asaphida - Asaphidae
 Asaphida - Ceratopygidae
"Iwayaspis sp." = Pseudoyuepingia1 Chien 1961 trilobite
 Ptychopariida - Norwoodiidae
Hardyoides sp.1 Kobayashi 1938 trilobite
 Ptychopariida - Ptychopariidae
Entsyna sp.1 Rozova 1968 trilobite
 Ptychopariida - Catillicephalidae
Onchonotellus abnormis1 Ivshin 1956 trilobite
 Lichida - Lichakephalidae
Paraacidaspis hunanica1 Egorova 1960 trilobite