Kyrshabakty River, 1361-2 (Cambrian of Kazakhstan)

Where: Kazakhstan (43.5° N, 70.0° E)

• Paleocoordinates: 25.4° S, 43.7° E (Wright 2013)

• 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 1361-2 from unit IX (308-350 m) of the Kyrshabakty River section

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified limestone

• outer fan lobe; slope of an isolated carbonate platform known as the Aisha-Bibi sea-mount
• thin bedded dark grey 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 118372: authorized by Wolfgang Kiessling, entered by Uta Merkel on 13.10.2011, edited by Marcus Domansky

Creative Commons license: CC0 (CC0)

Taxonomic list

Trilobita
 Corynexochida - Kaolishaniidae
Liaotropis tropis1 Schrank 1975 trilobite
 Olenida - Idahoiidae
Maladioidella cf. doylei1 Shergold 1980 trilobite
 Olenida - Eulomidae
 Asaphida - Ceratopygidae
"Iwayaspis sp." = Pseudoyuepingia1 Chien 1961 trilobite
 Ptychopariida - Liostracinidae
Aplexura sp.1 Rozova 1963 trilobite
 Ptychopariida - Catillicephalidae
Onchonotellus abnormis1 Ivshin 1956 trilobite
Artiopoda
 Agnostida - Agnostidae
Ivshinagnostus ivshini Ergaliev 1980
 Agnostida -
 Agnostida - Spinagnostidae
Peratagnostus orientalis Lazarenko 1966
 Agnostida - Diplagnostidae
Lingulata
 Lingulida - Zhanatellidae
Zhanatella rotunda2 Koneva 1986