Kyrshabakty River, 1346-5 (Cambrian of Kazakhstan)

Where: Kazakhstan (43.5° N, 70.0° E: paleocoordinates 3.2° S, 98.9° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Lejopyge laevigata trilobite zone, Zhumabai Formation, Ayusokkanian (499.5 - 497.0 Ma)

• sample 1346-5 from unit VI (91.5-132 m) of the Kyrshabakty River section

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified lime mudstone

• outer fan fringe; slope of an isolated carbonate platform known as the Aisha-Bibi sea-mount
• 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 118164: authorized by Wolfgang Kiessling, entered by Uta Merkel on 06.10.2011, edited by Marcus Domansky

Creative Commons license: CC BY (attribution)

Taxonomic list

Lingulata
 Acrotretida - Acrotretidae
Trilobita
 Olenida - Olenidae
 Lichida - Damesellidae
Meringaspis karatauensis1 Ergaliev 1980 trilobite
 Ptychopariida - Lisaniidae
Lisaniella elongataformis1 Ergaliev 1980 trilobite
Lisaniella elongata1 Chang 1963 trilobite
Artiopoda
 Agnostida - Peronopsidae
 Agnostida - Clavagnostidae
Clavagnostus calensis Rusconi 1950
Clavagnostus repandus Westergard 1930
 Agnostida - Phalacromidae
Lisogoragnostus mictus Peng and Robison 2000
 Agnostida - Ptychagnostidae
"Ptychagnostus aculeatus" = Acidusus aculeatus, Goniagnostus spiniger, Lejopyge armata, "Lejopyge calva" = Lejopyge laevigatus
"Ptychagnostus aculeatus" = Acidusus aculeatus Angelin 1851
Goniagnostus spiniger Westergard 1931
Lejopyge armata Linnarsson 1869
"Lejopyge calva" = Lejopyge laevigatus Dalman 1828
 Agnostida - Spinagnostidae
Hypagnostus parvifrons Linnarsson 1869
Hypagnostus brevifrons Angelin 1851
Tomagnostella sulcifera Wallerius 1895