Kyrshabakty River, 1346-1 (Cambrian of Kazakhstan)

Where: Kazakhstan (43.5° N, 70.0° E)

• Paleocoordinates: 20.4° S, 39.4° E (Wright 2013)

• coordinate estimated from map

• small collection-level geographic resolution

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

• sample 1346-1 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 118158: authorized by Wolfgang Kiessling, entered by Uta Merkel on 06.10.2011

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Artiopoda
 Agnostida - Peronopsidae
Peronopsis minor
 Agnostida - Ptychagnostidae
"Ptychagnostus aculeatus" = Acidusus aculeatus, Lejopyge armata, "Lejopyge calva" = Lejopyge laevigatus, Goniagnostus spiniger, Pseudophalacroma ovale, Pseudophalacroma dubium
"Ptychagnostus aculeatus" = Acidusus aculeatus Angelin 1851
Lejopyge armata Linnarsson 1869
"Lejopyge calva" = Lejopyge laevigatus Dalman 1828
Goniagnostus spiniger Westergard 1931
Pseudophalacroma dubium Whitehouse 1936
 Agnostida - Agnostidae
Agnostus artilimbatus
 Agnostida - Phalacromidae
Lisogoragnostus mictus
Lisogoragnostus mictus Peng and Robison 2000
 Agnostida - Spinagnostidae
Hypagnostus parvifrons, Hypagnostus brevifrons, Tomagnostella sulcifera, Tomagnostella exsculpta
Hypagnostus parvifrons Linnarsson 1869
Hypagnostus brevifrons Angelin 1851
Tomagnostella sulcifera Wallerius 1895
 Agnostida - Clavagnostidae
Clavagnostus repandus, Clavagnostus calensis
Clavagnostus repandus Westergard 1930
Clavagnostus calensis Rusconi 1950
Trilobita
 Lichida - Damesellidae
Meringaspis karatauensis, "Prodamesella quadrata" = Protaitzehoia quadrata
Meringaspis karatauensis Ergaliev 1980 trilobite
"Prodamesella quadrata" = Protaitzehoia quadrata Resser and Endo 1937 trilobite
 Ptychopariida - Lisaniidae
Lisaniella elongataformis, Lisaniella elongata
Lisaniella elongataformis Ergaliev 1980 trilobite
Lisaniella elongata Chang 1963 trilobite
 Ptychopariida - Catillicephalidae
Pemphigaspis sp., ? Matania sp.
Pemphigaspis sp. Hall 1863 trilobite
? Matania sp. Rasetti 1946 trilobite
 Olenida - Olenidae
Lisania aigawaensis