PBDB Collection

Kyrshabakty River, 1356-1 (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: Acutatagnostus acutatus trilobite zone, Zhumabai Formation, Sakian (497.0 - 492.8 Ma)

• sample 1356-1 from unit VII (132-263 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

• parallel laminated limestone, carbonate turbidite, lime wackestone and packstone of grey and dark grey colour

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 118313: authorized by Wolfgang Kiessling, entered by Uta Merkel on 12.10.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Trilobita
Corynexochida - Cheilocephalidae	Aksayaspis convexus Aksayaspis convexus Ergaliev 2001 trilobite
Corynexochida - Corynexochidae	Corynexochus plumula Corynexochus plumula Whitehouse 1939 trilobite
Ptychopariida - Norwoodiidae	Hardyoides sp. Hardyoides sp. Kobayashi 1938 trilobite
Ptychopariida - Elviniidae	"Parairvingella sp." = Irvingella "Parairvingella sp." = Irvingella Ulrich and Resser 1924 trilobite
Asaphida - Ceratopygidae	Proceratopyge chuhsiensis, Proceratopyge gordonensis, Proceratopyge (Sinoproceratopyge) kiangshanensis, "Proceratopyge cylindrica" = Proceratopyge rectispinata Proceratopyge chuhsiensis trilobite Proceratopyge gordonensis trilobite Proceratopyge (Sinoproceratopyge) kiangshanensis Lu 1964 trilobite "Proceratopyge cylindrica" = Proceratopyge rectispinata Troedsson 1937 trilobite
Olenida - Aphelaspidae	Erixanium carinatum Erixanium carinatum Palmer 1965 trilobite
Harpetida - Entomaspididae	Baikadamaspis proprius Baikadamaspis proprius Ergaliev 1980 trilobite
Lichida - Lichakephalidae	Paraacidaspis hunanica Paraacidaspis hunanica Egorova 1960 trilobite
Artiopoda
Agnostida - Spinagnostidae	Peratagnostus orientalis, Peratagnostus obsoletus Peratagnostus orientalis Lazarenko 1966 Peratagnostus obsoletus Kobayashi 1935
Agnostida - Agnostidae	Oncagnostus tumidosus, Homagnostus brevis, "Oncagnostus aff. hoi" = Homagnostus hoi, Homagnostus seletensis, Homagnostus longiformis, Homagnostus cf. obesus, "Acutatagnostus sp." = Agnostus, Acutatagnostus acutatus, Acutatagnostus punctatus, "Kormagnostella inventa" = Kormagnostus inventus Oncagnostus tumidosus Hall and Whitfield 1877 Homagnostus brevis "Oncagnostus aff. hoi" = Homagnostus hoi Sun 1924 Homagnostus seletensis Ivshin 1962 Homagnostus longiformis Ergaliev 1980 Homagnostus cf. obesus Belt 1867 "Acutatagnostus sp." = Agnostus Brongniart 1822 Acutatagnostus acutatus Ergaliev 1980 Acutatagnostus punctatus Ergaliev and Ergaliev 2008 "Kormagnostella inventa" = Kormagnostus inventus Shergold 1982
Agnostida - Diplagnostidae	Pseudagnostus "sp. 4", Pseudagnostus communis, Pseudagnostus idalis, Pseudagnostus leptoplastorum, Pseudagnostus cyclopyge Pseudagnostus "sp. 4" Jaekel 1909 Pseudagnostus communis Hall and Whitfield 1877 Pseudagnostus idalis Opik 1967 Pseudagnostus leptoplastorum Westergard 1944 Pseudagnostus cyclopyge Tullberg 1880
Agnostida -	Phaldagnostus orbiformis Phaldagnostus orbiformis Ivshin 1960