PBDB Collection

Kyrshabakty River, 1400-4 (Cambrian of Kazakhstan)

Where: Kazakhstan (43.5° N, 70.0° E)

• Paleocoordinates: 25.9° S, 44.2° E (Wright 2013)

• coordinate estimated from map

• small collection-level geographic resolution

When: Lotagnostus (Eolotagnostus) scrobicularis-Jegorovaia trilobite zone, Bestogai Formation, Aksaian (492.8 - 491.5 Ma)

• sample 1400-4 from unit XI (415-530 m) of the Kyrshabakty River section

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified lime mudstone and lithified wackestone

• inner fan feeder channels; 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)

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 118872: authorized by Wolfgang Kiessling, entered by Uta Merkel on 17.10.2011, edited by Marcus Domansky and Bethany Allen

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names

Artiopoda
Agnostida - Diplagnostidae	Rhaptagnostus clarki cauliformis, Rhaptagnostus clarki pilaformis, "Rhaptagnostus impressus" = Pseudagnostus, Rhaptagnostus bifax, Rhaptagnostus gunnari, Rhaptagnostus ciliensis, Sulcatagnostus rugosus, Pseudagnostus punctatus Rhaptagnostus clarki cauliformis Rhaptagnostus clarki pilaformis "Rhaptagnostus impressus" = Pseudagnostus Rhaptagnostus bifax Shergold 1975 Rhaptagnostus gunnari Ludvigsen et al. 1989 Rhaptagnostus ciliensis Peng 1992 Sulcatagnostus rugosus Ergaliev 1980 Pseudagnostus punctatus Ergaliev and Ergaliev 2008
Agnostida - Agnostidae	Micragnostus brevispinus, Micragnostus curvata, Neoagnostus quasibilobus, Neoagnostus aff. shiziluensis, Lotagnostus (Eolotagnostus) agnostiformis, Lotagnostus (Eolotagnostus) pseudohedini, Lotagnostus (Eolotagnostus) scrobicularis, Lotagnostus (Eolotagnostus) cristus, Trilobagnostus ex gr. holmi Micragnostus brevispinus Lermontova 1951 Micragnostus curvata Robison and Pantoja-Alor 1968 Neoagnostus quasibilobus Shergold 1975 Neoagnostus aff. shiziluensis Lu and Zhou 1990 Lotagnostus (Eolotagnostus) agnostiformis Apollonov and Tschugaeva 1983 Lotagnostus (Eolotagnostus) pseudohedini Ergaliev and Ergaliev 2008 Lotagnostus (Eolotagnostus) scrobicularis Ergaliev 1980 Lotagnostus (Eolotagnostus) cristus Ergaliev and Ergaliev 2008 Trilobagnostus ex gr. holmi
Trilobita
Trinucleida - Alsataspididae	Jegorovaia expansa¹ Jegorovaia expansa¹ Lu 1964 trilobite
Olenida - Olenidae	Chekiangaspis karatauensis¹ Chekiangaspis karatauensis¹ Ergaliev 1980 trilobite
Olenida - Eulomidae	Ketyna karatauensis¹, Probilacunaspis prolatus¹ Ketyna karatauensis¹ Lisogor 1977 trilobite Probilacunaspis prolatus¹ Ergaliev 1980 trilobite
Lingulata
Lingulida - Obolidae	Experilingula divulgata² Experilingula divulgata² Koneva and Popov 1983

¹Ergaliev 2009; ²Holmer et al. 2001