Kyrshabakty River, 1314 (Cambrian of Kazakhstan)

Where: Kazakhstan (43.5° N, 70.0° E: paleocoordinates 0.7° S, 100.8° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Peronopsis ultimus trilobite zone, Amgan (513.0 - 505.0 Ma)

• sample 1314 from unit IV (0-10 m) of the Kyrshabakty River section (Ergaliev 2008)

• bed-level stratigraphic resolution

Environment/lithology: deep-water; lithified, argillaceous limestone

• "parallel-laminated thin bedded argillaceous carbonate shales of brownish and dark-brownish colour" (Ergaliev 2008)

Size class: mesofossils

Preservation: cast

Primary reference: S. N. Koneva. 1990. New Middle Cambrian Acrotretids (Brachiopods) from the Lesser Karatau Range. Paleontological Journal 24(3):45-55 [M. Patzkowsky/P. Borkow/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 9973: authorized by Mark Patzkowsky, entered by Phil Borkow on 05.02.2001, edited by Uta Merkel and Marcus Domansky

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Trilobita
 Corynexochida - Oryctocephalidae
Tonkinella flexa1 trilobite
Tonkinella optima1 trilobite
 Corynexochida - Dorypygidae
 Agnostida - Peronopsidae
Peronopsis curtus2 Ergaliev and Ergaliev 2008 trilobite
Peronopsis elongatus2 Ergaliev and Ergaliev 2008 trilobite
Peronopsis ultimus2 Ergaliev 1980 trilobite
Peronopsis fallax2 Linnarsson 1869 trilobite
Peronopsis intermedius2 Ergaliev and Ergaliev 2008 trilobite
 Agnostida - Solenopleuridae
 Agnostida - Diplagnostidae
Baltagnostus magnificus n. sp.2 Ergaliev and Ergaliev 2008 trilobite
Baltagnostus rakuroensis2 Kobayashi 1935 trilobite
Diplagnostus pseudofloralis n. sp.2 Ergaliev and Ergaliev 2008 trilobite
 Agnostida - Ptychagnostidae
Pentagnostus shabaktensis n. sp.2 Ergaliev and Ergaliev 2008 trilobite
Onymagnostus cuneiformis2 Ergaliev and Ergaliev 2008 trilobite
 Ptychopariida - Proasaphiscidae
Lingulata
 Acrotretida - Acrotretidae
Stilpnotreta tecta Koneva 1990
Prototreta venusta Koneva 1990
 Lingulida - Obolidae
Aksarinaia triquetra3 Koneva 1992
 Lingulida - Kyrshabaktellidae
Kyrshabaktella certa3 Ushatinskaya and in Pelman 1992
 Lingulida - Zhanatellidae