PBDB Collection

Kyrshabakty River, 1465-22 (Cambrian of Kazakhstan)

Where: Kazakhstan (43.5° N, 70.0° E: paleocoordinates 2.8° S, 99.2° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Goniagnostus nathorsti trilobite zone, Aktas Formation, Zhanaarykian (503.0 - 500.5 Ma)

• sample 1465-22 from unit VI (91.5-132 m) of the Kyrshabakty River section (Ergaliev 2008)

• bed-level stratigraphic resolution

Environment/lithology: basinal (); lithified lime mudstone

• basin plain

• thin-bedded dark gray carbonate mudstone with thin parallel laminated clayish limestone (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 9961: 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

Show authors, comments, and common names

Artiopoda
Agnostida - Peronopsidae	Peronopsis fallax¹ Peronopsis fallax¹ Linnarsson 1869
Agnostida - Ammagnostidae	Ammagnostus cf. incertus¹, Ammagnostus laiwuensis¹, Ammagnostus spinosus¹ Ammagnostus cf. incertus¹ Robison 1964 Ammagnostus laiwuensis¹ Lorenz 1906 Ammagnostus spinosus¹ Ergaliev and Ergaliev 2008
Agnostida - Phalacromidae	Lisogoragnostus mictus¹ Lisogoragnostus mictus¹ Peng and Robison 2000
Agnostida - Diplagnostidae	Diplagnostus pyriformis¹ Diplagnostus pyriformis¹ Ergaliev and Ergaliev 2008
Agnostida - Ptychagnostidae	Pseudophalacroma ovale¹, Pseudophalacroma dubium¹, Goniagnostus nathorsti¹ Pseudophalacroma ovale¹ Yang 1982 Pseudophalacroma dubium¹ Whitehouse 1936 Goniagnostus nathorsti¹ Brogger 1878
Agnostida - Spinagnostidae	Tomagnostella cf. sulcifera¹, Tomagnostella sulcifera¹, Tomagnostella exsculpta¹, Hypagnostus truncatus¹, Hypagnostus parvifrons¹, Pseudoperonopsis karatauensis¹ Tomagnostella cf. sulcifera¹ Wallerius 1895 Tomagnostella sulcifera¹ Wallerius 1895 Tomagnostella exsculpta¹ Angelin 1851 Hypagnostus truncatus¹ Brogger 1878 Hypagnostus parvifrons¹ Linnarsson 1869 Pseudoperonopsis karatauensis¹ Ergaliev and Ergaliev 2008
Lingulata
Acrotretida - Acrotretidae	"Linnarssonia captiosa" = Linnarssonia captiosa², "Linnarssonia ventosa" = Linnarssonia captiosa, Anabolotreta lepida² "Linnarssonia captiosa" = Linnarssonia captiosa² Koneva 1990 "Linnarssonia ventosa" = Linnarssonia captiosa Koneva 1990 Anabolotreta lepida² Koneva 1986

¹Ergaliev and Ergaliev 2008; ²Holmer et al. 2001