Locality 550a - Kaskol Bed, East of Bolshoi Kaskol lake. (Ordovician of Kazakhstan)

Where: Kazakhstan (52.3° N, 72.4° E: paleocoordinates 16.8° S, 67.0° E)

When: Climacograptus clingani - Pleurograptus linearis graptolite zone, Tauken Formation, Katian (453.0 - 445.2 Ma)

• corresponds with the upper Anderken and Dulankara regional stages. "Kaskol Bed" is used informally.

• bed-level stratigraphic resolution

Environment/lithology: limestone

• Brachiopods occur in beds and lenses of bioclastic limestone (content of bioclasts on aver− age 40–50%), within a 60 metre thick unit of argillaceous limestone

Size class: macrofossils

Collected by I.F. Nikitin in 1954

Primary reference: I. F. Nikitin, L. E. Popov, and M. G. Bassett. 2003. Late Ordovician brachiopods from the Selety river basin, north Central Kazakhstan. Acta Palaeontologica Polonica 48(1):39-54 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 161989: authorized by Pete Wagner, entered by Pete Wagner on 16.09.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Tetradiida - Tetradiidae
Strophomenata
 Orthotetida - Triplesiidae
Triplesia sp. Hall 1859
 Strophomenida - Sowerbyellidae
"Sowerbyella sinensis" = Sowerbyella (Sowerbyella) sinensis
"Sowerbyella sinensis" = Sowerbyella (Sowerbyella) sinensis Wang and Jin 1964
 Strophomenida - Strophomenidae
Tetraphalerella bestiubensis n. sp. Nikitin et al. 2003
 Strophomenida - Glyptomenidae
Glyptomena kaskolica n. sp. Nikitin et al. 2003
Rhynchonellata
 Rhynchonellida - Rhynchotrematidae
Rhynchotrema seletensis Nikitin et al. 2003
 Orthida - Plaesiomyidae
Dinorthis taukensis Nikitin et al. 2003
 Protorthida - Skenidiidae
Skenidioides sp. Schuchert and Cooper 1931
 Atrypida - Atrypinidae
"Nalivkinia (Pronalivkinia) zvontsovi" = Rongatrypa zvontsovi, Sulcatospira prima
"Nalivkinia (Pronalivkinia) zvontsovi" = Rongatrypa zvontsovi Nikitin et al. 2003
Sulcatospira prima Popov et al. 1999
 Life -
"Khangalites koskolensis" = Khangailites
"Khangalites koskolensis" = Khangailites