Askyn River, sample 18 (Carboniferous of Russian Federation)

Where: Bashkortostan, Russian Federation (54.3° N, 57.0° E: paleocoordinates 17.7° N, 35.7° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Akavassky Formation, Bashkirian (323.2 - 315.2 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: microfossils

Collected by H.R. Lane in 1975; reposited in the SUI

Collection methods: peel or thin section

• Collected in 1975 by H. R. Lane while participating on a field excursion to the south Urals in connection with the Eighth International Congress on Carboniferous Stratigraphy and Geology (Moscow).

Primary reference: J. R. Groves. 1988. Calcareous foraminifers from the Bashkirian Stratotype (Middle Carboniferous, South Urals)and their significance for intercontinental correlations and the evolution of the Fusulinidae. Journal of Paleontology 62:368-399 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 129111: authorized by Matthew Clapham, entered by Matthew Clapham on 20.06.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Foraminifera
  -
Palaeonubecularia sp. Reitlinger 1950
 Fusulinina - Pseudoammodiscidae
 Endothyroidea - Endothyridae
 Fusulinoidea - Pseudostaffellidae
Pseudostaffella sp. Thompson 1942
 Fusulinoidea - Eostaffellidae
Eostaffella sp. Rauser-Chernousova 1948
Eostaffella pinguis Thompson 1944
Mediocris breviscula Ganelina 1951
 Palaeotextularoidea - Biseriamminidae
Biseriella parva Chernysheva 1948
 Archaediscacea - Archaediscidae
 Tetrataxoidea - Tetrataxidae
Tetrataxis sp. Ehrenberg 1854