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May 9, 2026Russian Geology and Geophysics

CAMBRIAN BRACHIOPODS OF THE SUBPHYLUM RHYNCHONELLIFORMEA FROM THE SIBERIAN PLATFORM ( systematic composition, facies association, and paleogeographic distribution )

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Authors

DID.A. IlyinIKI.V. Korovnikov

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Overview

Systematic analysis of Cambrian brachiopods reveals taxonomic composition and paleogeographic distribution.

Key Points

  • The aim is to identify the systematic composition of Cambrian brachiopods from the Siberian Platform.
  • Analyzed published data and brachiopod collections.
  • Described 50 species and 1 genus-level taxon across various classifications.
  • Identified six distinct associations based on taxonomic composition and distribution.
  • Most representative brachiopods belong to the class Obolellata, allowing for correlation with Lower Cambrian deposits.
  • Eight out of ten Siberian species of Billingsella are endemic, useful for genus-level correlation.
  • Other classes have lower correlation potential, though some are found globally for distant section correlation.

Cite This Study

Ilyin et al. (2026) studied this question.

synapsesocial.com/papers/69fed16ab9154b0b82878b1ehttps://doi.org/10.2113/rgg20264938
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