Latest Ordovician age of the Spinachitina fragilis Chitinozoan Biozone in Baltoscandia

Latest Ordovician age of the Spinachitina fragilis Chitinozoan Biozone in Baltoscandia

The global Spinachitina fragilis Chitinozoan Biozone has been considered the lowermost Silurian zone in most publications. S. fragilis was first described from the Ohesaare drill core, Estonia, and utilised as a Baltic regional zonal taxon together with Ancyrochitina laevaensis. Despite its wide geo...

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Bibliographic Details
Main Authors:	Jaak Nõlvak, Yan Liang, Olle Hints
Format:	Article
Language:	English
Published:	Estonian Academy Publishers 2023-06-01
Series:	Estonian Journal of Earth Sciences
Subjects:	chitinozoans biostratigraphy ordovician–silurian boundary beds east baltic
Online Access:	https://kirj.ee/wp-content/plugins/kirj/pub/earth-1-2023-82-85_20230610104516.pdf

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