Impact of the Silurian Ireviken Event on polychaete faunas: new insights from the Viki drill core, western Estonia

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Abstract

The impact of the Llandovery-Wenlock Ireviken Event (IE) on the jawed polychaete faunas is explored in this study, based on new data on scolecodonts from the Viki drill core of western Estonia. A distinct faunal reorganisation is observed, with the most abrupt changes recorded between datum points 4 and 6 of the IE, which coincides with the major turnover interval of other fossil groups. Based on what is now known, polychaetaspids and mochtyellids suffered most severely during the event, whereas the members of other families seem to have been less affected.

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Subject classification (UKÄ) – MANDATORY

  • Geology

Keywords

  • Ireviken Event, Silurian, scolecodonts, polychaetes, Estonia
Original languageEnglish
Pages (from-to)270-274
JournalGFF
Volume136
Issue number1
Publication statusPublished - 2014
Publication categoryResearch
Peer-reviewedYes