The Silurian Ireviken Event and vagile benthic faunal turnovers (Polychaeta; Eunicida) on Gotland, Sweden

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Abstract

Genus-level relative frequency changes, based on scolecodont data, show that the polychaete faunas went through dramatic turnovers during the Llandovery-Wenlock Ireviken Event on Gotland. In addition several taxa show range ends (FADs and LADs) and gaps in this interval; at least 20% of the lineages disappeared or became extinct during the event. Datum points 2 and 4 seem to have been particularly harsh. This is the first detailed data set showing the effects of the Ireviken Event on vagrant benthos.
Original languageEnglish
Pages (from-to)91-95
JournalGFF
Volume128
Issue number2
Publication statusPublished - 2006

Subject classification (UKÄ)

  • Geology

Keywords

  • Gotland
  • Silurian
  • polychaetes
  • scolecodonts
  • Ireviken Event
  • benthos
  • Sweden

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