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

被引:10
作者
Eriksson, Mats E. [1 ]
机构
[1] Lund Univ, Geobiosphere Sci Ctr, Dept Geol, SE-22362 Lund, Sweden
关键词
Ireviken Event; benthos; scolecodonts; polychaetes; Silurian; Gotland; Sweden;
D O I
10.1080/11035890601282091
中图分类号
P5 [地质学];
学科分类号
0709 ; 081803 ;
摘要
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.
引用
收藏
页码:91 / 95
页数:5
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