Mass concentration of Hirnantian cephalopods from the Siljan District, Sweden; taxonomy, palaeoecology and palaeobiogeographic relationships
The Hirnantian Glisstjärn Formation (Normalograptus persculptus graptolite Biozone) is a succession of limestones and shales onlapping the Katian Boda Limestone in the Siljan District, Sweden. It contains a conspicuous, up to several decimeter thick bed densely packed with bipolarly oriented, orthoc...
Main Authors: | , , , |
---|---|
Format: | Article |
Language: | English |
Published: |
Pensoft Publishers
2011-02-01
|
Series: | Fossil Record |
Online Access: | https://fr.pensoft.net/article/30425/download/pdf/ |