A death assemblage of priapulid worms from the Middle Cambrian Burgess Shale
- 1 June 2001
- journal article
- Published by Scandinavian University Press / Universitetsforlaget AS in Lethaia
- Vol. 34 (2) , 163-167
- https://doi.org/10.1080/00241160152418456
Abstract
A slab of Burgess Shale (Middle Cambrian), displaying an incomplete exoskeleton of the large arthropod Sidneyia inexpectans and encompassed by nine specimens of the priapulid worm Ottoia prolifica, is interpreted as a death assemblage, with the worms once living off or feeding around a carcass or freshly moulted instar of Sidneyia. Death is thought to have been caused by an obrution event that preserved the organisms in situ.Keywords
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