A death assemblage of priapulid worms from the Middle Cambrian Burgess Shale

Author: Bruton D. L.

Source: Lethaia, Volume 34, Number 2, 1 June 2001 , pp. 163-167(5)

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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: ARTHROPODS; BURGESS; SHALE; CAMBRIAN; PRIAPULIDS; SOFT; PARTS

Language: English

Document Type: Research article

Publication date: 2001-06-01

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