A fossilized marble run

the peculiar taphonomy of Ordovician diploporitan blastozoans from Sweden

Christian Klug, Alexander Pohle, Steffen Kiel, Björn Kröger

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Sammanfattning

Diploporitans had subspherical thecae, which usually were attached to hard substrates either directly with an attachment disc at the base of their theca or with a stem and holdfast. After the death of the animal, isolated thecae were easily transported by currents over more or less consolidated sediment. We describe a case where 13 diploporitan thecae were trapped in the remains of a cephalopod with an orthoconic conch. Most of the thecae show a perfect fit and are size-sorted within the conch or siphuncle. We discuss the taphonomic processes that might have been involved in this rare kind of alignment and sorting.

Originalspråkengelska
TidskriftSwiss Journal of Palaeontology
Volym137
Utgåva2
Sidor (från-till)405–411
Antal sidor7
ISSN1664-2376
DOI
StatusPublicerad - dec 2018
MoE-publikationstypA1 Tidskriftsartikel-refererad

Vetenskapsgrenar

  • 1171 Geovetenskaper

Citera det här

Klug, Christian ; Pohle, Alexander ; Kiel, Steffen ; Kröger, Björn. / A fossilized marble run : the peculiar taphonomy of Ordovician diploporitan blastozoans from Sweden. I: Swiss Journal of Palaeontology. 2018 ; Vol. 137, Nr. 2. s. 405–411.
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A fossilized marble run : the peculiar taphonomy of Ordovician diploporitan blastozoans from Sweden. / Klug, Christian; Pohle, Alexander; Kiel, Steffen; Kröger, Björn.

I: Swiss Journal of Palaeontology, Vol. 137, Nr. 2, 12.2018, s. 405–411.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

TY - JOUR

T1 - A fossilized marble run

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AU - Klug, Christian

AU - Pohle, Alexander

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AU - Kröger, Björn

PY - 2018/12

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AB - Diploporitans had subspherical thecae, which usually were attached to hard substrates either directly with an attachment disc at the base of their theca or with a stem and holdfast. After the death of the animal, isolated thecae were easily transported by currents over more or less consolidated sediment. We describe a case where 13 diploporitan thecae were trapped in the remains of a cephalopod with an orthoconic conch. Most of the thecae show a perfect fit and are size-sorted within the conch or siphuncle. We discuss the taphonomic processes that might have been involved in this rare kind of alignment and sorting.

KW - Diploporita

KW - Rhombifera

KW - Endocerida

KW - Ordovician

KW - Taphonomy

KW - Alignment

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