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Brachiopoda from the Soom Shale Lagerstätte (Upper Ordovician, South Africa)

Published online by Cambridge University Press:  14 July 2015

Michael G. Bassett ,
Leonid E. Popov ,
Richard J. Aldridge ,
Sarah E. Gabbott  and
Johannes N. Theron
Michael G. Bassett
Affiliation:
1Department of Geology, National Museum of Wales, Cardiff, CF10 3NP, Wales, U.K., ,
Leonid E. Popov
Affiliation:
1Department of Geology, National Museum of Wales, Cardiff, CF10 3NP, Wales, U.K., ,
Richard J. Aldridge
Affiliation:
2Department of Geology, University of Leicester, Leicester, LE1 7RH, U.K., ,
Sarah E. Gabbott
Affiliation:
2Department of Geology, University of Leicester, Leicester, LE1 7RH, U.K., ,
Johannes N. Theron
Affiliation:
3Department of Geology, University of Stellenbosch, Private Bag XI, Stellenbosch 7602, South Africa
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Abstract

Within the Soom Shale Lagerstätte of South Africa (Upper Ordovician, Hirnantian), two brachiopod taxa preserve traces of organic tissue. In Trematis, presumed bands of periostracum are preserved on the flanks of the pedicle notch, and clay mineral casts of the pedicle are preserved in many specimens of Kosoidea. Both these genera are organophosphatic-shelled Linguliformea, together with a third genus identified as Plectoglossa. A fourth brachiopod taxon in the fauna belongs within the calcitic-shelled Rhynchonelliformea (Plectothyrella). Kosoidea cedarbergensis is a new species of discinoidean.

Type
Research Article
Information
Journal of Paleontology , Volume 83 , Issue 4 , July 2009 , pp. 614 - 623
Copyright
Copyright © The Paleontological Society 

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