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The micromorphic articulate brachiopod Gwynia from the western approaches, UK

Published online by Cambridge University Press:  20 May 2016

David A. T. Harper ,
Stephen K. Donovan  and
Cornelis J. Veltkamp
David A. T. Harper
Affiliation:
Department of Geology, University College, Galway, Ireland
Stephen K. Donovan
Affiliation:
Department of Geology, University of the West Indies, Mona, Kingston 7, Jamaica
Cornelis J. Veltkamp
Affiliation:
Department of Environmental and Evolutionary Biology, University of Liverpool, PO Box 147, Liverpool L69 3BX, England
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Extract

The micromorphic brachiopod genus Gwynia was established by William King (1859) on the basis of specimens described by Gwyn Jeffreys (1859) from the coast of Normandy and Belfast Lough. Additional, unpublished records of the genus from Larne and Portrush, collected by Dickie, Hyndman and Waller during the 1850s, were the last sightings of the taxon around Ireland (Massy, 1925). Despite the distinctive characteristics of the genus, Davidson (1861, p. 39) considered it had yet to be sufficiently determined whereas others (see Brunton and Curry, 1979, p. 46) have suggested the genus may be an immature form of Argyrotheca cistellula (Searles-Wood) with which Gwynia often co-occurs. However, that species is consistently transverse with marked exopunctae.

Type
Paleontological Notes
Information
Journal of Paleontology , Volume 70 , Issue 2 , March 1996 , pp. 331 - 333
Copyright
Copyright © The Paleontological Society 

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