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Article: A new productid brachiopod from the Upper Viséan of Scotland

Publication: Palaeontology
Volume: 9
Part: 3
Publication Date: October 1966
Page(s): 426 447
Author(s): K. A. G. Shiells
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How to Cite

SHIELLS, K. A. G. 1966. A new productid brachiopod from the Upper Viséan of Scotland. Palaeontology9, 3, 426–447.

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Promarginifera trearnensis gen. et sp. nov. a productid brachiopod from the Upper Visean of Ayrshire, Scotland is described. It occurs in the Dockra Limestone 65 ft. below the Visean-Namurian junction. Morphologically the form has affinities with both the marginiferids and dictyoclostids but on the evidence of a marginiferid cardinal process and discontinuous marginal ridges it is classified as a marginiferid of the subfamily Costispiniferinae.
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