Shiells, K. P. G. (1966). A new productid brachiopod from the upper Visean of Scotland. Palaeontology. 9: 426-447, plate 67.

498632

Shiells, K. P. G.

1966

9: 426-447, plate 67.

Publication

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.

Brachiopoda

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