Late Ordovician (Ashgill) ostracodes from the Drummuck Group, Craighead Inlier, Girvan district, SW Scotland

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Abstract
Synopsis: The Lady Burn and South Threave formations of the Drummuck Group (Ashgill Series, anceps Biozone) of the Craighead Inlier, southwest Scotland yield low diversity marine ostracode faunas characterised by the binodicope Kinnekullea comma ( Jones 1879 ), palaeocopes including Euprimites limus sp. nov. and a tetradellid ( Vittella ? sp.), and podocopes. Kinnekullea comma is re-described. It may have widespread correlative value as it occurs in the Portrane Limestone of Ireland and is similar to, and possibly conspecific with, Kinnekullea species from the Ashgill of the Baltic States. The occurrence of typical Baltic ostracodes in the Drummuck Group supports the suggestion that by the late Ordovician the palaeocontinents of Laurentia and Baltica were in close geographical proximity.

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