Synopsis

Conodonts in a sample collected from the Margie Limestone in an abandoned quarry along the bank of the River North Esk near Edzell include elements of the apparatuses of Paracordylodus gracilis Lindström and of a species tentatively reported herein as Prioniodus sp. These conodonts are widely distributed globally in Arenigian strata (late Tremadocian and Floian Stages) that were deposited under cold-water conditions. Their presence is not consistent with the earlier report of Caradocian chitinozoans from the Margie Limestone, but they support previous physical comparisons with the Dounans Limestone in the Aberfoyle area.

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