Article: Palaeogeographical implications of two Silurian shelly faunas from the Arra Mountains and Cratloe Hills, Ireland

A shelly fauna occurring in the Arra Mountains near Ballina, Co. Tipperary, is correlated with a fauna from Ballycar in the Cratloe Hills inlier, South Clare, and assigned to the upper Wenlock. The faunas are considered to have been derived from a shelf area situated to the south-east, and to have been transported north-westwards towards a basin limited south-eastwards and southwards by the Nenagh-Navan Line and by the Gallowshill-Silvermines Fault.