A newly discovered brachiopod fauna from the Hilltown Formation (lower Llanvirn), Bellewstown Terrane, eastern Ireland, contains elements more typical of sites within the Iapetus Ocean than those associated with the bordering platform provinces. The association of Paralenorthis, "Ahtiella," and Jaanussonites suggests a comparison with the more diverse fauna of the Summerford Group on New World Island, central Newfoundland, and correlation of the Bellewstown Terrane of the Irish Caledonides with parts of the Dunnage and, possibly, Gander terranes of the northern Appalachians.

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