Seven brachiopod species are described from the Middle Devonian Bird Fiord Formation of central Bathurst Island. Costacranaena is a new genus. Schizophoria sulcata, Cupularostrum repetitor, and Costacranena marlenae are new species.The described Bird Fiord fauna occupied a shallow turbid biotope and belongs to an as yet undescribed community. It correlates to the fauna from the mid- or upper Hume Formation of western Canada and is of probable late Eifelian age.

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