Middle Devonian brachiopods from the Bird Fiord Formation of Bathurst Island, Arctic Canada

Abstract

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.