Article: The tabulate coral genus Cystihalysites from Wenlock and Dudley

Examination of halysitid corals from the Wenlock Limestone of Shropshire and Worcestershire has revealed a number of colonies with large corallites. These are referred to Cystihalysites, a genus which has not previously been recorded from Britain. Its diagnosis is discussed, and two new species C. westwoodensis and C. blakewayensis are described.