Chaetosphaeriaceae, a new family for Chaetosphaeria and its relatives

The systematic position of the genus Chaetosphaeria, among pyrenomycetous a scomycetes is discussed. The families Lasiosphaeriaceae, Helminthosphaeriac eae and Trichosphaeriaceae are rejected as possible families for Chaetospha eria. A new family, Chaetosphaeriaceae (Sordariales) is introduced for Chae tosphaeria and for other closely related genera, including Ascocodinaea., M elanochaeta, Melanopsammella, Porosphaerella, Porosphaerellopsis and Striat osphaeria. Anamorphs are dematiaceous and phialidic; they include the gener a Catenularia, Cylindrotrichum, Chalara, Chloridium, Cordana, Custingophora , Dictyochaeta, Gonytrichum, Menispora, Phialophora, Sporoschisma, Sporosch ismopsis and Zanclospora. A dichotomous key to genera of the Chaetosphaeria ceae is provided. The accepted genera are listed along with synonymy, brief descriptions and other references.