Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Dothideomycetes O.E. Erikss. & Winka (1997) Family Cleistosphaeraceae Boonmee & K.D.Hyde (2017), incertae sedis [monotypic] Genus Cleistosphaera Syd. & P.Syd. (1916)