Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Dothideomycetes O.E. Erikss. & Winka (1997) Family Schizothyriaceae Höhn. ex Trotter (1928) Genus Hexagonella F.Stevens & Guba ex F.Stevens (1925)