Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Dothideomycetes O.E. Erikss. & Winka (1997) Family Nematotheciaceae Boonmee & K.D.Hyde (2017), incertae sedis Genus Nematothecium Syd. & P.Syd. (1912)