Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Sordariomycetes O.E. Erikss. & Winka (1997) Subclass Diaporthomycetidae Senan., Maharachch. & K.D.Hyde (2015) Order Diaporthales Nannf. (1932) Family Pseudoplagiostomataceae Cheew., M.J. Wingf. & Crous (2010) [monotypic] Genus Pseudoplagiostoma Cheew., M.J. Wingf. & Crous (2010)