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 Calosphaeriales M.E.Barr (1983) Family Calosphaeriaceae Munk (1957) Genus Sulcatistroma A.W.Ramaley (2005)