Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Leotiomycetes O.E. Erikss. & Winka (1997) Order Helotiales Nannf. (1932) Family Ascocorticiaceae J.Schröt. (1893) Genus Ascocorticiellum Jülich & B. de Vries (1982)