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 Arachnopezizaceae Hosoya, J.G. Han & Baral (2015) Genus Arachnopeziza Fuckel (1870)