Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Leotiomycetes O.E. Erikss. & Winka (1997) Order Rhytismatales M.E.Barr ex Minter (1986) Family Cudoniaceae P.F. Cannon (2001) Genus Spathularia Pers. (1794), nom. sanct.