Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Leotiomycetes O.E. Erikss. & Winka (1997) Order Phacidiales Bessey (1907) Genus Coma Nag Raj & W.B. Kendr. (1972), incertae sedis