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) Family Phacidiaceae Fr. (1821) 1 Genus Allantophomopsiella Crous (2014) 2 Genus Allantophomopsis Petr. (1925) 3 Genus Bulgaria Fr. (1822), nom. sanct. 4 Genus Darkera H.S. Whitney, J. Reid & Piroz. (1975) 5 Genus Lophophacidium Lagerb. (1949) 6 Genus Phacidium Fr. (1815), nom. sanct., nom. cons. 7 Genus Phacidiopycnis Potebnia (1912) 8 Genus Pseudophacidium P.Karst. (1885) 9 Genus Starbaeckia Rehm ex Starbäck (1899)