asexual fungi R.T.Moore (1980) - fungi
   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 Anamorph genus Allantophomopsiella Crous (2014)
             2 Anamorph genus Allantophomopsis Petr. (1925)
             3 Genus Darkera H.S. Whitney, J. Reid & Piroz. (1975)
             4 Genus Phacidiopycnis Potebnia (1912)
             5 Genus Phacidium Fr. (1815), nom. sanct., nom. cons.