Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Lecanoromycetes O.E. Erikss. & Winka (1997)
       Subclass Ostropomycetidae V. Reeb, Lutzoni & Cl.Roux (2004)
         Order Trichotheliales Hafellner & Kalb (1995) see Order Ostropales Nannf. (1932)
           1 Family Myeloconidaceae P.M. McCarthy (2001) see Family Porinaceae Rchb. (1828)
           2 Family Porinaceae Rchb. (1828)
           3 Genus Amphorothecium P.M. McCarthy, Kantvilas & Elix (2001)