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 Baeomycetales Lumbsch, Huhndorf & Lutzoni (2007)
           1 Family Baeomycetaceae Dumort. (1829)
           2 Family Cameroniaceae Kantvilas & Lumbsch (2012) [monotypic]