Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Eurotiomycetes O.E. Erikss. & Winka (1997)
       Subclass Eurotiomycetidae Doweld (2001)
         Order Eurotiales G.W. Martin ex Benny & Kimbr. (1980)
           Family Trichocomaceae E. Fisch. (1897)
             Genus Dichotomomyces Saito ex D.B. Scott (1970) see Genus Aspergillus P. Micheli ex Haller (1768), nom. sanct.