asexual fungi R.T.Moore (1980) - fungi
   Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
     Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
       Class Eurotiomycetes O.E. Erikss. & Winka (1997)
         Subclass Eurotiomycetidae Tehler ex Geiser & Lutzoni (2007), nom. inval.
           Order Arachnomycetales Gibas, Sigler & Currah (2002)
             1 Family Arachnomycetaceae Gibas, Sigler & Currah (2002)