Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Superclass Leotiomyceta O.E. Erikss. & Winka (1997)
       Class Chaetothyriomycetes O.E. Erikss. & Winka (1997) see Subclass Chaetothyriomycetidae Doweld (2001)
         Order Chaetothyriales M.E.Barr (1987)
           1 Family Herpotrichiellaceae Munk (1953)
           2 Family Chaetothyriaceae Hansf. ex M.E.Barr (1979)