Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Dothideomycetes O.E. Erikss. & Winka (1997)
       Subclass Dothideomycetidae P.M.Kirk, P.F. Cannon, J.C. David & Stalpers ex C.L. Schoch, Spatafora, Crous & Shoemaker (2007)
         Order Capnodiales Woron. (1925)
           Family Phaeothecoidiellaceae K.D.Hyde & Hongsanan (2017)
             1 Genus Chaetothyrina Theiss. (1913)
             2 Genus Exopassalora Videira & Crous (2017)
             3 Genus Houjia G.Y. Sun & Crous (2010)
             4 Genus Phaeothecoidiella Batzer & Crous (2010)
             5 Genus Sporidesmajora Batzer & Crous (2010)