Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Leotiomycetes O.E. Erikss. & Winka (1997)
       Order Rhytismatales M.E.Barr ex Minter (1986)
         Family Cryptomycetaceae Höhn. (1917), nom. inval. see Family Rhytismataceae Chevall. (1826), nom. cons.
           ?Genus Potebniamyces Smerlis (1962)