Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Eurotiomycetes O.E. Erikss. & Winka (1997)
       Subclass Chaetothyriomycetidae Doweld (2001)
         1 Order Chaetothyriales M.E.Barr (1987)
         2 Order Pyrenulales Fink ex D.Hawksw. & O.E. Erikss. (1986)
         3 Order Verrucariales Mattick ex D.Hawksw. & O.E. Erikss. (1986)
         4 Family Rhynchostomataceae Winka & O.E. Erikss. (2000)
         5 Family Strigulaceae Zahlbr. (1898)
         6 Genus Glyphium Nitschke ex F. Lehm. (1886)