Kingdom Fungi R.T.Moore (1980) - fungi
   Subkingdom Dikarya Hibbett, T.Y. James & Vilgalys (2007)
     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)
             Order Verrucariales Mattick ex D.Hawksw. & O.E. Erikss. (1986)
               Genus Polyblastia A.Massal. (1852), nom. cons.