Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Dothideomycetes O.E. Erikss. & Winka (1997)
       Subclass Pleosporomycetidae C.L. Schoch, Spatafora, Crous & Shoemaker (2007)
         Order Pleosporales Luttr. ex M.E.Barr (1987)
           Family Tetraplosphaeriaceae Kaz.Tanaka & K. Hiray. (2009)
             Genus Triplosphaeria Kaz.Tanaka & K. Hiray. (2009)