Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Dothideomycetes O.E. Erikss. & Winka (1997)
       Order Botryosphaeriales C.L. Schoch, Crous & Shoemaker (2007), incertae sedis
         Family Planistromellaceae M.E.Barr (1996)
           1 Genus Kellermania Ellis & Everh. (1885)
           2 Genus Planistroma A.W.Ramaley (1991)
           3 Genus Umthunziomyces Crous & M.J. Wingf. (2016)