Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Dothideomycetes O.E. Erikss. & Winka (1997)
       Order Trypetheliales Lücking, Aptroot & Sipman (2008), incertae sedis
         Family Polycoccaceae Ertz, Hafellner & Diederich (2015)
           1 Genus Clypeococcum D.Hawksw. (1977)
           2 Genus Polycoccum Saut. ex Körb. (1865)