Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Chytridiomycota Doweld (2001)
     Class Chytridiomycetes Moebius (1929)
       Order Chytridiales J.Schröt. (1886)
         Family Chytridiaceae Bek. (1864)
           Genus Polyphlyctis Karling (1968)
             Polyphlyctis unispinaᵀ (R.A. Paterson) Karling (1968)