Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Zoopagomycota Gryganskyi, M.E. Sm., Spatafora & Stajich (2016)
     Class Zoopagomycetes Doweld (2014) [monotypic]
       Order Zoopagales E.A. Bessey ex R.K. Benj. (1979)
         Family Piptocephalidaceae Sred. (1873)
           Genus Piptocephalis de Bary (1865)
             1 Piptocephalis fresenianaᵀ de Bary (1865)
             2 Piptocephalis cylindrospora Bainier (1882)