Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Rozellomycota Doweld (2013)
     Class Rudimicrosporea Sprague, 1977 [monotypic]
       Order Metchnikovellida Vivier, 1975
         Family Amphiacanthidae Larsson, nom. illeg.
           Genus Amphiacantha Caullery & Mesnil, 1914, nom. illeg.
             1 Amphiacantha longaᵀ Caullery & Mesnil, 1914