Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Mucoromycota Doweld (2001)
     Subphylum Mucoromycotina Benny (2007)
       Class Mucoromycetes Doweld (2001) [monotypic]
         Order Mucorales Nees (1817)
           Family Radiomycetaceae Hesselt. & J.J. Ellis (1974) [monotypic]
             Genus Radiomyces Embree (1959)
               Radiomyces spectabilisᵀ Embree (1959)