Class Nodosariata Mikhalevich, 1992
   Subclass Hormosinana Mikhalevich, 1992
     Order Hormosinida Mikhalevich, 1980
       Superfamily Hormosinoidea Haeckel, 1894
         Family Reophacidae Cushman, 1910
           Subfamily Polychasmininae Kaminski, 2004 [monotypic]
             1 Genus Polychasmina Loeblich & Tappan, 1946