Class Nodosariata Mikhalevich, 1992
   Subclass Hormosinana Mikhalevich, 1992
     Order Hormosinida Mikhalevich, 1980
       Superfamily Hormosinoidea Haeckel, 1894
         Family Reophacidae Cushman, 1910
           1 Subfamily Reophacinae Cushman, 1910
           2 Subfamily Polychasmininae Kaminski, 2004 [monotypic]
           3 Subfamily Bireophacinae Mikhalevich, 2003 [monotypic]