Parvphylum Sporozoa Leuckart, 1879 see Superclass Sporozoa Leuckart, 1879
   Class Gregarinomorphea Grassé, 1953
     Subclass Orthogregarinia Cavalier-Smith, 2014
       Order Arthrogregarida Cavalier-Smith, 2014
         Suborder Porosporina Cavalier-Smith, 2014 [monotypic]
           Superfamily Porosporoidea Labbé, 1899
             Family Uradiophoridae Grassé, 1953
               1 Genus Heliospora Goodrich, 1949
               2 Genus Uradiophora Mercier, 1912