Parvphylum Sporozoa Leuckart, 1879 see Superclass Sporozoa Leuckart, 1879
   Class Paragregarea Cavalier-Smith, 2014
     Order Archigregarinida Grassé, 1953
       Family Selenidiidae Brasil, 1907
         1 Genus Selenidium Giard, 1884
         2 Genus Selenocystis Dibb, 1938