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
             1 Family Porosporidae Labbé, 1899
             2 Family Cephaloidophoridae Kamm, 1922
             3 Family Uradiophoridae Grassé, 1953
             4 Family Ganymedidae Huxley, 1910 [monotypic]