Parvphylum Sporozoa Leuckart, 1879 see Superclass Sporozoa Leuckart, 1879
   Class Gregarinomorphea Grassé, 1953
     Subclass Orthogregarinia Cavalier-Smith, 2014
       Order Arthrogregarida Cavalier-Smith, 2014
         Suborder Terragregarina Cavalier-Smith, 2014
           1 Superfamily Stylocephaloidea Léger, 1892 [monotypic]
           2 Superfamily Actinocephaloidea Léger, 1892
           3 Superfamily Gregarinoidea Labbé, 1899
           4 Family Dactylophoridae Léger, 1892, incertae sedis