Parvphylum Sporozoa Leuckart, 1879 see Superclass Sporozoa Leuckart, 1879 Class Gregarinomorphea Grassé, 1953 Subclass Histogregaria Cavalier-Smith, 2014 [monotypic] Order Histogregarida Cavalier-Smith, 2014 Family Rhytidocystidae Levine, 1979 [monotypic]