Parvphylum Sporozoa Leuckart, 1879 see Superclass Sporozoa Leuckart, 1879 Class Gregarinomorphea Grassé, 1953 1 Subclass Histogregaria Cavalier-Smith, 2014 [monotypic] 2 Subclass Cryptogregaria Cavalier-Smith, 2014 [monotypic] 3 Subclass Orthogregarinia Cavalier-Smith, 2014