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 Superfamily Actinocephaloidea Léger, 1892 Family Sphaerocystidae Chakravarty, 1960 [monotypic] 1 Genus Sphaerinina