Domain Eucaryota
   Subdomain Chlorota Doweld (2001)
     Kingdom Peridiniobiota Starobogatov ex Doweld (2001)
       Subkingdom Peridiniobiotina Doweld (2001)
         Phylum Gregarinozoa Kussakin & Drozdov, 1998
           Class Eimeriatea Doweld, 2001
             Order Eimeriida Léger, 1911
               1 Suborder Adeleinea Léger, 1911
               2 Suborder Eimeriinea Léger, 1911
               3 Suborder Haemoproteinea Doweld, 2001