Kingdom Protoctista Hogg, 1860
   Phylum Apicomplexa Levine, 1970 see Infraphylum Apicomplexa Levine, 1970
     1 Class Gregarinia see Subclass Gregarinasina Dufour, 1828
     2 Class Coccidia see Subclass Coccidiasina Leuckart, 1879
     3 Class Hematozoa Vivier, 1982 see Subclass Hematozoa Vivier, 1982