Parvphylum Sporozoa Leuckart, 1879 see Superclass Sporozoa Leuckart, 1879
   Class Coccidiomorphea Doflein, 1901
     Subclass Coccidia Leuckart, 1879
       Order Eimeriida Léger, 1911
         1 Family Eimeriidae Minchin, 1903
         2 Family Calyptosporidae Overstreet, Hawkins & Fournie, 1984
         3 Family Sarcocystidae Poche, 1913
         4 Family Elleipsisomatidae Upton, 2000