Infrakingdom Alveolata Cavalier-Smith, 1991 see [unranked] Alveolata Cavalier-Smith, 1991
   Phylum Myzozoa Cavalier-Smith & Chao, 2004 see Subphylum Myzozoa Cavalier-Smith & Chao, 2004
     Subphylum Apicomplexa Levine, 1970 see Infraphylum Apicomplexa Levine, 1970
       Apicomonadea Cavalier-Smith, 1993
         Order Acrocoelida Cavalier-Smith & Chao, 2004
           Genus Acrocoelus Fernandez, Pardos, Benito & Larissa Arroyo, 1999