Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925 Phylum Alveolata Cavalier-Smith, 1991 see Superphylum Alveolata Cavalier-Smith, 1991 Subphylum Apicomplexa Levine, 1970 see Infraphylum Apicomplexa Levine, 1970 Class Gregarinea Bütschli, 1882 see Subclass Gregarinasina Dufour, 1828