eukaryotes see Domain Eukaryota Chatton, 1925 Kingdom Protozoa Goldfuss, 1818 [paraphyletic] - protozoa Subkingdom Natozoa Cavalier-Smith, 2021 [paraphyletic] Infrakingdom Eozoa Cavalier-Smith, 1997 see Clade Discoba Simpson 2009 Superphylum Discicristata Cavalier-Smith, 1998 Phylum Percolozoa Cavalier-Smith, 1992 Subphylum Orthozoa Cavalier-Smith, 2021 Class Pharyngomonadea Cavalier-Smith, 2008 [monotypic] 1 Genus Pharyngomonas Cavalier-Smith, 2008