eukaryotes see Domain Eukaryota Chatton, 1925 Kingdom Protozoa Goldfuss, 1818 [paraphyletic] - protozoa Subkingdom Natozoa Cavalier-Smith, 2021 [paraphyletic] Infrakingdom Archezoa Cavalier-Smith, 1983 [monotypic] see Phylum Metamonada Grassé, 1952 Phylum Metamonada Grassé, 1952 Subphylum Anaeromonada Cavalier-Smith, 1997 [monotypic] 1 Class Anaeromonadea Cavalier-Smith, 1997