eukaryotes see Domain Eukaryota Chatton, 1925 Kingdom Protozoa Goldfuss, 1818 [paraphyletic] - protozoa Subkingdom Natozoa Cavalier-Smith, 2021 [paraphyletic] Infrakingdom Hemimastigophora Foissner, Blatterer & Foissner, 1998 [sister group to excluded taxa] [monotypic] see Phylum Hemimastigophora Foissner, Blatterer & Foissner, 1988 1 Phylum Hemimastigophora Foissner, Blatterer & Foissner, 1988 [monotypic]