eukaryotes see Domain Eukaryota Chatton, 1925 Kingdom Protozoa Goldfuss, 1818 [paraphyletic] - protozoa Subkingdom Sarcomastigota Cavalier-Smith, 1983 [paraphyletic] see [unranked] dorsates Cavalier-Smith, 2021 Infrakingdom Sulcozoa Cavalier-Smith, 2012 [monotypic] see [unranked] dorsates Cavalier-Smith, 2021 1 Phylum Sulcozoa Cavalier-Smith, 2012 [paraphyletic] see [unranked] dorsates Cavalier-Smith, 2021