eukaryotes see Domain Eukaryota Chatton, 1925
   01 Acantharea Haeckel, 1881 see Class Acantharea Haeckel, 1881
   02 actinophryids see Family Actinophryidae Dujardin, 1841
   03 alveolates Cavalier-Smith see [unranked] Alveolata Cavalier-Smith, 1991
   04 Genus Ancyromonas Kent, 1880
   05 apusomonads see Family Apusomonadidae Karpov & Mylnikov, 1989
   06 Genus Biomyxa Leidy, 1875
   07 Genus Caecitellus Patterson et al., 1993
   08 Genus Carpediemonas Ekebom, Patterson & Vørs, 1996
   09 Protista Haeckel, 1866 see Kingdom protists
   10 Centroheliozoa Dürrschmidt & Patterson, 1987 see Class Centrohelea Kühn, 1926
   11 cercomonads see Order Cercomonadida Poche, 1913
   12 chlorarachniophytes see [unranked] Chlorarachniophyta Hibberd & Norris, 1984
   13 Genus Coelosporidium Mesnil & Marchoux, 1897
   14 Genus Collodictyon Carter, 1865
   15 copromyxids see Order Copromyxida Cavalier-Smith, 1993
   16 Genus Cryothecomonas Thomsen et al., 1991
   17 cryptomonads see Order Cryptomonadales Pascher (1913)
   18 desmothoracids see Order Desmothoracida Hertwig & Lesser, 1874
   19 dimorphids see Order Dimorphida Siemensma, 1991
   20 Genus Diphylleia Massart, 1920
   21 diplomonads see [unranked] Diplomonadida Wenyon, 1926
   22 Genus Discocelis Vørs, 1988, nom. illeg. see Genus Discocelia Cavalier-Smith, 2012
   23 ebriids see Family Ebriidae Poche, 1913
   24 ellobiopsids see Family Ellobiopsidae Coutière, 1911
   25 Entamoebidae Chatton, 1925
   26 Euglenozoa Cavalier-Smith, 1981 see Phylum Euglenozoa Cavalier-Smith, 1981
   27 Genus Fonticula Worley, Raper & Hohl, 1979
   28 glaucophytes see Phylum Glaucophyta Skuja (1954)
   29 Granuloreticulosa
   30 Gymnophrea
   31 Gymnosphaerida Poche, 1913 see Order Gymnosphaerida Poche, 1913
   32 haplosporids see [unranked] Haplosporidia Caullery & Mesnil, 1899
   33 haptophytes see Phylum Haptophyta D.J. Hibberd ex Edvardsen & Eikrem (2000)
   34 Heterolobosea Page & Blanton, 1985 see Class Heterolobosea Page & Blanton, 1985
   35 Genus Hyperamoeba
   36 jakobids see [unranked] Jakobida Cavalier-Smith, 1993
   37 kathablepharids see Family Kathablepharidae Vørs, 1992, orth. zool.
   38 Komokiacea see Superfamily Komokiacea Tendal & Hessler, 1977
   39 Genus Luffisphaera Belcher & Swale, 1975
   40 Microsporidia Balbiani, 1882 see Phylum Microsporidia Balbiani, 1882
   41 Genus Ministeria Patterson et al., 1993
   42 Genus Multicilia Cienkowski, 1881
   43 nephridiophagids see Family Nephridiophagidae Sprague, 1970
   44 Nucleariidae Cann & Page, 1979
   45 "opisthokonts" see Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020]
   46 oxymonads see [unranked] Oxymonadida Grassé, 1952
   47 parabasalids see [unranked] Parabasalia Honigberg, 1973
   48 Paramyxea Chatton, 1911
   49 pelobionts see Order Pelobiontida Page, 1976
   50 Phaeodarea Haeckel, 1879 see Subclass Phaeodaria Haeckel, 1879
   51 Genus Phagodinium Kristiansen, 1993
   52 Genus Phalansterium Stein, 1878
   53 plasmodiophorids see Order Plasmodiophorida Cook, 1928
   54 Polycystinea Ehrenberg, 1838 see Class Polycystinea Ehrenberg, 1838
   55 pseudodendromonads see Family Pseudodendromonadaceae D.J. Patt. & Zölffel (1991)
   56 Genus Pseudospora L. de Cienkowski, 1865
   57 ramicristates Patterson, 1994
   58 red algae see Phylum Rhodophyta Wettst. (1901)
   59 Genus Reticulomyxa Nauss, 1949
   60 retortamonads see [unranked] Retortamonadida Grassé, 1952
   61 rosette agent see Sphaerothecum destruens Arkush et al., 2003
   62 Spironemidae Doflein, 1916
   63 spongomonads see Family Spongomonadidae Hibberd, 1983
   64 Genus Stephanopogon G. Entz, 1884
   65 Genus Sticholonche Hertwig, 1877
   66 stramenopiles Patterson, 1990, nom. vernac. see [unranked] Stramenopiles Patterson, 1990
   67 Genus Telonema Griessmann, 1913
   68 thaumatomonads see Order Thaumatomonadida Shirkina, 1987
   69 Genus Trimastix Kent, 1880
   70 vampyrellids see Family Vampyrellidae Zopf, 1885
   71 Viridaeplantae see Subkingdom Viridaeplantae Cavalier-Sm. (1981)
   72 xenophyophores see Class Xenophyophorea Schulze, 1904