Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade natates Cavalier-Smith, 2021
                   Clade photaria Cavalier-Smith, 2021
                     Clade eucorta Cavalier-Smith, 2021
                       Superkingdom Corticata Lankester, 1878 - corticates
                         Kingdom Chromista Caval.-Sm. (1981) - chromists
                           Subkingdom Harosa Cavalier-Smith, 2010
                             [crown] Clade Sar Adl et al. 2012 [Simpson & Dunthorn 2020]
                               Infrakingdom Halvaria Cavalier-Smith, 2010
                                 Superphylum Heterokonta Caval.-Sm. (1986)
                                   Phylum Bigyra Cavalier-Smith, 1998
                                     Subphylum Sagenista Cavalier-Smith, 1995 [monotypic]
                                       Class Labyrinthulea Olive ex Cavalier-Smith, 1986
                                         Order Thraustochytrida Sparrow, 1973 - thraustochytrids
                                           Family Thraustochytriidae Sparrow ex Cejp, 1959
                                             1 Genus Thraustochytriumᵀ Sparrow, 1936
                                             2 Genus Ulkenia Gaertn., 1977
                                             3 Genus Schizochytrium Goldst. & Belsky, 1964
                                             4 Genus Japonochytrium Kobayasi & Ôkubo, 1953
                                             5 Genus Aurantiochytrium Yokoy. & Honda, 2007
                                             6 Genus Sicyoidochytrium Yokoy., Salleh & Honda, 2007
                                             7 Genus Parietichytrium Yokoy., Salleh & Honda, 2007
                                             8 Genus Botryochytrium Yokoy., Salleh & Honda, 2007
                                             9 Genus Elina Artemczuk, 1972, nom. illeg.