organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Eukaryota Chatton, 1925 - eukaryotes
     Kingdom Chromista Caval.-Sm. (1981) - chromists
       Phylum Labyrinthulomycota F.C. Page (1980)
         Class Labyrinthulomycetes Dick (2001) see Class Labyrinthulea L.S. Olive ex Caval.-Sm. (1986), orth. inval.
           Order Thraustochytriales Sparrow (1973) see Order Thraustochytrida Sparrow, 1973
             Family Thraustochytriaceae Sparrow, 1943 ex Cejp (1959) see Family Thraustochytriidae Sparrow ex Cejp, 1959
               Genus Thraustochytrium Sparrow (1936) see Genus Thraustochytrium Sparrow, 1936