Kingdom Protista (Haeckel, 1866) - protists Phylum Labyrinthomorpha - labyrinthomorphans see [unranked] labyrinthulids Class Labyrinthulea L.S. Olive ex Caval.-Sm. (1986), orth. inval. see Class Labyrinthulea Olive ex Cavalier-Smith, 1986 1 Order Labyrinthulida Lankester, 1877 - labyrinthulids