Phylum Apusozoa Cavalier-Smith, 1997 see Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
   Class Hilomonadea Cavalier-Smith, 2008
     Order Planomonadida Cavalier-Smith, 2008 - planomonads
       Genus Planomonas Cavalier-Smith, 2008
         Planomonas howeae T. Cavalier-Smith et al., 2008