Phylum Apusozoa Cavalier-Smith, 1997 see Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
   Class Hilomonadea Cavalier-Smith, 2008
     1 Genus Micronuclearia Mikrjukov & Mylnikov, 2001
     2 Order Planomonadida Cavalier-Smith, 2008 - planomonads