Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818
     Class Flagellata see Subphylum Mastigophora Diesing, 1866
       Order Chrysomonadina see Order Chrysomonadida
         Family Rhizochrysidae see Family Chrysamoebidaceae Poche (1913)
           1 Genus Rhizochrysis Pascher (1913) see Genus Chrysamoeba Klebs (1893)
           2 Genus Chrysarachnion Pascher (1916)