Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818
     Class Flagellata see Subphylum Mastigophora Diesing, 1866
       Order Phytomonadina see Order Volvocida Francé, 1894, orth. zool.
         1 Family Chlamydomonadidae Stein, 1878 see Family Chlamydomonadaceae F. Stein (1878)
         2 Family Volvocidae Ehrenberg, 1834 see Family Volvocaceae Ehrenb. (1834)