Protozoa as en ufdialang faan a eukarioten efter nei wedenskapelk weden:

• Superkingdom Eukaryota
  • Kingdom Protozoa
    • Subkingdom Eozoa
      • Infrakingdom Euglenozoa
      • Infrakingdom Excavata
    • Subkingdom Sarcomastigota
      • Phylum Amoebozoa
      • Phylum Choanozoa [with Microsporidia, Animalia, and Fungi constitutes "Supergroup Opisthokonta"]
      • Phylum Microsporidia [with Choanozoa, Animalia, and Fungi constitutes "Supergroup Opisthokonta"]
      • Phylum Sulcozoa

• Ruggiero, M.A., Gordon, D.P., Orrell, T.M., Bailly, N., Bourgoin, T., Brusca, R.C., Cavalier-Smith, T., Guiry, M. D. & Kirk, P. M. (2015). A Higher Level Classification of All Living Organisms. PLoS ONE 10(4) online