Dodatak:Popis praživotinja, K
Ka uredi
Kakoeca Buck & Marchant, 1991 uredi
Protozoa → Choanozoa → Choanoflagellatea → Acanthoecida → Acanthoecidae
Ke uredi
- Kentia J.Schiller
- Kentrosiga J.Schiller, 1953
Kh uredi
- Khawkinea Jahn & McKibben, 1937
Ki uredi
- Kiitoksia Vors, 1992
- Kildinella B.V.Timofeev, 1963
- Kinetoplastea
- Kinetoplastea
- Kinetoplastea incertae sedis
- Kirbyella Zeliff
- Kirbynia Grassé & Hollande
Kl uredi
- Klebsina P.C.Silva
- Klosteria
Ko uredi
- Kofoidia Light
- Kolbeana Skvortzov
- Korotnevella Goodkov, 1988
- Koruga Cleveland
Kt uredi
- Ktenomonas A.Szabados