Dodatak:Popis praživotinja, B
Ba
uredi- Bacisphaeridium A.Eisenack
- Badhamia Berkeley, 1853
- Balamuthia Visvesvara, Schuster & Martinez, 1993
- Balliamonas Skvortzov, 1967
- Balmeella D.D.Pant & B.Mehra
- Barakella F.Cramer & Díez
- Baranovia Skvortzov
- Barathrisphaeridium Wicander
- Barbeyella Meylan, 1914
- Barbulanympha Cleveland, Hall, Sanders & Collier
- Barroella Zeliff
- Batioladinium W.W.Brideaux, 1975
Bi
uredi- Bicosta B.S.C.Leadbeater, 1978
- Bicosta Leadbeater, 1978
- Bisbullatum Xiaosi Fang, 1987
Bl
uredi- Blastocrithidia Laird
Bo
uredi- Bodo Ehrenberg, 1832
- Bodomorpha Hollande
- Bodonaceae Bütschli, 1884
- Bodonidae Bütschli, 1887
- Bodopsis Lemmermann
- Boirsenia Kufferath
- Bommeria H.Kufferath
- Bordnamonas Larsen & D.J.Patterson
- Bosporella Hovasse
- Boveella Sawyer, 1975
Br
uredi- Brefeldia Rostaf., 1873
- Red Breviatida
Protozoa → Sarcomastigota → Amoebozoa → Protamoebae
Red Breviatida
uredi- /
Protozoa → Sarcomastigota → Amoebozoa → Protamoebae → Breviatea
Bu
uredi- Buedingiisphaeridium
- Bullinularia Penard, 1911
- Bursaria