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
Razred Breviatea uredi
- Red Breviatida
Protozoa → Sarcomastigota → Amoebozoa → Protamoebae
Red Breviatida uredi
- /
Protozoa → Sarcomastigota → Amoebozoa → Protamoebae → Breviatea
Bu uredi
- Buedingiisphaeridium
- Bullinularia Penard, 1911
- Bursaria