|  |  | 
    
        |  |  | 
    
        | Major Groups of Bacteria | 
    
        | Gram-Negative
        Eubacteria | Gram-Positive
        Eubacteria | 
    
        | Spirochetes | Gram-Positive
        Cocci | 
    
        | Aerobic/Microaerophilic,
        Motile, Helical/Vibroid Gram-Negative Bacteria | Endospore-Forming
        Gram-Positive Rods and Cocci | 
    
        | Nonmotile (or
        Rarely Motile), Gram-Negative Curved Bacteria | Regular,
        Nonsporing Gram-Positive Rods | 
    
        | Gram-Negative
        Aerobic/Microaerophilic Rods and Cocci | Irregular,
        Nonsporing Gram-Positive Rods | 
    
        | Facultatively
        Anaerobic Gram-Negative Rods | Mycobacteria | 
    
        | Gram-Negative,
        Anaerobic, Straight, Curved, and Helical Bacteria | Actinomycetes | 
    
        | Dissimilatory
        Sulfate or Sulfur-Reducing Bacteria |  | 
    
        | Anaerobic
        Gram-Negative Cocci |  | 
    
        | The Rickettsias and
        Chlamydias |  | 
    
        | Anoxygenic
        Phototrophic Bacteria |  | 
    
        | Oxygenic
        Phototrophic Bacteria |  | 
    
        | Aerobic
        Chemolithotrophic Bacteria and Associated Organisms |  | 
    
        | Budding and/or
        Appendaged Bacteria |  | 
    
        | Sheathed Bacteria |  | 
    
        | Nonphotosynthetic,
        Nonfruiting Gliding Bacteria |  | 
    
        | Myxobacteria |  | 
    
        | Cell
        Wall-Less Eubacteria | Archaeobacteria | 
    
        | Mycoplasmas | Archaeobacteria... | 
 
 
Alphabetical list of
the individual Genera
 A
A
 B
B
 C
C
 D
D
 E
E 
 F
F
 G
G
 H
H
 I
I
 J-K
J-K
 L
L
 M
M
 N
N
 O
O
 P
P
 R
R
 S
S
 T
T
 U-
Z
U-
Z
Bergey's Manual of Determinative Bacteriology
9th Ed 1994 Editors John G. Holt et al 
William's & Wilkins Baltimore
Bergey's Manual of systematic Bacteriology Vol 1 (1984) ISBN
0-683-04108-8
Bergey's Manual of systematic Bacteriology Vol 2 (1986) Peter
H.A. Sneath Editor; N.S. Mair, E. Sharpe associate editors ISBN
0-683-07893-3
Bergey's Manual of systematic Bacteriology Vol 3 (1989 James T.
Stanely Editor, Marvin P. Bryant, Norbert Pfennig, associate
Editor, John G. Holt Editor-in-chief ISBN-0-683-07906-5
Bergey's Manual of systematic Bacteriology Vol 4 (1989) Stanely
T. Williams, M. Elisabeth Sharpe, Associate Editors, John G. Holt
Editor-in-Chief ISBN-0-683--09061-5