Bacteria Classification

spirochetes

• Treponema pallidium

• Borrelia

• Leptospira

• Spirillum

• Campylobacter

• Bdellovibrio

gram-negative aerobic rods & coccobacilli

• Pseudomonas

• Agrobactericum

• Rhizobium

• Legionella

• Neisseria

• Acinetobacter

• Branhamella

• Moraxella

• Brucella

• Bordetella

• Alcaligenes

• Acetobacter

gram-negative facultative anaerobes

• Enterobacter

• Escherichia

• Citrobacter

• Salmonella

• Shigella

• Proteus

• Hafnia

• Plesiononas

• Vibrio

• Photobacterium

• Providencia

• Yersinia

gram-negative anaerobic rods

• Bacteroides

• Leptotrichia

• Fusobacterium

gram-negative anaerobic cocci

• Veilonella

Rickettsias and Chlamydia

• Rickettsia

• Chlamydia

mycoplasma

• Spiroplasma

• Mycoplasma

gram-positive cocci

• Micrococcus

• Staphylococcus

• Streptococcus

• Peptococcus (Obligate anaerobe)

endospore-forming rods

• Bacillus

• Sporolactobacillus

• Clostridium

• Sporosarcina

gram-positive asporogenous bacteria

• Lactobacillus

• Listeria

• Erysipelothrix

• Corynebacterium

• Kurthia

• Arthrobacter

• Actinomycetes - Streptomycetes

archaea

• Sulfolobus

• Halococcus

• Halobacterium

• Methanogens (Methanococcus)

• Thermoplasma

• Thermococcus

eukaryotic microorganisms

• algae

• fungi

• prtozoa