Gram-Negative Cocci and Bacilli

Aerobic Gram negative Cocci

Anaerobic Cocci

Neisseriaceae

Neisseria species

Moraxella

Moraxella

Branhamella

Megasphaera species

Veillonella species

Aerobic Gram-negative Bacilli

Anerobic Gram-negative Bacilli

Enterobacteriaceae

Citrobacter

Enterobacter

Escherichia

Klebsiella

Morganella

Proteus

Salmonella

Shigella

Serratia

Yersinia

Vibrionaceae

Vibrio species

Aeromonadaceae

Aeromonas species

Plesiomonadaceae

Plesiomonas

Campylobacteriaceae

Campylobacter

Arcobacter

Pasteurellaceae

Haemophilus

Actinobacillus

Pasteurella

Legionellaceae

Legionella

Miscellaneous genera

Acinetobacter

Bartonella

Bordetella

Brucellae

Burkholderia

Calymmatobacterium

Cardiobacterium

Eikenella

Francisella

Helicobacter

Kingella

Pseudomonas

Spirillium

Streptpbacillus

Fusobacterium

Bacteroides

Bilophila

Parphyromonas

Prevotella