Anaerobes (exclusive of Clostridia)

Actinomyce ∙ Bacteroides ∙ Bifidobacterium ∙ Eubacterium ∙ Fuspbacterium ∙ Lactobacillus ∙ PeptoStreptococcus ∙ Porphyromonas ∙ Prevotella ∙ Proprionibacterium ∙ Veillonella – Anaerobic organisms do not require oxygen for growth and in fact some anaerobes may even become stressed and/or die if in the presence of oxygen.