Kingdom: Eubacteria (True Bacteria)

Division (Phylum) Proteobacteria: N-Fixing Bacteria
Division (Phylum) Cyanobacteria: Blue-Green Bacteria
Division (Phylum) Eubacteria: True Gram Posive Bacteria
Division (Phylum) Spirochetes: Spiral Bacteria
Division (Phylum) Chlamydiae: Intracellular Parasites

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II. Archaea (16): Prokaryotes of Extreme Environments

Kingdom Crenarchaeota: Thermophiles
Kingdom Euryarchaeota: Methanogens & Halophiles
Kingdom Korarchaeota: Some Hot Springs Microbes

III. Eukarya (35): Eukaryotic Cells

Kingdom Protista (Protoctista)
Kingdom Fungi
Kingdom Plantae
Kingdom Animalia