Archaebacteria |
Autotrophic eubacteria |
Chemoheterotrophic eubacteria |
Eukaryotes |
Chemoautotrophs |
Photoautotrophs |
Gram-positive |
Photoautotrophs |
Methanogens |
Anoxygenic photosynthesis |
Endospore-forming rods and cocci |
Microalgae Chemoheterotrophs |
Thermoacidphiles |
Purple and green photosynthetic bacteria (Order Rhodospirillales) |
Non-spore forming rods Non-spore forming cocci (Family Micrococaeae) |
Protozoan flagellates |
Chemoheterotrophs |
Oxygenic photosynthesis Cyanobacteria (Order Cyanobacteriales) Prochlorophytes (Order Prochlorales) Chemoautotrophs Nitrifying bacteria (Family Nitrobacteriaceae) Colourless sulphur oxidising bacteria Methane oxidisingbacteria (Family Methylococcaceae) |
Actinomycetes (Order Actinomycetales) and related organisms. Aerobic Gram-negative rods and cocci (Family Pseudomonadaceae) Facultative aerobe (Family Vibrionaceae) Anaerobic sulphur reducing bacteria Gliding bacteria (Order Cytophagales and Beggiatoales) Spirochaetes (Order Spirochaetales) Spiral and curved bacteria (Family Spirillaceae) Budding and/ or appendaged bacteria Mycoplasmas (class Mollicutes) |
Amoebae Ciliates Fungi Higher Fungi Ascomycetes Deuteromycetes Basidiomycetes Lower fungi (Class Phycomycetes) |