In this article we will discuss about:- 1. Taxonomy of Archaebacteria 2. General Characteristics of Archaebacteria 3. Representative Types 4. Phylogeny. Taxonomy of Archaebacteria: The domain Archaea has been divided into two Phyla: 1. Crenarchaeota and 2. Euryarchaeota. The first includes the extreme thermophiles, acidophiles and sulfur-metabolizing archaebacteria. They are mostly anaerobic and they occur […]