|Classes, Orders, Families and some Genera|
Members of this phylum are physiologically diverse, some being acidophilic, and were first recognized as a novel division in 1997. The first species, Acidobacterium capsulatum, of this phylum was discovered in 1991. Other notable species are Holophaga foetida, Geothrix fermentans, Acanthopleuribacter pedis and Bryobacter aggregatus. Since they have only recently been discovered and the large majority have not been cultured, the ecology and metabolism of these bacteria is not well understood. However, these bacteria may be an important contributor to ecosystems, since they are particularly abundant within soils.
As well as their natural soil habitat, unclassified group II Acidobacteria have also been identified as a contaminant of DNA extraction kit reagents, which may lead to their erroneous appearance in microbiota or metagenomic datasets.
The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN)   and the phylogeny is based on 16S rRNA-based LTP release 111 by The All-Species Living Tree Project 
♠ Strains found at the National Center for Biotechnology Information (NCBI) but not listed in the List of Prokaryotic names with Standing in Nomenclature (LSPN)
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- Pankratov, TA; Dedysh, SN (December 2010). "Granulicella paludicola gen. nov., sp. nov., Granulicella pectinivorans sp. nov., Granulicella aggregans sp. nov. and Granulicella rosea sp. nov., acidophilic, polymer-degrading acidobacteria from Sphagnum peat bogs". International journal of systematic and evolutionary microbiology 60 (Pt 12): 2951–9.
- Pankratov, T. A.; Kirsanova, L. A.; Kaparullina, E. N.; Kevbrin, V. V.; Dedysh, S. N. (1 April 2011). "Telmatobacter bradus gen. nov., sp. nov., a cellulolytic facultative anaerobe from subdivision 1 of the Acidobacteria, and emended description of Acidobacterium capsulatum Kishimoto et al. 1993". International Journal of Systematic and Evolutionary Microbiology 62 (2): 430–437.
- Genome PageAcidobacteria bacterium Ellin345
- Acidobacterium Genome Projects (from Genomes OnLine Database)
- Science Daily article
- Scientific American article