ssu rRNA database list access
Archaea 
Bacteria
- Aquificales
- CFB group
- Chrysiogenes group
- Coprothermobacter group
- Cyanobacteria
- environmental samples
- Fibrobacter/Acidobacteria group
- Firmicutes
- Flavobacteria and relatives
- Fusobacterium and relatives
- Green non-sulfur bacteria
- Green sulfur bacteria
- Nanobacterium
- Nitrospira group
- Planctomycetales
- SAR406 cluster
- Spirochaetales
- Synergistes group
- Thermus/Deinococcus group
- Thermotogales
- Thermodesulfobacterium group
- Verrucomicrobia
- Uncertain affiliation
Eucaryota
- Alveolata
- Acanthamoebidae
- Metazoa
- Apusomonas
- Acantharea
- Anurofeca
- Choanoflagellida
- Corallochytrium
- Cryptophyta
- Cercozoa
- Diplomonadida
- Entamoebidae
- environmental samples
- Euglenozoa
- Fungi
- Glaucocystophyceae
- Granuloreticulosea
- Heterolobosea
- Haptophyceae
- Lobosea
- Mastigamoeba
- Mesomycetozoa
- Microsporidia
- Mycetozoa
- Parabasalidea
- Viridiplantae
- Polycystinea
- Psorospermium
- Rhodophyta
- Sphaerosoma
- stramenopiles
- Uncertain affiliation
Mitochondria
- Alveolata
- Acanthamoebidae
- Metazoa
- core jakobids
- Cercozoa
- Dictyoglomus group
- Euglenozoa
- Fungi
- Mycetozoa
- Viridiplantae
- Rhodophyta
- stramenopiles