1. 特吕珀菌属(Truepera)
2. 栖热菌目(Thermales)
1. 栖热菌科(Thermaceae)
1. 海栖热菌属(Marinithermus) 2. 亚栖热菌属(Meiothermus) 3. 海洋栖热菌属(Oceanithermus) 4. 栖热菌属(Thermus)
5. 火山栖热菌属(Vulcanithermus)
[编辑] 网团菌门(Dictyoglomi)
[编辑] 网团菌纲(Dictyoglomi)
1. 网团菌目(Dictyoglomales)
1. 网团菌科(Dictyoglomaceae)
1. 网团菌属(Dictyoglomus)
[编辑] 纤维杆菌门(Fibrobacteres)
[编辑] 纤维杆菌纲(Fibrobacteres)
1. 纤维杆菌目(Fibrobacterales)
1. 纤维杆菌科(Fibrobacteraceae)
1. 纤维杆菌属(Fibrobacter)
[编辑] 厚壁菌门(Firmicutes)（低G+C革兰氏阳性菌）
[编辑] 芽孢杆菌纲(Bacilli)
1. 芽孢杆菌目(Bacillales)
1. (Alicyclobacillaceae)
1. (Alicyclobacillus) 2. (Pasteuria)
3. (Sulfobacillus)
2. 芽孢杆菌科(Bacillaceae)
1. (Alkalibacillus) 2. (Amphibacillus)
3. (Anoxybacillus)
4. 芽孢杆菌属(Bacillus) 5. (Caldalkalibacillus) 6. (Cerasibacillus) 7. (Exiguobacterium) 8. (Filobacillus) 9. (Geobacillus) 10.(Gracilibacillus) 11.(Halalkalibacillus) 12.(Halobacillus) 13.(Haloactibacillus) 14.(Jeotgalibacillus) 15.(Lentibacillus) 16.(Lysinibacillus) 17.(Marinibacillus) 18.(Oceanobacillus) 19.(Ornithinibacillus) 20.(Paraliobacillus) 21.(Paucisalibacillus) 22.(Pelagibacillus) 23.(Piscibacillus) 24.(Pontibacillus)
25.糖球菌属(Saccharococcus) 26.(Salibacillus) 27.(Salimicrobium) 28.(Salinibacillus) 29.(Salirhabdus)
30.(Sasuginibacillus) 31.(Tenuibacillus) 32.(Terribacillus) 33.(Thalassobacillus) 34.(Ureibacillus) 35.(Virgibacillus) 36.(Vulcanibacillus)
3. (Caryophanaceae)
1. (Caryophanon)
4. 李斯特氏菌科(Listeriaceae)
1. 环丝菌属(Brochothrix) 2. 李斯特氏菌属(Listeria)
5. (Paenibacillaceae)
1. (Ammoniphilus) 2. (Aneurinibacillus) 3. (Brevibacillus) 4. (Cohnella)
5. (Oxalophagus) 6. (Paenibacillus) 7. (Thermicanus) 8. (Thermobacillus)
6. (Planococcaceae)
1. (Filibacter) 2. (Kurthia)
3. (Planococcus) 4. (Planomicrobium) 5. (Sporosarcina)
7. 芽孢乳杆菌科(Sporolactobacillaceae)
1. (Marinococcus) 2. (Sinococcus)
3. 芽孢乳杆菌属(Sporolactobacillus) 4. (Tuberibacillus)
8. 葡萄球菌科(Staphylococcaceae)
1. 孪生菌属(Gemella) 2. (Joetgalicoccus) 3. (Macrococcus) 4. (Salinicoccus)
5. 葡萄球菌属(Staphylococcus)
9. (Thermoactinomycetaceae)
1. (Laceyella)
2. (Mechercharimyces) 3. (Planifilum) 4. (Seinonella) 5. (Shimazuella)
6. (Thermoactinomyces) 7. (Thermoflavimicrobium)
10.(Turicibacteraceae)
1. (Turicibacter)
11.科未定
1. (Pullulanibacillus)
2. 乳杆菌目(Lactobacillales)
1. 气球菌科(Aerococcaceae)
1. (Abiotrophia)
2. 气球菌属(Aerococcus) 3. (Dolosicoccus) 4. (Eremococcus) 5. (Facklamia) 6. (Globicatella) 7. (Ignavigranum)
2. 肉杆菌科(Carnobacteriaceae)
1. (Agitococcus)
2. (Alkalibacterium) 3. (Allofustis) 4. (Alloiococcus) 5. (Atopococcus) 6. (Atopostipes)
7. 肉杆菌属(Carnobacterium) 8. 德库菌属(Desemzia) （DSMZ，德国微生物与细胞保藏中心） 9. (Dolosigranulum) 10.(Granulicatella) 11.(Isobaculum) 12.(Lactosphaera)
13.(Marinilactibacillus) 14.(Trichococcus)
3. 肠球菌科(Enterococcaceae)
1. (Atopobacter) 2. (Catellicoccus)
3. 肠球菌属(Enterococcus) 4. (Melissococcus) 5. (Pilibacter)
6. (Tetragenococcus)
7. 漫游球菌属(Vagococcus)
4. 乳杆菌科(Lactobacillaceae)
1. 乳杆菌属(Lactobacillus) 2. (Paralactobacillus) 3. 片球菌属(Pediococcus)
5. 明串珠菌科(Leuconostocaceae)
1. 明串珠菌属(Leuconostoc) 2. (Oenococcus) 3. (Weissella)
6. 颤螺旋菌科(Oscillospiraceae)
1. 颤杆菌克(Oscillibacter) 2. 颤螺旋菌属(Oscillospira)
7. 链球菌科(Streptococcaceae)
1. 乳球菌属(Lactococcus) 2. (Lactovum)
3. 链球菌属(Streptococcus)
8. 科未定
1. (Acetoanaerobium)
2. 互营球菌属(Syntrophococcus)
[编辑] 梭菌纲(Clostridia)
1. 梭菌目(Clostridiales)
1. 梭菌科(Clostridiaceae)
1. (Acetanaerobacterium) 2. (Acetivibrio) 3. (Acidaminobacter) 4. (Alkaliphilus) 5. (Anaerobacter) 6. (Anaerotruncus) 7. (Anoxynatronum) 8. (Bryantella) 9. (Caloramator)
10.(Caloranaerobacter) 11.(Caminicella)
12.(Clostridiisalibacter) 13.梭菌属(Clostridium) 14.(Coprobacillus) 15.(Dorea)
16.(Ethanoligenens) 17.(Faecalibacterium) 18.(Fastidiosipila) 19.(Garciella)
20.(Gracilibacter) 21.(Guggenheimella) 22.(Hespellia) 23.(Natronincola) 24.(Oxobacter)
25.(Parasporobacterium) 26.八迭球菌属(Sarcina) 27.(Soehngenia)
28.(Sporacetigenium) 29.(Sporobacter) 30.(Subdoligranulum) 31.(Tepidibacter) 32.(Tepidimicrobium) 33.(Thermobrachium) 34.(Thermohalobacter) 35.(Tindallia)
2. 优杆菌科(Eubacteriaceae)
1. 醋杆菌属(Acetobacterium) 2. (Alkalibacter) 3. (Anaerofustis) 4. (Anaerovorax)
5. 优杆菌属(Eubacterium) 6. (Mogibacterium) 7. (Pseudoramibacter)