The currently accepted taxonomy based on the List of Prokaryotic names with Standing in Nomenclature (LPSN)[1] and the National Center for Biotechnology Information (NCBI).[4]
| 16S rRNA based LTP_10_2024[5][6][7] |
120 marker proteins based GTDB 09-RS220[8][9][10] |
| "Bacillia" s.s. |
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Novibacillaceae |
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| Caldalkalibacillales |
Caldalkalibacillaceae |
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| "Caldibacillales" |
Caldibacillaceae |
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| Calditerricolales |
Calditerricolaceae |
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Microaerobacter |
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| Desulfuribacillales |
Desulfuribacillaceae |
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| Tepidibacillales |
Tepidibacillaceae |
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Oxalophagaceae [incl. "Ammoniphilaceae"] |
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| Aneurinibacillales |
Aneurinibacillaeae |
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| Brevibacillales |
Brevibacillaceae |
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"Bacillus thermozeamaize" |
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| "Bacillia" s.s. |
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| Tumebacillales |
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Collibacillus {BOQE01} |
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Effusibacillaceae |
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Tumebacillaceae |
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| Alicyclobacillales |
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| Desulfuribacillales |
Desulfuribacillaceae |
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| Calditerricolales |
Calditerricolaceae |
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| Bacillales_F |
"Bacillus thermozeamaize" {Bacillaceae_M} |
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| Thermicanales |
Thermicanaceae |
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| "Brockiales" |
"Brockiaceae" |
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| Thermoactinomycetales |
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Novibacillaceae |
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"Polycladomycesaceae" |
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"Planifilaceae" |
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"Desmosporaceae" |
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| Paenibacillales |
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"Reconcilibacillaceae" |
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"Xylanibacillaceae" |
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Insulibacter {DA-C8} |
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"Longirhabdaceae" |
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| Aneurinibacillales |
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"Ammoniphilaceae" |
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Aneurinibacillaceae |
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| Brevibacillales |
Brevibacillaceae |
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| Tepidibacillales |
Tepidibacillaceae |
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| "Rubeoparvulales" |
"Rubeoparvulaceae" |
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| Exiguobacteriales |
Exiguobacteriaceae |
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| "Harrysmithimonadales" |
"Harrysmithimonadaceae" |
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| "Bacillidae" |
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| "Caldibacillales" |
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Bacillus_CG & BF {JC228} |
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Caldibacillaceae |
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Heyndrickxiaceae |
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Bacillus smithii {DSM-4216} |
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Oikeobacillus {DSM-23947} |
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Domibacillaceae |
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Falsibacillaceae |
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Mangrovibacillus {R1DC41} |
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Rossellomoreaceae |
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| Bacillales_B |
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| Bacillales s.s. |
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Priestia {Bacillaceae_H} |
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Bacillaceae_L |
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Anoxybacillaceae |
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Sutcliffiellaceae |
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Bacillus carboniphilus {JAIVKR01} |
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Aeribacillaceae |
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Bacillaceae |
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| Bacillales_C |
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Bacillus solimangrovi {Bacillaceae_N} |
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Schinkiaceae |
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| Bacillales_E |
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Lottiidibacillaceae |
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"Massilibacteriaceae" |
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| Bacillales_K |
Sporolactobacillaceae |
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| Bacillales_G |
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"Maribacillaceae" |
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Pseudalkalibacillus species-group 2 {HB172195} |
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Fictibacillaceae |
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| Bacillales_H |
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Marinococcaceae |
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Salisediminibacteriaceae |
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Anaerobacillaceae |
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"Desertibacillaceae" |
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Alkalihalobacterium {Bacillaceae_F} |
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Bacillaceae_D |
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| Bacillales_I |
Bacillus marinisedimentorum {Bacillaceae_O} |
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| DSM‑28697 |
Aureibacillaceae |
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