List of bacterial orders

This article lists the orders of the Bacteria. The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN)[1] and National Center for Biotechnology Information (NCBI)[2] and the phylogeny is based on 16S rRNA-based LTP release 132 by The All-Species Living Tree Project.[3]

Phylogeny

National Center for Biotechnology Information (NCBI) taxonomy was initially used to decorate the genome tree via tax2tree. The 16S rRNA-based Greengenes taxonomy is used to supplement the taxonomy particularly in regions of the tree with no cultured representatives. List of Prokaryotic names with Standing in Nomenclature (LPSN) is used as the primary taxonomic authority for establishing naming priorities. Taxonomic ranks are normalised using phylorank and the taxonomy manually curated to remove polyphyletic groups.[4][5][6][7][8]

Cladogram was taken from [9][10][11]

Bacteria
 

Chloroflexota

 
 
 

"Dormibacterota"

 
 
 

Deinococcota

 
 
 

Actinomycetota

 
 
Bacillota
 
 

Armatimonadota

 
 

Eremiobacterota

 
 
 
 

Bacillota E

 
 
 

Bacillota G

 
 
 

"Halanaerobiaeota" (Bacillota F)

 
 
 
 

"Desulfotomaculota" (Bacillota B)

 
 
 

"Selenobacteria" (Bacillota C)

 
 

Bacillota A

 
 
 
 
 

Bacillota D

 
 

"Bacillota"

 
 
 
 
 
 
 
 
Cyanoprokaryota
 

"Margulisbacteria"

 
 

Cyanobacteria

 
 
 
 
CPR

Patescibacteria

 
"Thermotogida"
"Synergistetes"
 

"Atribacterota"

 
 

Synergistota

 
 
"Thermocalda"
 
 

Dictyoglomota

 
 
 

"Cryosericota"

 
 
 

"Calescamantes"

 
 
 

Coprothermobacterota

 
 

"Thermodesulfobiota"

 
 
 
 
 
 
 

"Bipolaricaulota"

 
 

Thermotogota

 
 
 
 
 
"Hydrobacteria"
"Fusobacterida"
 
 

Riflebacteria

 
 
 

Wallbacteria

 
 

Muirbacteria

 
 
 
 

Fusobacteriota

 
 
 
Clade 1
 

"Lindowbacteria"

 
 

Spirochaetota

 
 
 
"Planctochlora"
 
 

Clade 2 cont'd

 
 

"Planctobacteria" cont'd

 
 
"FCB group"
 

"Mcinerneyibacteriota"

 
 
 
 

"Hydrothermota"

 
 
 

"Coatesbacteria"

 
 

"Fermentibacteria"

 
 
 
 
 
 

"Cloacimonetes"

 
 

Fibrobacterota

 
 
 
 
 
 

"Edwardsbacteria"

 
 

"Latescibacteria"

 
 
 
 
 

"Krumholzibacteria"

 
 

"Eisenbacteria"

 
 
 

Gemmatimonadota

 
 
 
 
 

"Zixibacteria"

 
 
 

"Delongbacteria"

 
 
 

"Marinisomatota"

 
 

Calditrichota +
Bacteroidota

 
 
 
 
 
 
 
 
 
 

"Proteobacteria" cont'd

 
 
 
 
 
 
 
 
 
 
 
Clade 2
 
 

"Goldbacteria"

 
 

"Firestonebacteria"

 
 
 
 

"Poribacteria"

 
 
 
 

"Ratteibacteria"

 
 

"Omnitrophicota"

 
 
 
 

"Desantisbacteria"

 
 
 

"Aerophobetes"

 
 

Elusimicrobiota

 
 
 
 
 
 
"Planctobacteria"
 

"Sumerlaeota"

 
 
 
 

"Abyssubacteria"

 
 

"Hydrogenedentes"

 
 
 
 

Planctomycetota

 
 
 

"Aureabacteria"

 
 
 

Chlamydiota

 
 

Verrucomicrobiota

 
 
 
 
 
 
"Proteobacteria"
 
 
 

"Leptospirillia" {Nitrospirota_A}

 
 

"Dependentiae"

 
 
 
 
 

"Dadabacteria"

 
 
 

Syntrophorhabdia {Desulfobacterota G}

 
 

"Acidulidesulfobacterales" {SZUA-79: SZUA-79}

 
 
 
 
 
 

"Thermosulfidibacterota"

 
 
 

Chrysiogenota

 
 

Deferribacterota

 
 
 
 
 

Aquificota

 
 

Campylobacterota

 
 
 
 
 
 
 

Acidobacterota

 
 
 
 
 
 
 

"Modulibacteria"

 
 

"Methylomirabilota"

 
 
 
 

"Schekmanbacteria"

 
 
 

"Tectomicrobia"

 
 

Nitrospinota

 
 
 
 
 

Nitrospirota

 
 
 
 

"Deferrisomatota"

 
 

Thermodesulfobacteriota

 
 
 
 
 
 

Bdellovibrionota

 
 
 

"Binatota"

 
 

Myxococcota

 
 
 
 
 

"Lambdaproteobacteria" {SAR324}

 
 

Pseudomonadota

 
 
 
 
 
 

Clade Terrabacteria

Phylum Chloroflexota

Phylogeny of Chloroflexota[9][10][11]
 
Ktedonobacteria

Ktedonobacterales

 
 
 
"Dehalococcoidotia"

Dehalococcoidales

Dehalococcoidia
"Caldilineotia"
 

Ardenticatenales

 
 
"Caldilineidae"

Caldilineales

 
"Anaerolineidae"
 

Thermoflexales

 
 
 

"Promineofilales"

 
 

Anaerolineales

 
 
 
 
Anaerolineae
 
Chloroflexota
 
 

"Thermobaculales"

 
 

Thermomicrobiales

 
 
 

Chloroflexales

 
Chloroflexia
 
 
  • Class ?"Bathosphaeria"
    • "Bathosphaerales" Mehrshad et al. 2018 [DTDB tag: JG30-KF-CM66]
  • Class ?"Limnocylindria"
    • "Limnocylindrales" Mehrshad et al. 2018 (SL56)
  • Class ?"Umbricyclopia"
    • "Umbricyclopales" Mehrshad et al. 2018 (TK10)
  • Class Ktedobacteria
    • Ktedobacterales corrig. Cavaletti et al. 2007 (Thermogemmatisporales)
  • Class Dehalococcoidia
  • Class Anaerolineae
    •  ?Aggregatilineales Nakahara et al. 2019
    • Anaerolineales Yamada et al. 2006
    • Ardenticatenales Kawaichi et al. 2013
    • Caldilineales Yamada et al. 2006
    • "Promineofilales"
    • Thermoflexales Dodsworth et al. 2014
  • Class Chloroflexia

Phylum Deinococcota

Phylum Actinomycetota

Phylogeny of Actinomycetota[9][10][11]
 
 
 

Hakubanellales

 
Coriobacteriia

Coriobacteriales

 
 
 
 
Rubrobacteria

Rubrobacterales

 
Thermoleophilia
 

Gaiellales

 
 

Thermoleophilales

 
 
 
 
Acidimicrobiia
 

"Actinomarinales"

 
 

Acidimicrobiales

 
 
Actinomycetia
Nitriliruptoridae
 

Euzebyales

 
 

Nitriliruptorales

 
 
Actinobacteridae
 

"Nanopelagicales"

 
 
 
 
 

Jiangellales

 
 

Propionibacteriales

 
 
 
 
 

Acidothermales

 
 

Streptosporangiales

 
 
 
 

Sporichthyales

 
 

Streptomycetales

 
 
 
 
 
 

Mycobacteriales

 
 
 

Motilibacterales

 
 

Actinomycetales

 
 
 
 
 
 
 
 
 

Bacillota incertae sedis

  • "Koleobacterales" Sakamoto et al. 2021
  • Class Culicoidibacteria Neupane et al. 2020
    • Culicoidibacterales Neupane et al. 2020
  • Class Thermolithobacteria Sokolova et al. 2007
    • Thermolithobacterales Sokolova et al. 2007

Phylum Armatimonadota

Phylogeny of Armatimonadota[9][10][11]
 
Abditibacteriia

Abditibacteriales

 
 
Fimbriimonadia

Fimbriimonadales

 
 
Chthonomonadetes

Chthonomonadales

 
Armatimonadia
 

Armatimonadales

 
 

Capsulimonadales

 
 
 
 
 
  • Class Abditibacteriia (FBP)
    • Abditibacteriales Tahon et al. 2018
  • Class Fimbriimonadia
    • Fimbriimonadales Im et al. 2012
  • Class Chthonomonadetes
    • Chthonomonadales Lee et al. 2011
  • Class Armatimonadia (OP10)
    • Armatimonadales Tamaki et al. 2011
    • Capsulimonadales Li, Kudo & Tonouchi 2018

Phylum Eremiobacterota

Phylogeny of Eremiobacterota[9][10][11]
 
"Xenobia"

"Xenobiales"

 
"Eremiobacteriia"
 

"Eremiobacterales"

 
 

"Baltobacterales"

 
 
 
  • Class "Xenobia" [GTDB tag: UBP9]
    • "Xenobiales"
  • Class "Eremiobacteriia" (WPS2)
    • "Baltobacterales"
    • "Eremiobacterales"

Phylum Bacillota E

Phylogeny of Bacillota E[9][10][11]
 
"Thermaerobacteria"

"Thermaerobacterales"

 
 
"Symbiobacteriia"

"Symbiobacteriales"

 
"Sulfobacillia"

"Sulfobacillales"

 
 
 
  • Class "Thermaerobacteria"
    • "Thermaerobacterales"
  • Class "Sulfobacillia"
    • "Sulfobacillales" Cavalier-Smith 2020
  • Class "Symbiobacteriia"
    • "Symbiobacteriales"

Phylum Bacillota G

  • Hydrogenispora Liu et al. 2014
  • Class Limnochordia Watanabe, Kojima & Fukui 2015
    • Limnochordales Watanabe, Kojima & Fukui 2015

Phylum "Halanaerobiaeota"

Phylogeny of Halanaerobiia[9][10][11]
 
 

Anoxybacter

 
 
 

Halanaerobiales

 
 

"Halobacteroidales"

 
 
 
  • Class "Halanaerobiia" Cavalier-Smith 2020
    • Anoxybacter Zeng et al. 2015
    • Halanaerobiales corrig. Rainey & Zhilina 1995
    • "Halobacteroidales"

Phylum "Desulfotomaculota"

Phylogeny of Desulfotomaculota[9][10][11]
 
 
"Dehalobacteriia"

"Dehalobacteriales"

 
 
"Peptococcia"
 

Thermanaerosceptrum

 
 

"Peptococcales"

 
 
"Desulfitobacteriia"
 

"Heliobacteriales"

 
 

"Desulfitobacteriales"

 
 
 
 
 
 
"Moorellia"
 

"Desulfitibacterales"

 
 
 

"Calderihabitantales"

 
 

Moorellales

 
 
 
"Syntrophomonadia"
 

"Thermacetogeniales"

 
 

"Syntrophomonadales"

 
 
 
 
"Thermincolia"
 

"Thermincolales"

 
 

"Carboxydocellales"

 
 
"Desulfotomaculia"
 

"Carboxydothermales"

 
 
 

"Ammonificales"

 
 

"Desulfotomaculales"

 
 
 
 
 
 
  • Class "Dehalobacteriia"
    • "Dehalobacteriales"
  • Class "Peptococcia"
    • "Peptococcales"
    • Thermanaerosceptrum corrig. Hamilton-Brehm et al. 2021
  • Class "Desulfitobacteriia"
    • "Desulfitobacteriales"
    • "Heliobacteriales" Cavalier-Smith 2020
  • Class "Moorellia"
    • "Calderihabitantales"
    • "Desulfitibacterales"
    • Moorellales Lv et al. 2020
  • Class "Syntrophomonadia"
    • "Syntrophomonadales"
    • "Thermacetogeniales"
  • Class "Thermincolia"
    • "Carboxydocellales"
    • "Thermincolales"
  • Class "Desulfotomaculia" Watanabe, Fukui & Kuever 2020
    • "Ammonificales"
    • "Carboxydothermales"
    • "Desulfotomaculales" Watanabe, Fukui & Kuever 2020

Phylum "Selenobacteria"

Phylogeny of Selenobacteria[9][10][11]
 
 
 

Acidaminococcales

 
 

Veillonellales

 
 
 
 
 

"Sporomusales"

 
 

"Propionisporales"

 
 
 

Selenomonadales

 
 
 
  • Class Negativicutes Marchandin et al. 2010
    • Acidaminococcales Campbell, Adeolu & Gupta 2015
    • "Anaeromusales"
    • Selenomonadales Marchandin et al. 2010
    • "Sporomusales" Cavalier-Smith 2006
    • Veillonellales Campbell, Adeolu & Gupta 2015

Phylum Bacillota A

Phylogeny of Bacillota A[9][10][11]
 
"Thermosediminibacteria"

Thermosediminibacterales

 
 
"Thermoanaerobacteria"
 

"Caldicellulosiruptorales"

 
 
 

"Caldanaerobiales"

 
 

Thermoanaerobacterales

 
 
 
 
 
"Mahellia"

"Mahellales"

 
 
 

"Caldicoprobacterales"

 
 

"Christensenellales"

 
 
 
Clostridiia
 
 
 

"Lutisporales"

 
 

Clostridiales

 
 
 
 

Eubacteriales

 
 
 

Tissierellales

 
 

"Peptostreptococcales"

 
 
 
 
 
 
 
 

"Saccharofermentanales"

 
 

"Acetivibrionales"

 
 
 
 

Petroclostridium

 
 
 

"Monoglobales"

 
 

"Oscillospirales"

 
 
 
 
 

"Lachnospirales"

 
 
 
 
 
 
  • Class "Thermosediminibacteria"
  • Class "Thermoanaerobacteria"
  • Class "Mahellia"
    • "Mahellales"
  • "Caldicoprobacterales"
  • "Christensenellales"
  • Class Clostridiia Rainey 2010 em. Cavalier-Smith 2020
    • Clostridiales Prevot 1953 s.s.
    • Eubacteriales Buchanan 1917
    • "Lachnospirales"
    • "Lutisporales"
    • "Monoglobales"
    • "Oscillospirales"
    • Petroclostridium Zhang et al. 2018b
    • "Peptostreptococcales"
    • "Saccharofermentanales"
    • Tissierellales Alauzet et al. 2020

Phylum Bacillota D

Phylogeny of Bacillota D[9][10][11]
 
"Proteinivoracia"

"Proteinivoracales"

 
 
"Dethiobacteria"

"Dethiobacterales"

 
"Natranaerobiia"

Natranaerobiales

 
 
 
  • Class "Proteinivoracia"
    • "Proteinivoracales"
  • Class "Dethiobacteria"
    • "Dethiobacterales"
  • Class "Natranaerobiia"

Phylum "Bacillota"

Phylogeny of Bacillota[9][10][11]
 
"Alicyclobacillia"
 

"Tumebacillales"

 
 
 

"Kyrpidiales"

 
 

"Alicyclobacillales"

 
 
 
 
"Desulfuribacillia"

"Desulfuribacillales"

 
"Bacillia"
 
 

"Calditerricolales"

 
 

"Thermoactinomycetales"

 
 
 
 
 

"Tepidibacillales"

 
 

"Paenibacillales"

 
 
 
 
 

"Aneurinibacillales"

 
 

"Brevibacillales"

 
 
 
 
 

"Rubeoparvulales"

 
 
 

"Thermicanales"

 
 

DSM-22653

 
 
 
 
 

"Caldalkalibacillales"

 
 
 

"Exiguobacterales"

 
 
 

Bacillales H

 
 
 

Bacillales G

 
 
 

Bacillales E

 
 
 

Bacillales D

 
 
 

Bacillales C

 
 
 

Bacillales

 
 
 

Bacillales B

 
 
 

Caryophanales

 
 
 
 

"Staphylococcales"

 
 

"Erysipelotrichidae"

 
 
 

Lactobacillales

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  • Class "Alicyclobacillia" [Bacillota K]
    • "Alicyclobacillales"
    • "Kyrpidiales"
    • "Tumebacillales"
  • Class "Desulfuribacillia" [Bacillota J]
    • "Desulfuribacillales"
  • Class "Bacillia" Cavalier-Smith 2020

Phylum "Margulisbacteria"

  • Class "Saganbacteria" Carnevali et al. 2018
  • Class "Riflemargulisbacteria" Carnevali et al. 2019 [GTDB tag: GWF2_35_9]
  • Class "Marinamargulisbacteria" Carnevali et al. 2019
  • Class "Termititenacia" Utami et al. 2019
    • "Termititenacales" Utami et al. 2019

Phylum "Cyanobacteria"

Clade Candidate Phyla Radiation

Phylogeny of Patescibacteria[9][10][11]
 
 

"Wirthbacteria" (CG2-30-54-11)

 
 
"Microgenomates"
 

"Dojkabacteria"

 
 
 

"Katanobacteria"

 
 

"Microgenomatia" cont'd

 
 
cluster
 
 

"Gracilibacteria" cont'd

 
 
"Saccharibacteria"
 

"Berkelbacteria"

 
 
 

"Kazanbacteria" (Kazan)

 
 
 

"Howlettbacteria"

 
 

"Saccharimonadia"

 
 
 
cluster
"Parcubacteria"
 
 

"Andersenbacteria"

 
 

"Doudnabacteria"

 
 
 
 
 

"Torokbacteria" (GCA-2792135)

 
 

ABY1 cont'd

 
 
 

"Paceibacteria" cont'd

 
 
cluster
 
 
 
 

Phylum "Elulota"

  • Class "Elulimicrobia" Rodriguez-R et al. 2020
    • "Elulimicrobiales" Rodriguez-R et al. 2020

Phylum "Patescibacteria"

Phylogeny of Microgenomatia
 
 
 

"Woykebacterales"

 
 
 

"Curtissbacterales"

 
 

"Daviesbacterales"

 
 
 
 
 
 

"Roizmanbacterales" (UBA1406)

 
 
 

"Gottesmanbacterales" (UBA10105)

 
 

"Levybacterales"

 
 
 
 
 
 

"Shapirobacterales" (UBA12405)

 
 

GWA2-44-7

 
 
 

UBA1400

 
 
 
 
Phylogeny of Gracilibacteria
 
 
 

"Absconditabacterales"

 
 

"Gracilibacterales" (BD1-5)

 
 
 
 

"Abawacabacterales" (RBG-16-42-10)

 
 
 

"Peregrinibacterales" (UBA1369)

 
 
 

"Fertabacterales" (UBA4473)

 
 

"Peribacterales"

 
 
 
 
 
Phylogeny of ABY1
 
 

"Kerfeldbacterales" (SBBC01)

 
 
 
 
 

"Jacksonbacterales" (UBA9629)

 
 

"Kuenenbacterales" (UBA2196)

 
 
 
 

"Veblenbacterales"

 
 

"Komeilibacterales" (UBA1558)

 
 
 
 
 
 

"Falkowbacterales" (BM507)

 
 

"Buchananbacterales"

 
 
 
 

"Uhrbacterales" (GWA2-46-9)

 
 

"Magasanikbacterales"

 
 
 
 
 
Phylogeny of Paceibacteria
 
 

"Moranbacterales"

 
 
 

UBA9983_A

 
 
 

UBA6257

 
 
 
 
 

"Portnoybacterales"

 
 

"Parcunitrobacterales" (GWA2-38-13b)

 
 
 

"Paceibacterales"

 
 
 
 

"Azambacterales" (UBA10092)

 
 
 

"Terrybacterales"

 
 
 

"Yanofskybacterales" (2-02-FULL-40-12)

 
 
 

"Spechtbacterales"

 
 
 

"Sungbacterales"

 
 
 

"Ryanbacterales"

 
 
 

"Tagabacterales"

 
 

"WO2-41-13"

 
 
 
 
 
 
 
 
 
 
 
 
  • Class "Wirthbacteria"
  • Class "Dojkabacteria" (WS6)
  • Class "Katanobacteria" (WWE3)
  • Class "Microgenomatia"
    • Clade GWA2-44-7
    • Clade UBA1400
    • "Curtissbacterales"
    • "Daviesbacterales"
    • "Gottesmanbacterales"
    • "Levybacterales"
    • "Roizmanbacterales"
    • "Shapirobacterales"
    • "Woykebacterales" (RIF34)
  • Class "Gracilibacteria"
    • "Abawacabacterales" (RIF46)
    • "Absconditabacterales" (SR1)
    • "Gracilibacterales" (GN02)
    • "Fertabacterales" (DOLZORAL124_38_8)
    • "Peregrinibacterales" (PER)
    • "Peribacterales"
  • Class "Berkelbacteria" (ACD58)
  • Class "Kazanbacteria" (Kazan)
  • Class "Howlettbacteria" (CPR2)
  • Class "Saccharimonadia" (TM7)
    • "Saccharimonadales"
  • Class "Andersenbacteria" (RIF9)
  • Class "Doudnabacteria" (SM2F11)
  • Class "Torokbacteria"
  • Class "ABY1"
    •  ?"Brownbacterales"
    • "Buchananbacterales" (RIF37)
    • "Falkowbacterales"
    • "Jacksonbacterales" (RIF38)
    • "Kerfeldbacterales" (RIF4)
    • "Komeilibacterales" (RIF6)
    • "Kuenenbacterales"
    • "Magasanikbacterales"
    • "Uhrbacterales"
    • "Veblenbacterales" (RIF39)
  • Class "Paceibacteria"
    • "Azambacterales"
    • Clade "WO2-41-13" (RIF11)
    • Clade UBA6257
    • Clade UBA9983_A
    • "Moranbacterales" (OD1-i)
    • "Paceibacterales"
    • "Parcunitrobacterales"
    • "Portnoybacterales" (RIF22)
    • "Ryanbacterales" (RIF10)
    • "Spechtbacterales" (RIF19)
    • "Sungbacterales" (RIF17)
    • "Tagabacterales" (RIF12)
    • "Terrybacterales" (RIF13)
    • "Yanofskybacterales"

Clade "Thermotogida"

Phylum Atribacterota

  • Class Atribacteria (OP9)
    • Atribacterales Katayama et al. 2021
  • Class "Caldatribacteriia"
    • "Caldatribacteriales"

Phylum Synergistota

Phylum Dictyoglomota

Phylum "Cryosericota"

Phylum "Calescamantes"

  • Class "Calescibacteriia" (EM19)
    • "Calescibacteriales"

Phylum "Thermodesulfobiota"

  • Class "Thermodesulfobiia"
    • "Thermodesulfobiales" Cavalier-Smith 2020

Phylum Coprothermobacterota

Phylum "Bipolaricaulota"

  • Class "Bipolaricaulia"
    • "Bipolaricaulales" (KB1 group, OP1)
    • "Fraserbacterales" [GTDB tag: RIF31; RBG-16-55-9]

Phylum Thermotogota

Phylogeny of Thermotogota[9][10][11]
 
 

Mesoaciditogales

 
 
 

Petrotogales

 
 

Thermotogales

 
 
 
  • Class Thermotogae
    • Mesoaciditogales Itoh et al. 2016
    • Petrotogales Bhandari & Gupta 2014 (Kosmotogales)
    • Thermotogales Reysenbach 2002 emend. Bhandari & Gupta 2014

Hydrobacteria

Phylum Spirochaetota

Phylogeny of Spirochaetota[9][10][11]
 
"Leptospirae"
 

"Turneriellales"

 
 

Leptospirales

 
"Leptospiria"
"Euspirochaetae"
 
 

Brevinematales

 
 

Brachyspirales

 
 
Spirochaetia
 

Borreliales

 
 

Spirochaetales

 
 
 
 

Phylum "Poribacteria"

  • Class "Entoporibacteria" Podell et al. 2019
  • Class "Pelagiporibacteria" Podell et al. 2019

Phylum "Omnitrophica"

  • Class "Omnitrophia" (OP3)
    • "Omnitrophales"

Phylum "Aerophobetes"

Phylum Elusimicrobiota

  • Class "Elusimicrobia" (TG1)
    • "Elusimicrobiales" Geissinger et al. 2010
  • Class "Endomicrobia"
    • "Endomicrobiales" Zheng et al. 2018

Phylum "Muirbacteria"

  • Class "Muirbacteriia"
    • "Muirbacteriales"

Phylum "Riflebacteria"

  • Class "Riflebacteriia"
    • "Riflebacteriales"
  • Class "Ozemobacteria"
    • "Ozemobacterales" Kadnikov et al. 2018

Phylum Fusobacteriota

Phylum "Sumerlaeota"

  • Class "Sumerlaeia" Kadnikov et al. 2018
    • "Sumerlaeales" Kadnikov et al. 2018

Phylum "Hydrogenedentes"

  • Class "Hydrogenedentia" (NKB19)
    • "Hydrogenedentiales"

Phylum "Saltatorellota"

  • Class "Saltatorellae" Wiegand et al. 2019
    • "Saltatorellales" Wiegand et al. 2019

Phylum Planctomycetota

Phylogeny of Planctomycetota[9][10][11]
 
"Brocadiae"

"Brocadiales"

 
 
Phycisphaerae
 

Phycisphaerales

 
 

Sedimentisphaerales

 
 
Planctomycetia
 
 

Gemmatales

 
 

Isosphaerales

 
 
 
 

Planctomycetales

 
 

Pirellulales

 
 
 
 
 

Phylum Chlamydiota

  • Class Chlamydiia
    • "Anoxychlamydiales" Dharamshi et al. 2019
    • Chlamydiales Storz & Page 1971 em. Everett et al. 1999 (Parachlamydiales)

Phylum Verrucomicrobiota

Phylogeny of Verrucomicrobiota[9][10][11]
 
Lentisphaeria
 

Lentisphaerales

 
 

Victivallales

 
 
 
Kiritimatiellae

Kiritimatiellales

 
Verrucomicrobiia
 

Opitutales

 
 
 

"Pedosphaerales"

 
 
 

"Methylacidiphilales"

 
 
 

"Chthoniobacterales"

 
 

Verrucomicrobiales

 
 
 
 
 
 
 
  • Class Oligosphaeria
    • Oligosphaerales Qiu et al. 2013
  • Class Lentisphaeria
    • Lentisphaerales Cho et al. 2004
    • Victivallales Cho et al. 2004
  • Class Tichowtungiia
    • Tichowtungiales Mu et al. 2020
  • Class Kiritimatiellae
    • Kiritimatiellales Spring et al. 2017
  • Class "Verrucomicrobiia"
    • "Chthoniobacterales" Sangwan et al. 2004 (Terrimicrobiales)
    • Opitutales Choo et al. 2007 (Puniceicoccales)
    • "Pedosphaerales"
    • "Methylacidiphilales" Op den Camp 2009
    • Verrucomicrobiales Ward-Rainey et al. 1996 em. Yoon et al. 2008

Phylum "Marinimicrobia"

(Candidate phylum SAR406; candidate phylum Marine Group A)

Phylum "Mcinerneyibacteriota"

  • Class "Mcinerneyibacteria" Yadav et al. 2020
    • "Mcinerneyibacteriales" Yadav et al. 2020

Phylum "Hydrothermota"

  • Class "Stahlbacteria" (WOR-3)
  • Class "Hydrothermia" Chuvochina et al. 2019
    • "Hydrothermales" Chuvochina et al. 2019 (EM3)
    • LBFQ01 ["Pyropristinus" Colman et al. 2016]

Phylum "Fermentibacteria"

  • Class "Fermentibacteria" Kirkegaard 2016 ("Aegiribacteria")
    • "Fermentibacterales" Kirkegaard 2016 (Hyd24-12)

Phylum "Cloacimonetes"

  • Class "Cloacimonadia"
    • "Cloacimonadales" (WWE1)

Phylum Fibrobacterota

Phylum "Latescibacteria"

  • Class "Latescibacteria"
    • "Latescibacterales"

Phylum "Krumholzibacteriota"

  • Class "Krumholzibacteriia" corrig. Youssef et al. 2019
    • "Delphibacterales" (DOLZORAL124_64_63; LZORAL124-64-63)
    • "Krumholzibacteriales" Youssef et al. 2019 (UBP1)

Phylum Gemmatimonadota

  • Class "Glassbacteria" (RIF5)
  • Class Gemmatimonadetes Zhang et al. 2003
    • Gemmatimonadales Zhang et al. 2003
    • Longimicrobiales Pascual et al. 2016

Phylum "Marinisomatota"

  • Class "Marinisomatia"
    • "Marinisomatales" (SAR406)

Phylum Calditrichota

  • Class "Calditrichia" Cavalier-Smith 2020

Phylum Bacteroidota

Phylogeny of Bacteroidota[9][10][11]
 
 
"Kapabacteria"

Kapabacteriales

 
 
"Kryptonia"

Kryptoniales

 
Ignavibacteriia

Ignavibacteriales

 
 
 
 
Chlorobia

Chlorobiales

 
 
Rhodothermia
 

Balneolales

 
 

Rhodothermales

 
 
Bacteroidia
 

Cytophagales

 
 
 

Chitinophagales

 
 
 

Sphingobacteriales

 
 
 

Bacteroidales

 
 

Flavobacteriales

 
 
 
 
 
 
 
 

Phylum Nitrospirota_A

  • Class "Leptospirillia"
    • "Leptospirillales"

Phylum "Dependentiae"

  • Class "Babeliae" Yeoh et al. 2016 (TM6)
    • "Babelales"

Phylum Desulfobacterota G

  • Class Syntrophorhabdia Waite et al. 2020
    • Syntrophorhabdales Waite et al. 2020

Phylum SZUA-79

  • Class SZUA-79
    • "Acidulidesulfobacterales" corrig. Tan et al. 2019

Phylum "Thermosulfidibacteraeota"

  • Class "Thermosulfidibacteria"
    • "Thermosulfidibacterales" Cavalier-Smith 2020

Phylum "Chrysiogenetota"

Phylum Deferribacterota

Phylum Aquificota

Phylogeny of Aquificota[9][10][11]
 
"Desulfurobacteriia"

Desulfurobacteriales

 
"Aquificae"
 

"Hydrogenothermales"

 
 

Aquificales

 
 
 
  • Class "Desulfurobacteriia"
    • Desulfurobacteriales Gupta & Lali 2014
  • Class "Aquificae"
    • Aquificales Reysenbach 2002 emend. Gupta & Lali 2013
    • "Hydrogenothermales"

Phylum Campylobacterota

Phylum Acidobacteriota

Phylogeny of Acidobacteriota[9][10][11]
 
 
Thermoanaerobaculia

Thermoanaerobaculales

 
Holophagae
 

Thermotomaculales

 
 
 

Acanthopleuribacterales

 
 

Holophagales

 
 
 
 
 
"Aminicenantia"

Aminicenantales

 
 
Vicinamibacteria

Vicinamibacterales

 
 
Blastocatellia
 

Chloracidobacteriales

 
 

Blastocatellales

 
 
Acidobacteriia
 

Bryobacterales

 
 

Acidobacteriales

 
 
 
 
 
 
  • Class "Fischerbacteria" (RIF25)
  • Class "Guanabacteria" Tschoeke et al. 2020
  • Class Thermoanaerobaculia Dedysh & Yilmaz 2018
    • Thermoanaerobaculales Dedysh & Yilmaz 2018
  • Class Holophagae
    • Acanthopleuribacterales Fukunaga et al. 2008
    • Holophagales Fukunaga et al. 2008
    • Thermotomaculales Dedysh & Yilmaz 2018
  • Class "Aminicenantia"
    • "Aminicenantales" Kadnikov et al. 2019 (OP8)
  • Class Vicinamibacteria Dedysh & Yilmaz 2018
    • Vicinamibacterales Dedysh & Yilmaz 2018
  • Class Blastocatellia Pascual et al. 2016
  • Class Acidobacteriia
    • Acidobacteriales Cavalier-Smith 2002
    • "Acidoferrales" Epihov et al. 2021
    • Bryobacterales Dedysh & Yilmaz 2018

Phylum "Modulibacteria"

  • Class "Moduliflexia" Sekiguchi et al. 2015 (KSB3)
    • "Moduliflexales" Sekiguchi et al. 2015

Phylum "Methylomirabilaeota"

  • Class "Rokubacteria" Hug et al. 2016 (CSP1-6)
    • "Rokubacteriales"
  • Class "Methylomirabilia"
    • ""Methylomirabilales"

Phylum "Tectomicrobia"

  • Class "Entotheonellia"
    • "Entotheonellales" Schmidt et al. 2000

Phylum Nitrospinota

  • Class "Nitrospinia" Lucker et al. 2013
    • "Nitrospinales" Lucker et al. 2013

Phylum Nitrospirota

  • Class "Thermodesulfovibrionia" Umezawa et al. 2021
    • "Thermodesulfovibrionales" Umezawa et al. 2021
  • Class "Nitrospiria Oren et al. 2015

Phylum "Deferrisomatota"

Phylum Thermodesulfobacteriota

Phylogeny of Thermodesulfobacteriota[9][10][11]
 
Desulfuromonadia
 

Geobacterales

 
 

Desulfuromonadales

 
 
 
 

Syntrophales

 
 
 

Desulfomonilales

 
 
 
 
 
 

Dissulfuribacterales

 
 

Thermodesulfobacteriales

 
 
 

Desulfobulbales

 
 
 

Desulfovibrionales

 
 
 
 
 

"Desulfofervidales"

 
 
 

Desulfarculales

 
Desulfobaccia
 

"Adiutricales"

 
 

Desulfobaccales

 
 
 
 
 
Syntrophobacteria

Syntrophobacterales

 
Desulfobacteria
 

Desulfatiglanales

 
 

Desulfobacterales

 
 
 
 
 
 
 
 
  •  ?"Anaeroferrophillales" Murphy et al. 2021
  •  ?"Zymogeniales" Murphy et al. 2021
  • Class Desulfuromonadia Waite et al. 2020
  • Class Syntrophia Waite et al. 2020
  • Class Desulfomonilia Waite et al. 2020
  • Class Dissulfuribacteria Waite et al. 2020
    • Dissulfuribacterales Waite et al. 2020
  • Class Thermodesulfobacteriia Hatchikian, Ollivier & Garcia 2002 em. Cavalier-Smith 2020
  • Class Desulfobulbia Waite et al. 2020
    • Desulfobulbales Waite et al. 2020
  • Class Desulfovibrionia Waite et al. 2020
  • Class Desulfofervidia Waite et al. 2020
    • "Desulfofervidales" Waite et al. 2020
  • Class Desulfarculia Waite et al. 2020
    • Desulfarculales corrig. Kuever, Rainey & Widdel 2006
  • Class Desulfobaccia Waite et al. 2020
    • "Adiutricales" Waite et al. 2020
    • Desulfobaccales Waite et al. 2020
  • Class Syntrophobacteria Waite et al. 2020
  • Class Desulfobacteria Waite et al. 2020

Phylum Bdellovibrionota

Phylogeny of Bdellovibrionota[9][10][11]
 
Oligoflexia
 

Oligoflexales

 
 

Silvanigrellales

 
 
 
Bacteriovoracia

Bacteriovoracales

 
Bdellovibrionia

Bdellovibrionales

 
 
 

Phylum "Binatota"

  • Class "Binatia" Chuvochina et al. 2019
    • "Binatales" Chuvochina et al. 2019

Phylum Myxococcota

Phylogeny of Myxococcota[9][10][11]
 
"Bradymonadia"

Bradymonadales

 
 
Myxococcia

Myxococcales

 
Polyangia
 

Haliangiales

 
 

Polyangiales

 
 
 
 
  • Class "Bradymonadia"
    • Bradymonadales Wang et al. 2015
  • Class Polyangia Waite et al. 2020
    • Haliangiales Waite et al. 2020
    • Polyangiales Tchan, Pochon & Prevot 1948
  • Class Myxococcia Waite et al. 2020

Phylum SAR324

  • Class Lambdaproteobacteria Anantharaman et al. 2016

Phylum Pseudomonadota

Phylogeny of Pseudomonadota[9][10][11]
 
 
"Magnetococcia"

Magnetococcales

 
Alphaproteobacteria
 
 

Rickettsiidae cont'd

 
 

Rhodobacteriae cont'd

 
 
 

Caulobacteridae cont'd

 
 
 
 
Mariprofundia

Mariprofundales

 
Gammaproteobacteria
 

"Thiohalorhabdales"

 
 
 

Acidithiobacillales {"Acidithiobacillidae"}

 
 
 

Burkholderiales {"Neisseriidae"}

 
 

"Pseudomonadidae" cont'd

 
 
 
 
 
 
Phylogeny of Rickettsiidae
 
 
 
 

"Deianiraeaceae" {Rickettsiales_A}

 
 

1604HC

 
 
 

Holosporales

 
 
 

Rickettsiales

 
 
Phylogeny of Rhodobacteriae
 
 

"Pelagibacterales"

 
 
 

Bartonellaceae {Rhizobiales_A}

 
 

Rhodobacterales

 
 
 
Phylogeny of Caulobacteridae
 
 

"Puniceispirillales"

 
 
 
 

"Paracaedibacterales"

 
 

"Caedimonadales"

 
 
 
 

"Micavibrionales"

 
 
 
 

"Reyranellales"

 
 
 

Tagaea

 
 

"Acetobacterales"

 
 
 
 
 
 

Rhodospirillales

 
 
 

UBA8366

 
 
 

Kiloniellales

 
 
 

"Thalassobaculales"

 
 
 

"Dongiales"

 
 
 
 

"Elsterales"

 
 

Stellaceae

 
 
 

"Azospirillales"

 
 
 
 
 
 
 
 
 
 

"Tistrellales"

 
 

"Geminicoccales"

 
 
 
 
 

"Zavarziniales"

 
 

"Ferrovibrionales"

 
 
 
 
 

Minwuiales

 
 

Sneathiellales

 
 
 
 

Sphingomonadales

 
 
 
 

Micropepsales

 
 

Caulobacterales

 
 
 
 

"Parvibaculales"

 
 

Hyphomicrobiales

 
 
 
 
 
 
 
 
 
 
 
 
Phylogeny of Pseudomonadidae
 
 
 

Arenicellales

 
 

Acidiferrobacterales

 
 
 
 

"Porisulfidaceae"

 
 
 
 
 

"Halothiobacillales"

 
 
 

"Thiomicrospirales"

 
 

Cardiobacteriales

 
 
 
 
 
 
 

Halofilum

 
 

"Granulosicoccales"

 
 
 
 

Thiotrichales

 
 

"Ectothiorhodospirales"

 
 
 
 
 
 
 
 
 

Inmirania

 
 

Thioalbus

 
 
 

"Competibacterales"

 
 
 
 

Thiohalobacterales

 
 

Chromatiales

 
 
 
 
 
 

Immundisolibacterales

 
 

Beggiatoales

 
 
 
 
 

SZUA-21

 
 
 

"Tenderiales"

 
 
 

"Thiohalospirales"

 
 

"Thiohalomonadales"

 
 
 
 
 
 

"Nitrosococcales"

 
 

Methylococcales

 
 
 
 
 
 
 
 
 

"Woeseiales

 
 

"Steroidobacterales"

 
 
 
 

"Ca. Macondimonas"

 
 

Nevskiales

 
 
 
 
 

"Nitrococcales"

 
 

Xanthomonadales

 
 
 
 
 
 
 
 
 

"Piscirickettsiales"

 
 
 

"Berkiellales"

 
 
 
 
 

"Thioglobaceae"

 
 
 

"Evansiales"

 
 

Enterobacteriaceae_A

 
 
 
 

"Francisellales"

 
 
 
 
 
 

Aquicella

 
 

"Coxiellales"

 
 
 

"Diplorickettsiales"

 
 
 

Legionellales

 
 
 
 
 
 
 

Pseudomonadales

 
 
 

Pelagibaculum

 
 

Enterobacterales

 
 
 
 
 
 
 

List of Candidate Phyla

  • "Endoecteinascidia"
  • "Fervidibacteria" Rinke et al. 2013 (OctSpa1-106)
  • "Moisslbacteria" Probst et al. 2018
  • "Salinosulfoleibacteria" Tazi et al. 2006
  • "Teskebacteria" Dojka 1998 (WS1)

See also

References

  1. J.P. Euzéby. "Bacteria". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved 2021-06-27.
  2. Sayers; et al. "Bacteria". National Center for Biotechnology Information (NCBI) taxonomy database. Retrieved 2021-03-20.
  3. All-Species Living Tree Project."16S rRNA-based LTP release 132". Silva Comprehensive Ribosomal RNA Database. Retrieved 2020-08-20.
  4. Parks, DH; Chuvochina, M; Waite, DW; Rinke, C; Skarshewski, A; Chaumeil, PA; Hugenholtz, P (November 2018). "A standardized bacterial taxonomy based on genome phylogeny substantially revises the tree of life". Nature Biotechnology. 36 (10): 996–1004. bioRxiv 10.1101/256800. doi:10.1038/nbt.4229. PMID 30148503. S2CID 52093100.
  5. Parks, DH; Chuvochina, M; Chaumeil, PA; Rinke, C; Mussig, AJ; Hugenholtz, P (September 2020). "A complete domain-to-species taxonomy for Bacteria and Archaea". Nature Biotechnology. 38 (9): 1079–1086. bioRxiv 10.1101/771964. doi:10.1038/s41587-020-0501-8. PMID 32341564. S2CID 216560589.
  6. Chaumeil, PA; Mussig, AJ; Hugenholtz, P; Parks, DH (15 November 2019). "GTDB-Tk: a toolkit to classify genomes with the Genome Taxonomy Database". Bioinformatics. doi:10.1093/bioinformatics/btz848. PMC 7703759. PMID 31730192.
  7. Almeida, Alexandre; Nayfach, Stephen; Boland, Miguel; Strozzi, Francesco; Beracochea, Martin; Shi, Zhou Jason; Pollard, Katherine S.; Sakharova, Ekaterina; Parks, Donovan H.; Hugenholtz, Philip; Segata, Nicola; Kyrpides, Nikos C.; Finn, Robert D. (20 July 2020). "A unified catalog of 204,938 reference genomes from the human gut microbiome". Nature Biotechnology. doi:10.1038/s41587-020-0603-3. PMC 7801254. PMID 32690973.
  8. Nayfach, Stephen; Roux, Simon; Seshadri, Rekha; Udwary, Daniel; Varghese, Neha; Schulz, Frederik; Wu, Dongying; Paez-Espino, David; Chen, I-Min; Huntemann, Marcel; Palaniappan, Krishna; Ladau, Joshua; Mukherjee, Supratim; Reddy, T. B. K.; Nielsen, Torben; Kirton, Edward; Faria, José P.; Edirisinghe, Janaka N.; Henry, Christopher S.; Jungbluth, Sean P.; Chivian, Dylan; Dehal, Paramvir; Wood-Charlson, Elisha M.; Arkin, Adam P.; Tringe, Susannah G.; Visel, Axel; Woyke, Tanja; Mouncey, Nigel J.; Ivanova, Natalia N.; Kyrpides, Nikos C.; Eloe-Fadrosh, Emiley A. (9 November 2020). "A genomic catalog of Earth's microbiomes". Nature Biotechnology. doi:10.1038/s41587-020-0718-6. PMC 8041624.
  9. "GTDB release 06-RS202". Genome Taxonomy Database. Retrieved 6 December 2021.
  10. "ar122_r202.sp_label". Genome Taxonomy Database. Retrieved 6 December 2021.
  11. "Taxon History". Genome Taxonomy Database. Retrieved 6 December 2021.
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