List of Archaea genera

From Wikipedia, the free encyclopedia

This article lists the genera of the Archaea. 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] However, in the List provided below, GTDB has precedence unless otherwise noted.

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.^[3]^[4]^[5]^[6]^[7]

Cladogram was taken from the GTDB release 08-RS214 (28th April 2023).^[8]^[9]^[10] The position of clades with a "question mark" are based on the additional phylogeny of the 16S rRNA-based LTP_12_2021 by The All-Species Living Tree Project.^[11]^[12]^[13]

Archaea

	"Undinarchaeota"

"Huberarchaeaota"

	"Aenigmarchaeota"

	"Nanohalarchaeota"

"Nanoarchaeota"

"Altarchaeota"

	"Iainarchaeota"

	"Micrarchaeota"

	"Hadarchaeota"

	Methanobacteriota_B

"Methanomada"

	"Hydrothermarchaeota"

	"Methanobacteriota"

"Neoeuryarchaeota"

	"Thermoplasmatota"

	"Halobacteriota"

"Proteoarchaeota"

	"Asgardaeota"

	Thermoproteota

DPANN

"Euryarchaeota"

Phylum "Microcaldota"

Class "Microcaldia"

Order "Microcaldales"

Family "Microcaldaceae" Sakai et al. 2022
- ?"Microcaldus" Sakai et al. 2022

Phylum "Undinarchaeota"

Class "Undinarchaeia"

Order "Undinarchaeales"

Family "Naiadarchaeaceae" Dombrowski et al. 2020
- "Candidatus Naiadarchaeum" Dombrowski et al. 2020
Family "Undinarchaeaceae" Dombrowski et al. 2020
- "Candidatus Undinarchaeum" Dombrowski et al. 2020

Phylum "Altarchaeota"

Class "Altarchaeia"

Order "Altarchaeales"

Family "Altarchaeaceae" corrig. Probst et al. 2014
- "Candidatus Altarchaeum" corrig. Probst et al. 2014

Phylum "Iainarchaeota"

Class "Iainarchaeia"

Order "Forterreales"

Family "Forterreaceae" Pallen, Rodriguez-R & Alikhan 2022
- "Candidatus Forterrea" Probst & Banfield 2017

Order "Iainarchaeales"

Family "Iainarchaeaceae" Rinke et al. 2020
- "Candidatus Iainarchaeum" Rinke et al. 2013

Phylum "Micrarchaeota"

Phylogeny of Micrarchaeota^[8]^[9]^[10]

"Norongarragalinales"	"Ca. Norongarragalina"

"Micrarchaeales"

"Micrarchaeaceae"

	"Ca. Mancarchaeum"

	"Ca. Micrarchaeum"

"Anstonellales"

"Anstonellaceae"	"Ca. Anstonella"

"Bilamarchaeaceae"	"Ca. Bilamarchaeum"

"Fermentimicrarchaeales"	"Ca. Fermentimicrarchaeum"

"Burarchaeales"	"Ca. Burarchaeum"

"Gugararchaeales"	"Ca. Gugararchaeum"

Class "Micrarchaeia"

Order "Norongarragalinales"

Family "Norongarragalinaceae" Vázquez-Campos et al. 2021
- "Candidatus Norongarragalina" Vázquez-Campos et al. 2021

Order "Micrarchaeales"

Family "Micrarchaeaceae" Vázquez-Campos et al. 2021
- "Candidatus Mancarchaeum" Golyshina et al. 2017
- "Candidatus Micrarchaeum" Baker et al. 2010

Order "Anstonellales"

Family "Anstonellaceae" Vázquez-Campos et al. 2021
- "Candidatus Anstonella" Vázquez-Campos et al. 2021
Family "Bilamarchaeaceae" Vázquez-Campos et al. 2021
- "Candidatus Bilamarchaeum" Vázquez-Campos et al. 2021

Order "Fermentimicrarchaeales"

Family "Fermentimicrarchaeaceae" Kadnikov et al. 2020 (Sv326)
- "Candidatus Fermentimicrarchaeum" Kadnikov et al. 2020

Order "Burarchaeales"

Family "Burarchaeaceae" Vázquez-Campos et al. 2021
- "Candidatus Burarchaeum" Vázquez-Campos et al. 2021

Order "Gugararchaeales"

Family "Gugararchaeaceae" Vázquez-Campos et al. 2021
- "Candidatus Gugararchaeum" Vázquez-Campos et al. 2021

Phylum "Huberarchaeaota"

Class "Huberarchaeia"

Order "Huberarchaeales"

Family "Huberarchaeaceae" Rinke et al. 2020
- "Candidatus Huberarchaeum" corrig. Schwank et al. 2019

Phylum "Aenigmatarchaeota"

Class "Aenigmatarchaeia"

Order "Aenigmatarchaeales"

Family "Aenigmatarchaeaceae" corrig. Rinke et al. 2020
- "Candidatus Aenigmatarchaeum" corrig. Rinke et al. 2013

Phylum "Nanohalarchaeota"

Phylogeny of Nanohalobiaceae^[8]^[9]^[10]

"Candidatus Nanosalinicola"

	"Candidatus Nanosalina"

	"Candidatus Nanohalobium"

Class "Nanohalarchaeia"

Order "Nanohalarchaeales"

Family "Nanohalarchaeaceae"
- ?"Candidatus Nanohalarchaeum" corrig. Hamm et al. 2019
- ?"Candidatus Nanopetraeus" corrig. Crits‐Christoph et al. 2016

Class "Nanohalobiia"

Order "Nanohalobiales"

Family "Nanoanaerosalinaceae" Zhao et al. 2022
- ?"Candidatus Nanoanaerosalina" Zhao et al. 2022
Family "Nanohalalkaliarchaeaceae" La Cono et al. 2020
- ?"Candidatus Nanohalalkaliarchaeum" Ghai et al. 2011
Family "Nanohalobiaceae" La Cono et al. 2020
- ?"Candidatus Haloredivivus" Ghai et al. 2011
- "Candidatus Nanohalobium" La Cono et al. 2020
- "Candidatus Nanosalina" Narasingarao et al. 2012
- "Candidatus Nanosalinicola" corrig. Narasingarao et al. 2012

Phylum "Nanoarchaeota"

Phylogeny of "Nanoarchaeota"^[8]^[9]^[10]

"Nanoarchaeia"

"Nanoarchaeales"

"Nanoarchaeaceae"

"Nanoarchaeum"

"Nanopusillaceae"

	"Ca. Nanoclepta"

	"Ca. Nanopusillus"

	"Pacearchaeales"

	"Woesearchaeales"

"Tiddalikarchaeales"	"Ca. Tiddalikarchaeum"

"Parvarchaeales"	"Ca. Parvarchaeum"

Class "Nanoarchaeia"

Nanoarchaeia incertae sedis

"Mamarchaeales"
"Pacearchaeales" (DHVE-5, DUSEL-1)
"Wiannamattarchaeales" Vazquez-Campos et al. 2019 (LFWA-II, Eury4AB)
"Woesearchaeales" (DHVE-6)
"Jingweiarchaeales" Rao et al. 2023
- Family "Haiyanarchaeaceae" Rao et al. 2023
  - ?"Candidatus Haiyanarchaeum" Rao et al. 2023
- Family "Jingweiarchaeaceae" Rao et al. 2023
  - ?"Candidatus Jingweiarchaeum" Rao et al. 2023

Order "Nanoarchaeales"

Family "Nanoarchaeaceae" Huber et al. 2011
- "Nanoarchaeum" Huber et al. 2002
Family "Nanopusillaceae" Huber et al. 2011
- Nanobdella Kato et al. 2022
- "Candidatus Nanoclepta" St. John et al. 2019
- "Candidatus Nanopusillus" Wurch et al. 2016 ["Candidatus Nanobsidianus" Castelle et al. 2015]

Order "Tiddalikarchaeales"

Family "Tiddalikarchaeaceae" Vázquez-Campos et al. 2021
- "Candidatus Tiddalikarchaeum" Vázquez-Campos et al. 2021

Order "Parvarchaeales"

Family "Parvarchaeaceae" Rinke et al. 2020
- "Candidatus Acidifodinimicrobium" Luo et al. 2020
- "Candidatus Parvarchaeum" Baker et al. 2010 (ARMAN 4 & 5)
- ?"Candidatus Rehaiarchaeum" Rao et al. 2023

Phylum "Asgardaeota"

Phylogeny of Asgardaeota^[8]^[9]^[10]

"Sifarchaeia"

	"Borrarchaeales"

	"Sifarchaeales"

"Wukongarchaeia"

	"Kariarchaeales"

	"Heimdallarchaeales"

"Jordarchaeia"	"Jordarchaeales"

"Baldrarchaeia"	"Baldrarchaeales"

"Thorarchaeia"	"Thorarchaeales"

"Odinarchaeia"	"Odinarchaeales"

"Hermodarchaeia"

"Hermodarchaeales"

"Lokiarchaeia"

	"Helarchaeales"

	"Lokiarchaeales"

Asgardaeota incertae sedis

Class "Asgardarchaeia"
- Order "Asgardarchaeales"
  - Family "Asgardarchaeaceae" Eme et al. 2023
    - ?"Candidatus Asgardarchaeum" Eme et al. 2023
Class "Balderarchaeia"
- Order "Balderarchaeales"
  - Family "Balderarchaeaceae" Xie et al. 2022
    - ?"Candidatus Balderarchaeum" Xie et al. 2022
Class "Freyrarchaeia"
- Order "Freyrarchaeales"
  - Family "Freyrarchaeaceae" Xie et al. 2022
    - ?"Candidatus Freyrarchaeum" Xie et al. 2022^[14]^[15]

Class "Friggarchaeia"
Class "Gefionarchaeia"
Class "Idunnarchaeia"

Class "Njordarchaeia"
- Order "Njordarchaeales"
  - Family "Njordarchaeaceae" Xie et al. 2022
    - ?"Candidatus Njordarchaeum" Xie et al. 2022^[14]^[16]

Class "Tyrarchaeia"
- Order "Tyrarchaeales"
  - Family "Tyrarchaeaceae" Xie et al. 2022
    - ?"Candidatus Tyrarchaeum" Xie et al. 2022

Class "Sifarchaeia"

Order "Borrarchaeales"

Family "Borrarchaeaceae" Liu et al. 2021
- "Candidatus Borrarchaeum" Liu et al. 2021

Order "Sifarchaeales"

Family "Sifarchaeaceae" Sun et al. 2021
- "Candidatus Sifarchaeum" corrig. Farag, Zhao & Biddle 2020

Class "Wukongarchaeia"

Order "Wukongarchaeales"

Family "Wukongarchaeaceae" Liu et al. 2021
- "Candidatus Wukongarchaeum" Liu et al. 2021

Class "Heimdallarchaeia"

Order "Hodarchaeales"

Family "Hodarchaeaceae" Liu et al. 2021
- "Candidatus Hodarchaeum" Liu et al. 2021

Order "Gerdarchaeales"

Order "Kariarchaeales"

Family "Kariarchaeaceae" Liu et al. 2021
- "Candidatus Kariarchaeum" Liu et al. 2021

Order "Heimdallarchaeales"

Family "Heimdallarchaeaceae" Wu et al. 2022
- ?"Candidatus Heimdallarchaeum" Wu et al. 2022^[17]

Class "Jordarchaeia"

Order "Jordarchaeales"

Family "Jordarchaeaceae" Sun et al. 2021
- "Candidatus Jordarchaeum" Sun et al. 2021

Class "Baldrarchaeia"

Order "Baldrarchaeales"

Family "Baldrarchaeaceae" corrig. Liu et al. 2021
- "Candidatus Baldrarchaeum" corrig. Liu et al. 2021

Class "Thorarchaeia"

Order "Thorarchaeales"

Family "Thorarchaeaceae" (MBG-B)

Class "Odinarchaeia"

Order "Odinarchaeales"

Family "Odinarchaeaceae" Tamarit et al. 2022
- "Candidatus Odinarchaeum" Tamarit et al. 2022

Class "Hermodarchaeia"

Order "Hermodarchaeales"

Family "Hermodarchaeaceae" corrig. Liu et al. 2021
- "Candidatus Hermodarchaeum" corrig. Liu et al. 2021

Class "Lokiarchaeia"

Order "Helarchaeales"

Order "Sigynarchaeales"

Family "Sigynarchaeaceae" Xie et al. 2022^[14]^[18]
- ?"Candidatus Sigynarchaeum" Xie et al. 2022

Order "Lokiarchaeales"

In GTDB as order CR-4

Family "Lokiarchaeaceae" Vanwonterghem et al. 2016
- ?"Candidatus Lokiarchaeum" corrig. Spang et al. 2015 (MBGB, DSAG)
Family "Prometheoarchaeaceae" Pallen, Rodriguez-R & Alikhan 2022^[17] ("MK-D1")
- ?"Candidatus Harpocratesius" Wu et al. 2022^[17]
- "Candidatus Promethearchaeum" corrig. Imachi, Nobu & Takai 2020

Phylum "Thermoproteota"

Phylogeny of Thermoproteota^[8]^[9]^[10]

"Korarchaeia"	"Korarchaeales"

"BAT"

	Conexivisphaerales

	Nitrososphaerales

"Sulfobacteria"

"Methanomethylicia"

	"Nezhaarchaeales"

	"Methanomethylicales"

"Thermoproteia"

"Gearchaeales"

	"Thermofilales"

	Thermoproteales

"Sulfolobia"

	"Marsarchaeales"

	Sulfolobales

Thermoproteota Incertae sedis

"Candidatus Pyrohabitans" Adam et al. 2022
"Brockarchaeia"

Class "Korarchaeia"

Order "Korarchaeales"

Family "Korarchaeaceae" Rinke et al. 2020
- "Candidatus Korarchaeum" Elkins et al. 2008
- "Candidatus Methanodesulfokora" McKay et al. 2019

Class "Bathyarchaeia"

Order "Bathyarchaeales"

Family "Bathyarchaeaceae" Khomyakova et al. 2023
- ?"Candidatus Bathyarchaeum" Khomyakova et al. 2023

Order "Hecatellales"

Family "Hecatellaceae" Rinke et al. 2020
- ?"Candidatus Hecatella" Adam et al. 2022

MCG6

?"Candidatus Termiticorpusculum" Loh, Herve & Brune 2021
?"Candidatus Termitimicrobium" Loh, Herve & Brune 2021

Class Nitrososphaeria_A

Order "Caldarchaeales"

Phylogeny of Nitrososphaeria_A^[8]^[9]^[10]

"Caldarchaeales"

"Caldarchaeaceae"

"Ca. Calditenuis"

"Wolframiiraptoraceae"

"Ca. Terraquivivens"

"Ca. Geocrenenecus"

	"Ca. Benthortus"

	"Ca. Wolframiiraptor"

Family "Caldarchaeaceae" Rinke et al. 2020
- ?"Candidatus Caldarchaeum" corrig. Nunoura et al. 2011 (HWCGI)
- "Candidatus Calditenuis" corrig. Beam et al. 2016
- ?"Candidatus Pelearchaeum" Balbay et al. 2023

Family "Wolframiiraptoraceae" Buessecker et al. 2022
- "Candidatus Benthortus" Buessecker et al. 2022
- "Candidatus Geocrenenecus" Buessecker et al. 2022
- "Candidatus Terraquivivens" Buessecker et al. 2022
- "Candidatus Wolframiiraptor" Buessecker et al. 2022

Class Nitrososphaeria

Nitrososphaeria Incertae sedis

"Cenoporarchaeum" corrig. Zhang et al. 2019
"Candidatus Gigantothauma" corrig. Muller et al. 2010
"Candidatus Nitrosodeserticola" Hwang et al. 2021

Order "Geothermarchaeales"

Family "Geothermarchaeaceae" Adam et al. 2022
- ?"Candidatus Geothermarchaeum" Adam et al. 2022
- ?"Candidatus Scotarchaeum" Adam et al. 2022

Order "Conexivisphaerales"

Family "Conexivisphaeraceae" Kato et al. 2021 (THSC Group)
- Conexivisphaera Kato et al. 2021

Order Nitrososphaerales

Phylogeny of Nitrososphaerales^[8]^[9]^[10]

"Nitrosocaldaceae"

	"Ca. Nitrosothermus"

	"Ca. Nitrosocaldus"

Nitrososphaeraceae

"Ca. Nitrosocosmicus"

	"Ca. Nitrosopolaris"

	Nitrososphaera

Nitrosopumilaceae

"Ca. Nitrosotalea"

"Ca. Nitrosotenuis"

"Ca. Nitrosopelagicus"

"Cenarchaeum"

	Nitrosarchaeum

	Nitrosopumilus

Family "Methylarchaceae" Hua et al. 2019
- ?"Candidatus Methylarchaeum" Hua et al. 2019
- ?"Candidatus Methanotowutia" Ou et al. 2022
Family "Nitrosocaldaceae" Qin et al. 2016
- "Candidatus Nitrosocaldus" de la Torre et al. 2008
- "Candidatus Nitrosothermus" Luo et al. 2021
Family Nitrososphaeraceae Stieglmeier et al. 2014
- "Candidatus Nitrosocosmicus" corrig. Lehtovirta-Morley et al. 2016
- "Candidatus Nitrosopolaris" Pessi, Rutanen & Hultman 2022
- Nitrososphaera Stieglmeier et al. 2014
Family Nitrosopumilaceae Qin et al. 2017
- "Cenarchaeum" DeLong & Preston 1996
- Nitrosarchaeum corrig. Jung et al. 2018
- "Candidatus Nitrosopelagicus" Santoro et al. 2015
- Nitrosopumilus Qin et al. 2017 ["Candidatus Nitrosomarinus" Ahlgren et al. 2017]
- ?"Candidatus Nitrosospongia" Moeller et al. 2019
- "Candidatus Nitrosotalea" Lehtovirta 2011
- "Candidatus Nitrosotenuis" Lebedeva et al. 2013

Class "Culexarchaeia"

Order "Culexarchaeles"

Family "Culexarchaeaceae" Kohtz et al. 2022 ["Methanomediaceae" Berghuis et al. 2019]
- ?"Candidatus Culexarchaeum" Kohtz et al. 2022 ["Candidatus Methanomedium" Berghuis et al. 2019]
Family "Culexmicrobiaceae" Kohtz et al. 2022
- ?"Candidatus Culexmicrobium" Kohtz et al. 2022

Class "Methanomethylicia"

Methanomethylicia incertae sedis

Order "Methanohydrogenicales"
- Family "Methanohydrogenicaceae" Berghuis et al. 2019
  - ?"Candidatus Methanohydrogenicus" Berghuis et al. 2019

Order "Methanomethylarchaeales"
- Family "Methanomethylarchaeceae" corrig. Hua et al. 2019
  - ?"Candidatus Methanomethylarchaeum" corrig. Hua et al. 2019

Order "Methanomethylovorales"
- Family "Methanomethylovoraceae" Hua et al. 2019
  - ?"Candidatus Methanomethylovorus" Hua et al. 2019

Order "Nezhaarchaeales"

Family "Methanohydrogenotrophicaceae" Hua et al. 2019
- ?"Candidatus Methanogearchaeum" corrig. Hua et al. 2019
- ?"Candidatus Methanohydrogenotrophicum" Hua et al. 2019

Order "Methanomethylicales"

Family "Candidatus Methanomethylicaceae" corrig. Vanwonterghem et al. 2016
- "Candidatus Methanomethylicus" Vanwonterghem et al. 2016
- "Candidatus Methanosuratinicola" corrig. Vanwonterghem et al. 2016

Class Thermoproteia

Order "Gearchaeales"

Order Thermofilales

Family Thermofilaceae Burggraf, Huber & Stetter 1997
- Infirmifilum Zayulina et al. 2021
- Thermofilum Zillig & Gierl 1983

Order Thermoproteales

Phylogeny of Thermoproteales^[8]^[9]^[10]

Thermoproteaceae

	Thermoproteus

	Pyrobaculum

"Thermocladiaceae"

	Caldivirga

	Thermocladium

Vulcanisaeta

Family Thermoproteaceae Zillig & Stetter 1982
- Pyrobaculum Huber, Kristjansson & Stetter 1988
- Thermoproteus Zillig & Stetter 1982
Family "Thermocladiaceae" Rinke et al. 2020 ex Chuvochina et al. 2023
- Caldivirga Itoh et al. 1999
- Thermocladium Itoh, Suzuki & Nakase 1998
- Vulcanisaeta Itoh, Suzuki & Nakase 2002

Class "Sulfolobia"

Order "Marsarchaeales"

Order Sulfolobales

Phylogeny of Sulfolobales^[8]^[9]^[10]

	Thermosphaera

	Desulfurococcus

Fervidicoccaceae	Fervidicoccus

Pyrodictiaceae

Pyrolobus

	Hyperthermus

	Pyrodictium

"Ignicoccaceae"

Ignicoccus

Acidilobaceae

?Stetteria

	?Thermodiscus

	Aeropyrum

	Caldisphaera

	Acidilobus

"Ignisphaeraceae"	Ignisphaera

"Zestosphaeraceae"	Zestosphaera

Sulfolobaceae

Sulfodiicoccus

Sulfurisphaera

	Stygiolobus

	Sulfolobus

	Sulfuracidifex

	Saccharolobus

Metallosphaera

	Acidianus brierleyi

	"Ca. Aramenus"

Acidianus

Family Desulfurococcaceae Zillig & Stetter 1983
- ?Caldococcus Aoshima, Yamagishi & Oshima 1996
- Desulfurococcus Zillig & Stetter 1983
- Staphylothermus Stetter & Fiala 1986
- ?Sulfophobococcus Hensel et al. 1997
- Thermogladius Osburn & Amend 2011 ex Kochetkova et al. 2016
- Thermosphaera Huber et al. 1998
Family Fervidicoccaceae Perevalova et al. 2010
- Fervidicoccus Perevalova et al. 2010
Family Pyrodictiaceae Burggraf, Huber & Stetter 1997
- ?Geogemma Kashefi, Holmes & Lovley 2006
- Hyperthermus Zillig, Holz & Wunderl 1991
- Pyrodictium Stetter, König & Stackebrandt 1984
- ?"Pyrofollis" Miyazaki et al. 2023
- Pyrolobus Blochl et al. 1999
Family "Ignicoccaceae" Rinke et al. 2020 ex Chuvochina et al. 2023
- Ignicoccus Huber, Burggraf & Stetter 2000
Family Acidilobaceae Prokofeva et al. 2009
- Aeropyrum Sako et al. 1996
- Acidilobus Prokofeva et al. 2000
- Caldisphaera Itoh et al. 2003
- ?Stetteria Jochimsen, Peinemann-Simon & Thomm 1998
- ?Thermodiscus Stetter 2003
Family "Ignisphaeraceae" Rinke et al. 2020 ex Chuvochina et al. 2023
- Ignisphaera Niederberger et al. 2006
Family "Zestosphaeraceae" Pallen, Rodriguez-R & Alikhan 2022
- Zestosphaera St. John et al. 2021
Family Sulfolobaceae Stetter 1989
- Acidianus Segerer et al. 1986 ["Sulfosphaerellus" Zhong et al. 1982; Desulfurolobus Zillig & Böck 1987]
- "Candidatus Aramenus" Servín-Garcidueñas & Martínez-Romero 2014
- Metallosphaera Huber et al. 1989
- Saccharolobus Sakai & Kurosawa 2018
- Stygiolobus Segerer et al. 1991
- Sulfodiicoccus Sakai & Kurosawa 2017
- Sulfolobus Brock et al. 1972
- Sulfuracidifex Itoh et al. 2020
- Sulfurisphaera Kurosawa et al. 1998
- ?Sulfurococcus Golovacheva, Vale’kho & Troitskii 1995

Phylum "Hadarchaeota"

Class "Persephonarchaeia"

Class "Hadarchaeia"

Order "Hadarchaeales"

Family "Hadarchaeaceae" Chuvochina et al. 2019 ex Chuvochina et al. 2023
- "Candidatus Hadarchaeum" Chuvochina et al. 2019
- ?"Candidatus Hadesarchaeum" Hua et al. 2019
- ?"Candidatus Methanourarchaeum" Hua et al. 2019

Phylum Methanobacteriota_B

Phylogeny of Methanobacteriota_B^[8]^[9]^[10]

Thermococci

"Methanofastidiales"

"Ca. Methanofastidiosum"

"Methanofastidiosaceae"

Thermococcales

Palaeococcus

Thermococcus species-group 3

Thermococcus species-group 2

	Pyrococcus

	Thermococcus

Thermococcaceae

Class "Theionarchaeia"

Class Thermococci

Order "Methanofastidiosales"

Family "Methanofastidiosaceae" Rinke et al. 2020
- "Candidatus Methanofastidiosum" corrig. Nobu et al. 2016

Order Thermococcales

Family Thermococcaceae Zillig et al. 1988
- Palaeococcus Takai et al. 2000
- Pyrococcus Fiala & Stetter 1986
- Thermococcus Zillig 1983

Phylum "Hydrothermarchaeota"

Class "Hydrothermarchaeia"

Order "Hydrothermarchaeales"

Family "Hydrothermarchaeaceae" Chuvochina et al. 2019 ex Chuvochina et al. 2023
- "Candidatus Hydrothermarchaeum" Chuvochina et al. 2019

Phylum "Methanobacteriota"

Phylogeny of Methanobacteriota^[8]^[9]^[10]

Methanopyri

Methanopyraceae	Methanopyrus

Methanopyrales

Methanococci

Methanocaldococcaceae

Methanocaldococcus

Methanococcaceae

Methanotorris

Methanofervidicoccus

	Methanococcus aeolicus

	Methanothermococcus okinawensis

	Methanothermococcus

	Methanococcus

Methanococcales

Methanobacteria

Methanothermaceae	Methanothermus

Methanothermobacteraceae_A	Methanothermobacter species-group 2

"Methanothermobacteraceae"

Methanothermobacter

Methanobacteriaceae

	Methanobacterium alcaliphilum

	Methanobrevibacter

Methanobacterium species-group 2

	Methanosphaera

	Methanobacterium

Methanobacteriales

Class Methanopyri

Order Methanopyrales

Family Methanopyraceae Huber & Stetter 2002
- Methanopyrus Kurr et al. 1992

Class Methanococci

Order Methanococcales

Family Methanocaldococcaceae Whitman 2002
- Methanocaldococcus Whitman 2002
Family Methanococcaceae Balch & Wolfe 1981
- Methanococcus Kluyver & van Niel 1936
- Methanofervidicoccus Sakai et al. 2019
- Methanothermococcus Whitman 2002
- Methanotorris Whitman 2002 ["Methanoignis" Boone, Whitman & Rouviére 1993]

Class Methanobacteria

Order Methanobacteriales

Family "Tepidaquicellaceae" corrig. Kadnikov et al. 2020
- ?"Candidatus Tepidaquicella" corrig. Kadnikov et al. 2020
Family Methanothermaceae Stetter et al. 1982
- Methanothermus Stetter et al. 1982
Family "Methanothermobacteraceae" Rinke et al. 2020 ex Chuvochina et al. 2023
- Methanothermobacter Wasserfallen et al. 2000
Family Methanobacteriaceae Barker 1956
- Methanobacterium Kluyver & van Niel 1936
- Methanobrevibacter Balch & Wolfe 1981
- Methanosphaera Miller & Wolin 1985

Phylum "Thermoplasmatota"

Phylogeny of Thermoplasmatota^[8]^[9]^[10]

"Izemarchaea"	"Thermoprofundales"

"Poseidoniia"

	MGIII

	"Poseidoniales"

Thermoplasmata

"Natronoplasmatales"

"Proteinoplasmatales" (SG8-5)

"Gimiplasmatales"

	"Sysuiplasmatales"

	Methanomassiliicoccales

	"Aciduliprofundales"

	"Thermoplasmatales"

Thermoplasmatota incertae sedis

Order "Yaplasmatales"

Class "Izemarchaea"

Order "Thermoprofundales"

(MBG-D, E2)

Class "Poseidoniia"

Order MGIII

Order "Poseidoniales"

Family "Poseidoniaceae" corrig. Rinke et al. 2019
- "Candidatus Poseidonia" Rinke et al. 2019
Family "Thalassarchaeaceae" corrig. Rinke et al. 2019
- "Candidatus Thalassarchaeum" corrig. Martin-Cuadrado et al. 2015

Class Thermoplasmata

Order "Lunaplasmatales"

Family "Lunaplasmataceae" Zinke et al. 2021
- ?"Candidatus Lunaplasma" Zinke et al. 2021

Order "Natronoplasmatales"

Phylogeny of Natronoplasmatales^[8]^[9]^[10]

"Candidatus Haladaptiplasma"

	"Candidatus Natronoplasma"

	"Candidatus Saliniplasma"

Family "Natronoplasmataceae" Pallen, Rodriguez-R & Alikhan 2022 (PWKY01)
- "Candidatus Haladaptiplasma" corrig. Zhou et al. 2022
- ?"Candidatus Halarchaeoplasma" Zhou et al. 2023 ["Candidatus Haloplasma" Zhou et al. 2022 non Antunes et al. 2008]
- "Candidatus Natronoplasma" Zhou et al. 2022
- "Candidatus Saliniplasma" Zhou et al. 2022

Order "Proteinoplasmatales"

(SG8-5)

Order "Gimiplasmatales"

Family "Gimiplasmataceae" Hu et al. 2020
- "Candidatus Gimiplasma" Hu et al. 2020 (UA10834)

Order "Sysuiplasmatales"

Family "Sysuiplasmataceae" Yuan et al. 2021
- "Candidatus Sysuiplasma" Yuan et al. 2021

Order Methanomassiliicoccales

Phylogeny of Methanomassiliicoccales^[8]^[9]^[10]

Methanomassiliicoccaceae

Methanomassiliicoccus

Methanomethylophilaceae"

"Candidatus Methanarcanum"

"Candidatus Methanomethylophilus"

	"Candidatus Methanogranum"

	"Candidatus Methanoplasma"

Family "Methanomixtatrophicaceae" Hua et al. 2019
- ?"Candidatus Methanomixtatrophicum" Hua et al. 2019
Family Methanomassiliicoccaceae Iino et al. 2013
- Methanomassiliicoccus Dridi et al. 2012
Family "Methanomethylophilaceae" Gaci et al. 2014
- "Candidatus Methanarcanum" Chibani et al. 2022
- "Candidatus Methanogranum" corrig. Iino et al. 2013
- "Candidatus Methanomethylophilus" corrig. Borrel et al. 2012
- "Candidatus Methanoplasma" corrig. Lang et al. 2015
- ?"Candidatus Methanospyradousia" Gilroy et al. 2021

Order "Aciduliprofundales"

Family "Aciduliprofundaceae" Rinke et al. 2020
- "Aciduliprofundum" Reysenbach et al. 2006 (DHVE2 group)

Order Thermoplasmatales

Phylogeny of Thermoplasmatales^[8]^[9]^[10]

Thermoplasma

	Cuniculiplasma

	Thermogymnomonas

Picrophilus

	Acidiplasma

	Ferroplasma

Family Thermoplasmataceae Reysenbach 2002
- Acidiplasma Golyshina et al. 2009
- Cuniculiplasma corrig. Golyshina et al. 2016
- Ferroplasma Golyshina et al. 2000
- Picrophilus Schleper et al. 1996
- ?"Candidatus Scheffleriplasma" Krause et al. 2022
- Thermogymnomonas Itoh, Yoshikawa & Takashina 2007
- Thermoplasma Darland et al. 1970

Phylum "Halobacteriota"

Phylogeny of Halobacteriota^[8]^[9]^[10]

Archaeoglobi	Archaeoglobales

"Methanoliparia"	"Methanoliparales"

"Syntropharchaeia"	"Syntropharchaeales"

"Methanocellia"

Methanocellales

"Methanosarcinia"

	"Methanotrichales"

	Methanosarcinales

"Methanosarcinia_A"	Methanosarcinales_A

"Methanomicrobia"	Methanomicrobiales

Methanonatronarchaeia	Methanonatronarchaeales

Halobacteria	Halobacteriales

Halobacteriota incertae sedis

"Candidatus Methanoinsularis" Ou et al. 2022
"Candidatus Methanoporticola" Ou et al. 2022

Order "Methanoflorentales"

Family "Methanoflorentaceae" Mondav et al. 2014
- "Candidatus Methanoflorens" Mondav et al. 2014

Class Archaeoglobi

Phylogeny of Archaeoglobales^[8]^[9]^[10]

Archaeoglobus

	Ferroglobus

	Geoglobus

Order "Mnemosynellales"

Family "Mnemosynellaceae" Adam et al. 2022
- ?"Candidatus Mnemosynella" Adam et al. 2022

Order Archaeoglobales

Family "Allopolytropaceae" corrig. Boyd et al. 2019
- ?"Candidatus Allopolytropus" corrig. Boyd et al. 2019 ["Candidatus Polytropus" Boyd et al. 2019 non Kirsch 1866]
Family Archaeoglobaceae Huber & Stetter 2002
- Archaeoglobus Stetter 1988
- Ferroglobus Hafenbradl et al. 1997
- Geoglobus Kashefi et al. 2002
- ?"Candidatus Methanoglobus" Buessecker et al. 2023
- ?"Candidatus Methanomixotrophus" corrig. Liu et al. 2021
- ?"Candidatus Methanoproducendum" Hua et al. 2019

Class "Methanoliparia"

Order "Methanoliparales"

Family "Methanoliparaceae" Borrel et al. 2019
- "Candidatus Methanoliparum" Borrel et al. 2019
- "Candidatus Methanolliviera" Borrel et al. 2019

Class "Syntropharchaeia"

Order "Methanophagales"

Family ?"Veteromethanophagaceae" Vulcano et al. 2022
Family "Methanophagaceae" Chadwick et al. 2022
- ?"Candidatus Methanophaga" Chadwick et al. 2022
- ?"Candidatus Methanoalium" Chadwick et al. 2022
Family "Methanoxibalbaceae" Laso-Pérez et al. 2022
- ?"Candidatus Methanoxibalbensis" Laso-Pérez et al. 2022
- ?"Candidatus Methanospirare" Laso-Pérez et al. 2022

Order "Syntropharchaeales"

Family "Syntropharchaeaceae" corrig. (ANME-2 cluster)
- "Candidatus Syntropharchaeum" corrig. Laso-Perez et al. 2016

Class "Methanocellia"

Order Methanocellales

Family Methanocellaceae Sakai et al. 2008
- Methanocella Sakai et al. 2008

Class "Methanosarcinia"

Order Methanotrichales

Family Methanotrichaceae Akinyemi et al. 2021
- ?"Candidatus Methanocrinis" Khomyakova et al. 2023
- Methanothrix Huser, Wuhrmann & Zehnder 1983 [Methanosaeta Patel & Sprott 1990]

Order Methanosarcinales

Phylogeny of Methanosarcinales^[8]^[9]^[10]

"Methanocomedenaceae"

	"Ca. Methanocomedens"

	"Ca. Methanomarinus"

"Ethanoperedentaceae"	"Ca. Ethaniperedens"

"Methanoperedentaceae"	"Ca. Methanoperedens"

"Methanogastraceae"	"Ca. Methanogaster"

Methanosarcinaceae

	Methanimicrococcus

	Methanosarcina

	Methanohalobium

	Methanosalsum

	Methanococcoides

	Methanohalophilus

	Methanomethylovorans

	Methanolobus

Family "Methanocomedenaceae" Chadwick et al. 2022
- "Candidatus Methanocomedens" Chadwick et al. 2022 (ANME-2a)
- "Candidatus Methanomarinus" Chadwick et al. 2022 (ANME-2b)
Family "Ethanoperedentaceae" (sic) Pallen, Rodriguez-R & Alikhan 2022 (EX4572-44)
- "Candidatus Ethaniperedens" corrig. Hahn et al. 2020
Family "Methanoperedentaceae" corrig. Haroon et al. 2013
- ?"Candidatus Argarchaeum" corrig. Chen et al. 2019 (GOM arc I)
- "Candidatus Methanoperedens" Haroon et al. 2013 (ANME-2d, AAA)
Family "Methanogastraceae" corrig. Chadwick et al. 2022 (ANME-2c)
- "Candidatus Methanogaster" Chadwick et al. 2022
Family Methanosarcinaceae Balch & Wolfe 1981
- ?Halomethanococcus Yu & Kawamura 1988
- Methanimicrococcus corrig. Sprenger et al. 2000
- Methanococcoides Sowers & Ferry 1985
- Methanohalobium Zhilina & Zavarzin 1988
- Methanohalophilus Paterek & Smith 1988
- Methanolobus König & Stetter 1983
- Methanomethylovorans Lomans et al. 2004
- Methanosalsum Boone & Baker 2002
- Methanosarcina Kluyver & van Niel 1936
- ?"Candidatus Methanovorans" Chadwick et al. 2022 (ANME-3)

Class Methanosarcinia A

Order Methanosarcinales_A

Family Methermicoccaceae Cheng et al. 2007
- Methermicoccus Cheng et al. 2007

Class Methanomicrobia

Order "Alkanophagales"

Family "Alkanophagaceae"
- ?"Candidatus Alkanophaga" Zehnle et al. 2023

Order Methanomicrobiales

Phylogeny of Methanomicrobiales^[8]^[9]^[10]

Methanocorpusculaceae

	Methanocorpusculum

	Methanocalculus

"Methanofollaceae"	Methanofollis

"Methanosphaerulaceae"	Methanosphaerula

Methanospirillaceae

Methanospirillum

Methanoregulaceae

	Methanolinea

	Methanoregula

"Methanoculleaceae"

	Methanomicrobium

	Methanolacinia

Family Methanocorpusculaceae Zellner et al. 1989
- Methanocalculus Ollivier et al. 1998
- Methanocorpusculum Zellner et al. 1988
Family "Methanofollaceae" Chuvochina et al. 2023
- Methanofollis Zellner et al. 1999
Family "Methanosphaerulaceae" Rinke et al. 2020 ex Chuvochina et al. 2023
- Methanosphaerula Cadillo-Quiroz et al. 2009
Family Methanospirillaceae Boone et al. 2002
- Methanospirillum Ferry, Smith & Wolfe 1974
Family Methanoregulaceae Sakai et al. 2012
- Methanolinea Imachi et al. 2008
- Methanoregula Brauer et al. 2011
Family "Methanoculleaceae" Rinke et al. 2020 ex Chuvochina et al. 2023
- Methanoculleus Maestrojun et al. 1990
Family Methanomicrobiaceae Balch & Wolfe 1981
- Methanogenium Romesser et al. 1981
- Methanolacinia Zellner et al. 1990
- Methanomicrobium Balch & Wolfe 1981
- Methanoplanus Wildgruber et al. 1984

Class "Hikarchaeia"

Order "Hikarchaeales"

Family "Hikarchaeaceae" Martijn et al. 2020 (MG-IV)
- ?"Candidatus Hikarchaeum" Martijn et al. 2020

Class "Methanonatronarchaeia"

Order "Methanonatronarchaeales"

Family Methanonatronarchaeaceae Sorokin et al. 2018
- "Candidatus Methanohalarchaeum" Sorokin et al. 2018
- Methanonatronarchaeum Sorokin et al. 2018

Class Halobacteria

Phylogeny of Halobacteria^[8]^[9]^[10]

Halobacteriales

Haladaptataceae

Halorussus

	?Halomicrococcus

	Haladaptatus

Halobacteriaceae

	Halanaeroarchaeum

	Halodesulfurarchaeum

Salarchaeum

	Halocalculus

	Halarchaeum

Halobacterium

"Salinarchaeaceae"	Salinarchaeum

"Halostellaceae"	Halostella

"Natronoarchaeaceae"	Natronoarchaeum

Natrialbaceae cont'd

Halococcaceae

Halococcus

Haloarculaceae

	Halocatena

	Halomarina

	Halosegnis

	Haloglomus

Natronomonas

Halorientalis

Halapricum

	Halococcoides

	Halorhabdus

Salinirussus

	Salinibaculum

	Halovenus

Halosimplex

Halomicrobium

	Halomicroarcula

	Haloarcula

Halalkalicoccaceae	Halalkalicoccus

	Haloferacaceae cont'd

Order "Halorutilales"

Family "Halorutilaceae" Durán-Viseras et al. 2023
- ?"Candidatus Halorutilus" Durán-Viseras et al. 2023

Order Halobacteriales

Halobacteriales incertae sedis
- "Haloalcalophilium" Lizama et al. 2000a
Family Haladaptataceae Rinke et al. 2020
- Haladaptatus Savage et al. 2007
- ?Halomicrococcus Chen et al. 2020
- Halorussus Cui et al. 2014
Family Halobacteriaceae
- ?"Actinoarchaeum" Tang et al. 2023
- Halanaeroarchaeum Sorokin et al. 2016
- Halarchaeum Minegishi et al. 2010
- Halobacterium (Elazari-Volcani 1940) Elazari-Volcani 1957 ["Halobacter" Anderson 1954]
- Halocalculus Minegishi et al. 2015
- Halodesulfurarchaeum Sorokin et al. 2017
- Salarchaeum Shimane et al. 2011
Family "Salinarchaeaceae"
- Salinarchaeum Cui et al. 2014
Family "Halostellaceae" Pallen, Rodriguez-R & Alikhan 2022
- Halostella Song et al. 2016
Family "Natronoarchaeaceae" Sorokin et al. 2022
- ?"Natranaeroarchaeum" Sorokin et al. 2021
- Natronoarchaeum Shimane et al. 2010

Phylogeny of Natrialbaceae^[8]^[9]^[10]

	Halorubellus

	Haloarchaeobius

Halovivax

	Halovarius

	Natribaculum

	Natronobiforma

	Saliphagus

Halostagnicola

Natronococcus

Natrarchaeobius

	Salinadaptatus

	Natrarchaeobaculum

Halopiger

Halopiger djelfimassiliensis

	Natronobacterium

	Halobiforma

	Natronolimnobius

	Natrialba

	Natronolimnohabitans

	Haloterrigena

Natronorubrum

Natrinema

Family Natrialbaceae Gupta et al. 2015
- Haloarchaeobius Makhdoumi-Kakhki et al. 2012
- Halobiforma Hezayen et al. 2002
- Halopiger Gutierrez et al. 2007
- Halorubellus Cui et al. 2014
- ?Halosolutus Sun et al. 2022
- Halostagnicola Castillo et al. 2006
- Haloterrigena Ventosa et al. 1999
- Halovarius Mehrshad et al. 2015
- Halovivax Castillo et al. 2006
- Natrarchaeobaculum Sorokin et al. 2020
- Natrarchaeobius corrig. Sorokin et al. 2020
- Natrialba Kamekura & Dyall-Smith 1996
- Natribaculum Liu et al. 2015
- Natronobacterium Tindall et al. 1984
- Natronobiforma Sorokin et al. 2019
- Natronococcus Tindall et al. 1984
- Natronolimnobius Itoh et al. 2005
- Natronolimnohabitans Sorokin et al. 2020
- Natrinema McGenity et al. 1998
- ?"Natronobeatus" Li et al. 2023
- ?"Natrononativus" Li et al. 2023
- Natronorubrum Xu et al. 1999
- ?"Natronosalvus" Tan et al. 2023
- Salinadaptatus Xue et al. 2020
- ?"Salinilacihabitans" Li et al. 2023
- Saliphagus Yin et al. 2017
Family Halococcaceae Gupta et al. 2016
- Halococcus Schoop 1935
Family Haloarculaceae
- Halapricum Song et al. 2014
- Haloarcula Torreblanca et al. 1986
- Halocatena Verma et al. 2020
- ?Halococcoides Sorokin et al. 2019
- "Haloglomus" Duran-Viseras, Sanchez-Porro & Ventosa 2020
- Halomarina Inoue et al. 2011
- Halomicroarcula Echigo et al. 2013
- Halomicrobium Oren et al. 2002 [Halosiccatus Mehrshad et al. 2016]
- Halorientalis Cui et al. 2011
- ?"Halorarius" Sun et al. 2023
- Halorhabdus Waino et al. 2000
- Halosegnis Duran-Viseras et al. 2022 [Sala Song et al. 2023 non Ross 1937 non Walker 1867; Salella Deshmukh & Oren 2023]
- Halosimplex Vreeland et al. 2003
- Halovenus Makhdoumi-Kakhki et al. 2012
- Natronomonas Kamekura et al. 1997
- Salinibaculum Han & Cui 2020
- ?Salinirubellus Hou et al. 2018
- Salinirussus Cui et al. 2017
Family "Halalkalicoccaceae"
- Halalkalicoccus Xue et al. 2005

Phylogeny of Haloferacaceae^[8]^[9]^[10]

Haloplanus

Salinirubrum

Haloprofundus

	"Halegenticoccus"

	Halogranum

	Haloquadratum

	Halobellus

	Halobaculum

	Halolamina

	Halalkalirubrum

	"Natronocalculus"

	Halohasta

	Halonotius

Halalkaliarchaeum

Halopenitus

	Haloparvum

	Halorubrum

Family Haloferacaceae Gupta et al. 2015
- Halalkaliarchaeum Sorokin et al. 2019
- "Halalkalirubrum" Zuo et al. 2021
- ?"Candidatus Halectosymbiota" corrig. Filker et al. 2014
- "Halegenticoccus" Liu et al. 2019
- Halobaculum Oren et al. 1995 ["Candidatus Halobonum" Ugalde et al. 2013]
- Halobellus Cui et al. 2011
- ?Halobium Mori et al. 2016
- Haloferax Torreblanca et al. 1986
- Halogeometricum Montalvo-Rodriguez et al. 1998 [Halosarcina Savage et al. 2008]
- Halogranum Cui et al. 2010
- Halohasta Mou et al. 2013
- Halolamina Cui et al. 2011
- Halonotius Burns et al. 2010
- Haloparvum Chen et al. 2016
- Halopelagius Cui et al. 2010
- Halopenitus Amoozegar et al. 2012
- Haloplanus Elevi Bardavid et al. 2007
- Haloprofundus Zhang et al. 2017
- Haloquadratum Burns et al. 2007
- Halorubrum McGenity & Grant 1996 [Halorubrobacterium Kamekura & Dyall-Smith 1996]
- "Natronocalculus" Sorokin et al. 2022
- Salinirubrum corrig. Cui & Qiu 2014
- Salinigranum Cui & Zhang 2014

References

^ J.P. Euzéby. "Archaea". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved 2021-06-27.
^ Sayers; et al. "Archaea". National Center for Biotechnology Information (NCBI) taxonomy database. Retrieved 2021-03-20.
^ 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.
^ 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.
^ Chaumeil, PA; Mussig, AJ; Hugenholtz, P; Parks, DH (15 November 2019). "GTDB-Tk: a toolkit to classify genomes with the Genome Taxonomy Database". Bioinformatics. 36 (6): 1925–1927. doi:10.1093/bioinformatics/btz848. PMC 7703759. PMID 31730192.
^ 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. 39 (1): 105–114. doi:10.1038/s41587-020-0603-3. PMC 7801254. PMID 32690973.
^ Nayfach, Stephen; et al. (9 November 2020). "A genomic catalog of Earth's microbiomes". Nature Biotechnology. 39 (4): 499–509. doi:10.1038/s41587-020-0718-6. PMC 8041624. PMID 33169036.
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w "GTDB release 08-RS214". Genome Taxonomy Database. Retrieved 10 May 2023.
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w "ar53_r214.sp_label". Genome Taxonomy Database. Retrieved 10 May 2023.
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w "Taxon History". Genome Taxonomy Database. Retrieved 10 May 2023.
^ "The LTP". Retrieved 23 February 2021.
^ "LTP_all tree in newick format". Retrieved 23 February 2021.
^ "LTP_12_2021 Release Notes" (PDF). Retrieved 23 February 2021.
^ ^a ^b ^c Ruize Xie, Yinzhao Wang, Danyue Huang, Jialin Hou, Liuyang Li, Haining Hu, Xiaoxiao Zhao, Fengping Wang: Expanding Asgard members in the domain of Archaea sheds new light on the origin of eukaryotes. In: Science China Life Sciences, vol. 65, p. 818–829, April 2022. doi:10.1007/s11427-021-1969-6, PMID 34378142. Epub: Aug. 6, 2021. Along with:Njordarchaeota, a new candidate for a sister group to eukaryotes. EurekAlert!, Oct. 20, 2021.
^ LPSN: Order "Candidatus Freyrarchaeales"
^ LPSN: Order "Candidatus Njordarchaeales"
^ ^a ^b ^c Fabai Wu, Daan R. Speth, Alon Philosof, Antoine Crémière, Aditi Narayanan, Roman A. Barco, Stephanie A. Connon, Jan P. Amend, Igor A. Antoshechkin, Victoria J. Orphan: Unique mobile elements and scalable gene flow at the prokaryote–eukaryote boundary revealed by circularized Asgard archaea genomes. In: Nature Microbiology volume 7, p. 200–212, Jan 13, 2022. doi:10.1038/s41564-021-01039-y, PMID 35027677, PMC 8813620. See also Extended Data Fig. 2.
^ LPSN: Family "Candidatus Sigynarchaeaceae"

Prokaryotes: Archaea classification

(major groups

Hadesarchaea	"Hadarchaeia" "Hadarchaeales" "Persephonarchaeia"
"Hydrothermarchaeota"	"Hydrothermarchaeia" "Hydrothermarchaeles"
"Methanobacteriota"	Methanobacteria Methanobacteriales Methanococci Methanococcales Methanopyri Methanopyrus "Theionarchaeia" Thermococci "Methanofastidiosales" Thermococcales
"Halobacteriota"	Archaeoglobia Archaeoglobales "Mnemosynellales" Halobacteria Halobacteriales "Hikarchaeia" "Hikarchaeales" "Methanocellia" Methanocellales "Methanoliparia" "Methanoliparales" Methanomicrobia Methanomicrobiales Methanonatronarchaeia Methanonatronarchaeales Methanosarcinia Methanosarcinales Methanotrichales "Syntropharchaeia" "Methanophagales" "Syntropharchaeales"
"Thermoplasmatota"	"Izemarchaea" "Thermoprofundales" "Poseidoniia" "Poseidoniales" Thermoplasmata "Aciduliprofundales" "Gimiplasmatales" "Lunaplasmatales" Methanomassiliicoccales "Natronoplasmatales" "Sysuiplasmatales" Thermoplasmatales

DPANN

"Aenigmatarchaeota"
- "Aenigmatarchaeia"
"Altarchaeota"
- "Altarchaeia"
"Iainarchaeota"
- "Iainarchaeia"
"Huberarchaeota"
- "Huberarchaeia"
"Micrarchaeota"
- "Micrarchaeia"
"Nanohalarchaeota"
- "Nanohalarchaeia"
"Nanoarchaeota"
- "Nanoarchaeia"
- "Nanohalobiia"
"Undinarchaeota"
- "Undinarchaeia"

Proteoarchaeota

TACK

Thermoproteota	Korarchaeia "Korarchaeales" Bathyarchaeia "Hecatellales" Nitrososphaeria "Caldarchaeales" Conexivisphaerales "Geothermarchaeales" Nitrososphaerales "Culexarchaeia" "Culexarchaeles" "Methanomethylicia" "Methanomethylicales" "Nezhaarchaeales" Thermoproteia "Gearchaeales" "Marsarchaeales" Sulfolobales Thermoproteales

Asgard

Lokiarchaeota	"Baldrarchaeia" "Freyrarchaeia" "Hermodarchaeia" "Jordarchaeia" "Lokiarchaeia" "Helarchaeales" "Lokiarchaeales" "Sigynarchaeales" Odinarchaeia Thorarchaeia
Heimdallarchaeota	Heimdallarchaeia "Gerdarchaeales" "Heimdallarchaeales" "Hodarchaeales" "Kariarchaeales" "Njordarchaeia" "Sifarchaeia" "Borrarchaeales" "Sifarchaeales" "Wukongarchaeia"

Source:
Alternative views: Wikispecies

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