List of Archaea genera
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This article lists the
genera Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclat ...
of the
Archaea Archaea ( ; singular archaeon ) is a domain of single-celled organisms. These microorganisms lack cell nuclei and are therefore prokaryotes. Archaea were initially classified as bacteria, receiving the name archaebacteria (in the Archaeba ...
. The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) and
National Center for Biotechnology Information The National Center for Biotechnology Information (NCBI) is part of the United States National Library of Medicine (NLM), a branch of the National Institutes of Health (NIH). It is approved and funded by the government of the United States. Th ...
(NCBI).


Phylogeny

National Center for Biotechnology Information The National Center for Biotechnology Information (NCBI) is part of the United States National Library of Medicine (NLM), a branch of the National Institutes of Health (NIH). It is approved and funded by the government of the United States. Th ...
(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. Cladogram was taken from the
GTDB The Genome Taxonomy Database (GTDB) is an online database that maintains information on a proposed nomenclature of prokaryotes, following a phylogenomic approach based on a set of conserved single-copy proteins. In addition to breaking up paraphy ...
release 07-RS207 (8th April 2022). 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.


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 0-14-0-20-30-16

* Family CSSED10-239 ** "''Candidatus'' Forterrea" Probst & Banfield 2017


Order "Iainarchaeales"

* Family "Iainarchaeaceae" Rinke et al. 2020 ** "''Candidatus'' Iainarchaeum" Rinke et al. 2013


Phylum " Micrarchaeota"


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 "Burarchaeales"

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


Order "Fermentimicrarchaeales"

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


Order "Gugararchaeales"

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


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


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 " 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"


Class "Nanohalarchaeia"


Order "Nanohalarchaeales"

* Family "Nanohalarchaeaceae" ** ?"''Candidatus'' Nanohalarchaeum" corrig. Hamm et al. 2019


Class "Nanohalobiia"


Order "Nanohalobiales"

* Family "Nanohalobiaceae" La Cono et al. 2020 ** ?"''Candidatus'' Haloredivivus" Ghai et al. 2011 ** ?"''Candidatus'' Nanopetraeus" corrig. Crits‐Christoph et al. 2016 ** "''Candidatus'' Nanohalobium" La Cono et al. 2020 ** "''Candidatus'' Nanosalina" Narasingarao et al. 2012 ** "''Candidatus'' Nanosalinicola" corrig. Narasingarao et al. 2012


Phylum "

Nanoarchaeota Nanoarchaeota (Greek, "dwarf or tiny ancient one") are a phylum of the Archaea. This phylum currently has only one representative, ''Nanoarchaeum equitans''. Taxonomy 53 marker proteins based GTDB 07-RS207 phylogeny. The currently accepted ...
"


Class Nanobdellia


Order Nanobdellales

* Family Nanobdellaceae Kato et al. 2022 ** ?'' Nanobdella'' Kato et al. 2022


Class "Nanoarchaeia"


Nanoarchaeia incertae sedis

* " Mamarchaeales" * " Pacearchaeales" (DHVE-5, DUSEL-1) * " Wiannamattarchaeales" Vazquez-Campos et al. 2019 (LFWA-II, Eury4AB) * " Woesearchaeales" (DHVE-6)


Order "Tiddalikarchaeales"

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


Order "Parvarchaeales"

* Family "Acidifodinimicrobiaceae" Luo et al. 2020 ** ?"''Candidatus'' Acidifodinimicrobium" Luo et al. 2020 * Family "Parvarchaeaceae" Rinke et al. 2020 ** "''Candidatus'' Parvarchaeum" Baker et al. 2010 (ARMAN 4 & 5)


Order "Nanoarchaeales"

* Family "Nanoarchaeaceae" Huber et al. 2011 ** " Nanoarchaeum" Huber et al. 2002 * Family "Nanopusillaceae" Huber et al. 2011 ** "''Candidatus'' Nanoclepta" St. John et al. 2019 ** "''Candidatus'' Nanopusillus" Wurch et al. 2016


Phylum "

Asgardaeota Asgard or Asgardarchaeota is a proposed superphylum consisting of a group of archaea that includes Lokiarchaeota, Thorarchaeota, Odinarchaeota, and Heimdallarchaeota. It appears the eukaryotes emerged within the Asgard, in a branch containing ...
"


Class " Tyrarchaeia"


Class "Sifarchaeia"


Order "Borrarchaeales"

* Family "Borrarchaeaceae" Liu et al. 2020 ** "''Candidatus'' Borrarchaeum" Liu et al. 2020


Order "Sifarchaeales"

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


Class "Wukongarchaeia"


Order "Wukongarchaeales"

* Family "Wukongarchaeaceae" Liu et al. 2020 ** "''Candidatus'' Wukongarchaeum" Liu et al. 2020


Class " Heimdallarchaeia"


Heimdallarchaeia Incertae sedis

* " Gerdarchaeales" * " Heimdallarchaeales"


Order "Hodarchaeales"

* Family "Hodarchaeaceae" Liu et al. 2020 ** "''Candidatus'' Hodarchaeum" Liu et al. 2020


Order "Kariarchaeales"

* Family "Kariarchaeaceae" Liu et al. 2020 ** "''Candidatus'' Kariarchaeum" Liu et al. 2020


Class " Freyrarchaeia"


Class " Friggarchaeia"


Class " Gefionarchaeia"


Class " Idunnarchaeia"


Class "Jordarchaeia"


Order "Jordarchaeales"

* Family "Jordarchaeaceae" Sun et al. 2021 ** "''Candidatus'' Jordarchaeum" Sun et al. 2021


Class " Odinarchaeia"


Order "Odinarchaeales"

* Family "Odinarchaeaceae" Tamarit et al. 2022 ** "Candidatus Odinarchaeum" Tamarit et al. 2021


Class "Baldrarchaeia"


Order "Baldrarchaeales"

* Family "Baldrarchaeaceae" Liu et al. 2020 ** "Candidatus Baldrarchaeum" Liu et al. 2020


Class "Thorarchaeia"


Order "Thorarchaeales"

* Family " Thorarchaeaceae" (MBG-B)


Class "Hermodarchaeia"


Order "Hermodarchaeales"

* Family "Hermodarchaeaceae" Liu et al. 2020 ** "''Candidatus'' Hermodarchaeum" Liu et al. 2020


Class " Lokiarchaeia"


Order " Helarchaeales"


Order " Sigynarchaeales"


Order "Lokiarchaeales"

* Family "Lokiarchaeaceae" Vanwonterghem et al. 2016 ** "''Candidatus''
Lokiarchaeum Lokiarchaeota is a proposed phylum of the Archaea. The phylum includes all members of the group previously named Deep Sea Archaeal Group (DSAG), also known as Marine Benthic Group B (MBG-B). Lokiarchaeota is part of the superphylum Asgard contai ...
" corrig. Spang et al. 2015 (MBGB, DSAG) * Family "MK-D1" ** "''Candidatus'' Promethearchaeum" corrig. Imachi, Nobu & Takai 2020


Phylum "

Thermoproteota The Thermoproteota (also known as crenarchaea) are archaea that have been classified as a phylum of the Archaea domain. Initially, the Thermoproteota were thought to be sulfur-dependent extremophiles but recent studies have identified characteris ...
"


Thermoproteota Incertae sedis

* "
Bathyarchaeia TACK is a group of archaea acronym for Thaumarchaeota (now Nitrososphaerota), Aigarchaeota, Crenarchaeota (now Thermoproteota), and Korarchaeota, the first groups discovered. They are found in different environments ranging from acidophilic t ...
" Meng et al. 2014 * " Brockarchaeia"


Class "

Korarchaeia In taxonomy, the Korarchaeota are a phylum of the Archaea. The name is derived from the Greek noun koros or kore, meaning ''young man'' or ''young woman,'' and the Greek adjective archaios which means ''ancient.'' They are also known as Xenarcha ...
"


Order "Korarchaeales"

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


Class Nitrososphaeria_A


Order "Caldarchaeales"

* Family "Caldarchaeaceae" Rinke et al. 2020 ** "''Candidatus'' Caldarchaeum" corrig. Nunoura et al. 2011 (HWCGI) ** ?"''Candidatus'' Calditenuis" corrig. Beam et al. 2016


Class Nitrososphaeria


Nitrososphaeria Incertae sedis

* "'' Cenoporarchaeum''" corrig. Zhang et al. 2019 * "''Candidatus'' Gigantothauma" corrig. Muller et al. 2010 * "''Candidatus'' Nitrosodeserticola" Hwang et al. 2021 * "''Candidatus'' Benthortus" Buessecker et al. 2022


Order "Geothermarchaeales"

* Family " Geothermarchaeaceae"


Order "Conexivisphaerales"

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


Order Nitrososphaerales

* Family "Methylarchaceae" Hua et al. 2019 ** "Candidatus Methylarchaeum" Hua et al. 2019 * Family "Nitrosocaldaceae" Qin et al. 2016 ** ?"''Candidatus'' Nitrosothermus" Luo et al. 2021 ** "Candidatus Nitrosocaldus" de la Torre et al. 2008 * Family
Nitrososphaeraceae ''Nitrososphaera'' is a mesophilic genus of ammonia-oxidizing Crenarchaeota. The first ''Nitrososphaera'' organism was discovered in garden soils at the University of Vienna leading to the categorization of a new genus, family, order and class of ...
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 ** ?"''Candidatus'' Nitrosospongia" Moeller et al. 2019 ** "''
Cenarchaeum In taxonomy, ''Cenarchaeum'' is a genus of the Cenarchaeaceae.See the NCBIbr>webpage on Cenarchaeum Data extracted from the The marine archaean ''Cenarchaeum symbiosum'' lives within (it is an endosymbiont of) the sponge Sponges, the me ...
''" DeLong & Preston 1996 ** '' Nitrosarchaeum'' corrig. Jung et al. 2018 ** "''Candidatus'' Nitrosopelagicus" Santoro et al. 2015 ** '' Nitrosopumilus'' Qin et al. 2017 ** "''Candidatus'' Nitrosotalea" Lehtovirta 2011 ** "''Candidatus'' Nitrosotenuis" Lebedeva et al. 2013


Class "Methanomethylicia"


Order "Methanohydrogenicales"

* Family "Methanohydrogenicaceae" Berghuis et al. 2019 ** ?"''Candidatus'' Methanohydrogenicus" Berghuis et al. 2019


Order "Methanomediales"

* Family "Methanomediaceae" Berghuis et al. 2019 ** ?"''Candidatus'' Methanomedium" 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


Thermoproteia Incertae sedis

* " Gearchaeales" corrig. (NAG1/NGCI) * " Marsarchaeales" (BE-D, NAG2, YNPFFA, NCGII)


Order Thermofilales

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


Order Thermoproteales

* Family
Thermoproteaceae In taxonomy, the Thermoproteaceae are a family of the Thermoproteales. Phylogeny The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) and National Center for Biotechnology Information ...
Zillig & Stetter 1982 ** '' Pyrobaculum'' Huber, Kristjansson & Stetter 1988 ** '' Thermoproteus'' Zillig & Stetter 1982 * Family "Thermocladiaceae" Rinke et al. 2020 ** '' Caldivirga'' Itoh et al. 1999 ** ''
Thermocladium In taxonomy, ''Thermocladium'' is a genus of the Thermoproteaceae.See the NCBI The National Center for Biotechnology Information (NCBI) is part of the United States National Library of Medicine (NLM), a branch of the National Institutes of H ...
'' Itoh, Suzuki & Nakase 1998 ** '' Vulcanisaeta'' Itoh, Suzuki & Nakase 2002


Order Sulfolobales

* Family Fervidicoccaceae Perevalova et al. 2010 ** '' Fervidicoccus'' Perevalova et al. 2010 * Family "Ignicoccaceae" Rinke et al. 2020 ** ''
Ignicoccus ''Ignicoccus'' is a genus of hyperthermophillic Archaea living in marine hydrothermal vents. They were discovered in samples taken at the Kolbeinsey Ridge north of Iceland, as well as at the East Pacific Rise (at 9 degrees N, 104 degrees W) i ...
'' Huber, Burggraf & Stetter 2000 * Family
Pyrodictiaceae The Pyrodictiaceae are a family of disc-shaped anaerobic Anaerobic means "living, active, occurring, or existing in the absence of free oxygen", as opposed to aerobic which means "living, active, or occurring only in the presence of oxygen." An ...
Burggraf, Huber & Stetter 1997 ** ?'' Geogemma'' Kashefi, Holmes & Lovley 2006 ** '' Hyperthermus'' Zillig, Holz & Wunderl 1991 ** '' Pyrodictium'' Stetter, König & Stackebrandt 1984 ** '' Pyrolobus'' Blochl et al. 1999 * Family Acidilobaceae Prokofeva et al. 2009 ** ''
Aeropyrum In taxonomy, ''Aeropyrum'' is a genus of the Desulfurococcaceae. Etymology The name ''Aeropyrum'' derives from:Greek noun ''aer, aeros (ἀήρ, ἀέρος)'', air; Greek neuter gender noun ''pur'', fire; New Latin neuter gender noun ''Aeropyru ...
'' Sako et al. 1996 ** ''
Acidilobus In taxonomy, ''Acidilobus'' is a genus of the Acidilobaceae.See the NCBI The National Center for Biotechnology Information (NCBI) is part of the United States National Library of Medicine (NLM), a branch of the National Institutes of Health ...
'' Prokofeva et al. 2000 ** ''
Caldisphaera In taxonomy, ''Caldisphaera'' is a genus of the Caldisphaeraceae.See the NCBI The National Center for Biotechnology Information (NCBI) is part of the United States National Library of Medicine (NLM), a branch of the National Institutes of He ...
'' Itoh et al. 2003 ** ?''
Stetteria In taxonomy, ''Stetteria'' is a genus of the Desulfurococcaceae In taxonomy, the Desulfurococcaceae are a family of the disc-shaped anaerobic microorganisms belonging to the order Desulfurococcales, in the domain Archaea. Members of this fam ...
'' Jochimsen, Peinemann-Simon & Thomm 1998 ** ?''
Thermodiscus In taxonomy, ''Thermodiscus'' is a genus of the Desulfurococcaceae.See the NCBI The National Center for Biotechnology Information (NCBI) is part of the United States National Library of Medicine (NLM), a branch of the National Institutes of ...
'' Stetter 2003 * Family Desulfurococcaceae Zillig & Stetter 1983 ** ?'' Caldococcus'' Aoshima, Yamagishi & Oshima 1996 ** ''
Desulfurococcus In taxonomy, ''Desulfurococcus'' is a genus of the Desulfurococcaceae In taxonomy, the Desulfurococcaceae are a family of the disc-shaped anaerobic microorganisms belonging to the order Desulfurococcales, in the domain Archaea. Members of th ...
'' Zillig & Stetter 1983 ** ''
Staphylothermus In taxonomy, ''Staphylothermus'' is a genus of the Desulfurococcaceae. Taxonomy Desulfurococcaceae are anaerobic, sulfur respiring, extreme thermophiles. Desulfurococcaceae share the same family as Desulfurococcus. Two species of ''Staphylother ...
'' Stetter & Fiala 1986 ** ?''
Sulfophobococcus In taxonomy, ''Sulfophobococcus'' is a genus of the Desulfurococcaceae.See the NCBI The National Center for Biotechnology Information (NCBI) is part of the United States National Library of Medicine (NLM), a branch of the National Institute ...
'' Hensel et al. 1997 ** ''
Thermogladius In taxonomy, the Desulfurococcaceae are a family of the disc-shaped anaerobic microorganisms belonging to the order Desulfurococcales, in the domain Archaea. Members of this family are distinguished from the other family ( Pyrodictiaceae) in th ...
'' Osburn & Amend 2011 ex Kochetkova et al. 2016 ** ''
Thermosphaera ''Thermosphaera'' is a genus of the Desulfurococcaceae. They are a group of prokaryotic organisms which have been discovered in extremely hot environments such as sulfur springs, volcanoes, and magma pools. Isolates of ''Thermosphaera'' were firs ...
'' Huber et al. 1998 * Family "Ignisphaeraceae" Rinke et al. 2020 ** ''
Ignisphaera In taxonomy, ''Ignisphaera'' is a genus of the Desulfurococcales The Desulfurococcales are an order of the Thermoprotei, part of the kingdom Archaea. The order encompasses a number of genera which are all thermophilic, autotrophs which util ...
'' Niederberger et al. 2006 * Family NBVN01 ** '' Zestosphaera'' St. John et al. 2021 * Family Sulfolobaceae Stetter 1989 ** ''
Acidianus In taxonomy, ''Acidianus'' is a genus of the Sulfolobaceae.See the NCBI The National Center for Biotechnology Information (NCBI) is part of the United States National Library of Medicine (NLM), a branch of the National Institutes of Health ( ...
'' Segerer et al. 1986 ** "''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 ** ?"''Candidatus'' Hadesarchaeum" Hua et al. 2019 ** ?"''Candidatus'' Methanourarchaeum" Hua et al. 2019 ** "''Candidatus'' Hadarchaeum" Chuvochina et al. 2019


Phylum Methanobacteriota_B


Class " Theionarchaeia"


Class Thermococci


Order "Methanofastidiosales"

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


Order Thermococcales

* Family
Thermococcaceae In taxonomy, the Thermococcaceae are a family of the Thermococcales. Almost all species within the three genera of Thermococcaceae were isolated from hydrothermal vents in the ocean. All are strictly anaerobe An anaerobic organism or anaerobe ...
Zillig et al. 1988 ** '' Palaeococcus'' Takai et al. 2000 ** ''
Pyrococcus ''Pyrococcus'' is a genus of Thermococcaceaen archaean.See the NCBIbr>webpage on Pyrococcus Data extracted from the Description and significance ''Pyrococcus'' has similar characteristics of other thermoautotrophican archaea such as ''Ar ...
'' Fiala & Stetter 1986 ** ''
Thermococcus In taxonomy, ''Thermococcus'' is a genus of thermophilic Archaea in the family the Thermococcaceae. Members of the genus ''Thermococcus'' are typically irregularly shaped coccoid species, ranging in size from 0.6 to 2.0 μm in diameter. Some ...
'' Zillig 1983


Phylum Methanobacteriota_A


Class Methanopyri


Order Methanopyrales

* Family
Methanopyraceae In taxonomy, the Methanopyraceae are a family of the Methanopyrales. This family contains only one genus, which contains only one species, ''Methanopyrus kandleri''. It is chemolitoautotrophic and its cells are bar-shaped. It can grow comfortabl ...
Huber & Stetter 2002 ** ''
Methanopyrus In taxonomy, ''Methanopyrus'' is a genus of the Methanopyraceae. ''Methanopyrus'' is a genus of methanogen, with a single described species, ''M. kandleri''. It is a rod-shaped hyperthermophile, discovered on the wall of a black smoker from the ...
'' Kurr et al. 1992


Class

Methanococci Methanococci is a class of methanogenic archaea in the phylum Euryarchaeota.See the NCBIbr>webpage on Methanococci Data extracted from the They can be mesophilic, thermophilic A thermophile is an organism—a type of extremophile—that t ...


Order

Methanococcales In taxonomy, the Methanococcales are an order of the Methanococci. Phylogeny The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) and National Center for Biotechnology Information (NC ...

*Family
Methanocaldococcaceae In taxonomy, the Methanocaldococcaceae are a family of microbes within the order Methanococcales. It contains two genera, the type genus ''Methanocaldococcus'' and ''Methanotorris''. These species are coccoid in form, neutrophilic to slightly ...
Whitman 2002 ** '' Methanocaldococcus'' Whitman 2002 * Family
Methanococcaceae In taxonomy, the Methanococcaceae are a family of the Methanococcales. These organisms produce methane from formate or through the reduction of carbon dioxide with hydrogen. They live in marshes and other coastal areas. Members of the genu ...
Balch & Wolfe 1981 ** ''
Methanococcus ''Methanococcus'' is a genus of coccoid methanogens of the family Methanococcaceae. They are all mesophiles, except the thermophilic '' M. thermolithotrophicus'' and the hyperthermophilic '' M. jannaschii''. The latter was discovered at the b ...
'' Kluyver & van Niel 1936 ** '' Methanofervidicoccus'' Sakai et al. 2019 ** '' Methanothermococcus'' Whitman 2002 ** ''
Methanotorris In taxonomy, ''Methanotorris'' is a genus of the Methanocaldococcaceae.See the NCBIbr>webpage on Methanotorris Data extracted from the The organisms in this genus differ from those of ''Methanothermococcus'' in that they are hyperthermophiles ...
'' Whitman 2002


Phylum " Hydrothermarchaeota"


Class "Hydrothermarchaeia"


Order "Hydrothermarchaeales"

* Family "Hydrothermarchaeaceae" Chuvochina et al. 2019 ** "''Candidatus'' Hydrothermarchaeum" Chuvochina et al. 2019


Phylum " Methanobacteriota"


Class

Methanobacteria In taxonomy, the Methanobacteria are a class of the Euryarchaeota. Several of the classes of the Euryarchaeota are methanogens and the Methanobacteria are one of these classes. Applications Methanobacteria can be used in biomass conversion as ...


Order Tepidaquicellales

* Family "Tepidaquicellaceae" corrig. Kadnikov et al. 2020 ** "''Candidatus'' Tepidaquicella" corrig. Kadnikov et al. 2020


Order

Methanobacteriales In taxonomy, the Methanobacteriales are an order of the Methanobacteria. Species within this order differ from other methanogens in that they can use fewer catabolic substrates and have distinct morphological characteristics, lipid composition ...

* Family Methanothermaceae Stetter et al. 1982 ** '' Methanothermus'' Stetter et al. 1982 * Family "Methanothermobacteraceae" Rinke et al. 2020 ** ''
Methanothermobacter In taxonomy, ''Methanothermobacter'' is a genus of the Methanobacteriaceae.See the NCBIbr>webpage on Methanothermobacter Data extracted from the The species within this genus are thermophilic and grow best at temperatures between 55°C and ...
'' Wasserfallen et al. 2000 * Family
Methanobacteriaceae In taxonomy, the Methanobacteriaceae are a family of the Methanobacteriales. Phylogeny The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) and National Center for Biotechnology Informat ...
Barker 1956 ** '' Methanobacterium'' Kluyver & van Niel 1936 ** ''
Methanobrevibacter In taxonomy, ''Methanobrevibacter'' is a genus of the Methanobacteriaceae.See the NCBIbr>webpage on Methanobrevibacter Data extracted from the The species within ''Methanobrevibacter'' are strictly anaerobic archaea that produce methane, for t ...
'' Balch & Wolfe 1981 ** ''
Methanosphaera In taxonomy, ''Methanosphaera'' is a genus of microbes within the family Methanobacteriaceae.See the NCBIbr>webpage on Methanosphaera Data extracted from the It was distinguished from other genera within Methanobacteriaceae in 1985 on the basi ...
'' Miller & Wolin 1985


Phylum " Thermoplasmatota"


Class "Izemarchaea"


Order " Thermoprofundales"

* (MBG-D, E2)


Class " Pontarchaea"


Order MGIII

* (MGIII High GC) * (MGIII Low GC)


Class "Poseidoniia"


Order "Poseidoniales"

* Family "Poseidoniaceae" corrig. Rinke et al. 2019 ** "''Candidatus''
Poseidonia Poseidonia ( el, Ποσειδωνία, Posidonía, named after Poseidon) is a village and a former municipality on the island of Syros, in the Cyclades, Greece Greece,, or , romanized: ', officially the Hellenic Republic, is a country in ...
" 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 "Proteinoplasmatales"


Order "Sysuiplasmatales"

* Family "Sysuiplasmataceae" Yuan et al. 2021 ** ?"''Candidatus'' Sysuiplasma" Yuan et al. 2021


Order "Gimiplasmatales"

* Family "Gimiplasmataceae" Hu et al. 2020 ** "''Candidatus'' Gimiplasma" Hu et al. 2020


Order Methanomassiliicoccales

* ?"''Candidatus'' Methanarcanum" Chibani et al. 2022 * 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'' 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 PWKY01

* Family PWKY01 ** ?"''Candidatus'' Haladaptoplasma" Zhou et al. 2022 ** ?"''Candidatus'' Haloplasma" Zhou et al. 2022 non Antunes et al. 2008 ** "''Candidatus'' Natronoplasma" Zhou et al. 2022 ** ?"''Candidatus'' Saliniplasma" Zhou et al. 2022


Order "Aciduliprofundales"

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


Order Thermoplasmatales

* Family
Thermoplasmataceae In taxonomy, the Thermoplasmataceae are a family of the Thermoplasmatales. It contains only one genus, ''Thermoplasma''. All species within Thermoplasmataceae are thermophile, thermoacidophiles, and they grow at a temperature of 60°C and pH ...
Reysenbach 2002 ** ''
Acidiplasma ''Acidiplasma'' is a genus in the phylum Euryarchaeota ( Archaea). Etymology The name ''Acidiplasma'' derives from:New Latin neuter gender n ''acidum'', an acid; Greek neuter gender noun ''plasma (πλάσμα)'', something shaped or moulded; N ...
'' Golyshina et al. 2009 ** '' Cuniculiplasma'' corrig. Golyshina et al. 2016 ** '' Ferroplasma'' Golyshina et al. 2000 ** ''
Picrophilus In taxonomy, ''Picrophilus'' is an archaean genus of the family Picrophilaceae. ''Picrophilus'' is an extremely acidophilic genus within Euryarchaeota. These microbes are the most acidophilic organisms currently known, with the ability to grow ...
'' Schleper et al. 1996 ** ?"''Candidatus'' Scheffleriplasma" Krause et al. 2022 ** ''
Thermogymnomonas In taxonomy, the Thermoplasmatales are an order of the Thermoplasmata. All are acidophiles, growing optimally at pH below 2. '' Picrophilus'' is currently the most acidophilic of all known organisms, being capable of growing at a pH of -0.06. M ...
'' Itoh, Yoshikawa & Takashina 2007 ** '' Thermoplasma'' Darland et al. 1970


Phylum " Halobacteriota"


Halobacteriota incertae sedis

* "''Candidatus'' Methanotowutia" Ou et al. 2022 * "''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 "Methanoliparia"


Order "Methanoliparales"

* Family "Methanoliparaceae" Borrel et al. 2019 ** "''Candidatus'' Methanoliparum" Borrel et al. 2019 ** "''Candidatus'' Methanolliviera" Borrel et al. 2019


Class

Archaeoglobi Archaeoglobaceae are a family of the Archaeoglobales. All known genera within the Archaeoglobaceae are hyperthermophilic and can be found near undersea hydrothermal vents. Archaeoglobaceae are the only family in the order ''Archaeoglobales'', w ...


Order

Archaeoglobales Archaeoglobaceae are a family of the Archaeoglobales. All known genera within the Archaeoglobaceae are hyperthermophilic and can be found near undersea hydrothermal vents. Archaeoglobaceae are the only family in the order ''Archaeoglobales'', w ...

* Family "Allopolytropaceae" corrig. Boyd et al. 2019 ** ?"''Candidatus'' Allopolytropus" corrig. Boyd et al. 2019 * Family
Archaeoglobaceae Archaeoglobaceae are a family of the Archaeoglobales. All known genera within the Archaeoglobaceae are hyperthermophilic and can be found near undersea hydrothermal vents. Archaeoglobaceae are the only family in the order ''Archaeoglobales'', w ...
Huber & Stetter 2002 ** ?"''Candidatus'' Methanomixotrophus" corrig. Liu et al. 2020 ** ?"''Candidatus'' Methanoproducendum" Hua et al. 2019 ** '' Archaeoglobus'' Stetter 1988 ** ''
Ferroglobus ''Ferroglobus'' is a genus of the Archaeoglobaceae.See the NCBIbr>webpage on Ferroglobus Data extracted from the ''Ferroglobus'' is a hyperthermophilic genus phylogenetically located within the Euryarchaeota. It consists of one species, ''F. ...
'' Hafenbradl et al. 1997 ** ''
Geoglobus ''Geoglobus'' is a hyperthermophilic member of the Archaeoglobaceae within the Euryarchaeota. It consists of two species, the first, ''G. ahangari'', isolated from the Guaymas Basin hydrothermal system located deep within the Gulf of California ...
'' Kashefi et al. 2002


Class "Syntropharchaeia"


Order "Methanophagales"

* Family "Methanophagaceae" Chadwick et al. 2022 ** ?"''Candidatus'' Methanophaga"" Chadwick et al. 2022 ** ?"''Candidatus'' Methanoalium" Chadwick 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 ** ''
Methanothrix In the taxonomy of microorganisms, the Methanothrix are a genus of the Euryarchaeota Euryarchaeota (from Ancient Greek ''εὐρύς'' eurús, "broad, wide") is a phylum of archaea. Euryarchaeota are highly diverse and include methanogens, wh ...
'' Huser, Wuhrmann & Zehnder 1983


Order Methanosarcinales_A

* Family Methermicoccaceae Cheng et al. 2007 ** '' Methermicoccus'' Cheng et al. 2007


Order

Methanosarcinales In taxonomy, the Methanosarcinales are an order of the Methanomicrobia. Large amounts of methane are produced in marine sediments but are then consumed before contacting aerobic waters or the atmosphere. Although no organism that can consume m ...

* Family "Methanogasteraceae" Chadwick et al. 2022 (ANME-2c) ** "''Candidatus'' Methanogaster" Chadwick et al. 2022 * Family "Methanocomedenaceae" Chadwick et al. 2022 ** "''Candidatus'' Methanocomedens" Chadwick et al. 2022 (ANME-2a) ** "''Candidatus'' Methanomarinus" Chadwick et al. 2022 (ANME-2b) * Family 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 Methanosarcinaceae Balch & Wolfe 1981 ** ?'' Halomethanococcus'' Yu & Kawamura 1988 ** '' Methanimicrococcus'' corrig. Sprenger et al. 2000 ** '' Methanococcoides'' Sowers & Ferry 1985 ** '' Methanohalobium'' Zhilina & Zavarzin 1988 ** ''
Methanohalophilus In taxonomy, ''Methanohalophilus'' is a genus of the Methanosarcinaceae.See the NCBIbr>webpage on Methanohalophilus Data extracted from the The species are strictly anaerobic and live solely through the production of methane, using methyl co ...
'' 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

Methanomicrobia In the taxonomy of microorganisms, the Methanomicrobia are a class of the Euryarchaeota. Phylogeny The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) and National Center for Biotech ...


Order "Alkanophagales"


Order

Methanomicrobiales In the alpha taxonomy, taxonomy of microorganisms, the Methanomicrobiales are an order (biology), order of the Methanomicrobia. ''Methanomicrobiales'' are strictly carbon dioxide redox, reducing methanogens, using hydrogen or formate as the redu ...

* Family
Methanocorpusculaceae In taxonomy, the Methanocorpusculaceae are a family of microbes within the order Methanomicrobiales. It contains exactly one genus, ''Methanocorpusculum''. The species within ''Methanocorpusculum'' were first isolated from anaerobic digester ...
Zellner et al. 1989 ** '' Methanocalculus'' Ollivier et al. 1998 ** '' Methanocorpusculum'' Zellner et al. 1988 * Family "Methanofollaceae" ** '' Methanofollis'' Zellner et al. 1999 * Family "Methanosphaerulaceae" Rinke et al. 2020 ** '' Methanosphaerula'' Cadillo-Quiroz et al. 2009 * Family
Methanospirillaceae Methanospirillaceae are a family of microbes within Methanomicrobiales. This family contains only one genus, ''Methanospirillum''. All its species are methanogenic archaea. The cells are bar-shaped and can form long filaments. Most produce ene ...
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 ** '' Methanoculleus'' Maestrojun et al. 1990 * Family
Methanomicrobiaceae Methanomicrobiaceae are a family of archaea in the order the Methanomicrobiales. Phylogeny The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) and National Center for Biotechnology I ...
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 "Methanohalarchaeaceae" Sorokin et al. 2018 ** "''Candidatus'' Methanohalarchaeum" Sorokin et al. 2018 * Family Methanonatronarchaeaceae Sorokin et al. 2018 ** '' Methanonatronarchaeum'' Sorokin et al. 2018


Class Halobacteria


Order Halobacteriales

* Halobacteriales incertae sedis ** "''
Haloalcalophilium In taxonomy, ''Haloalcalophilium'' is a genus of the Halobacteriaceae.See the NCBI The National Center for Biotechnology Information (NCBI) is part of the United States National Library of Medicine (NLM), a branch of the National Institutes ...
''" Lizama et al. 2000a * Family "Halalkalicoccaceae" ** ''
Halalkalicoccus ''Halalkalicoccus'' (common abbreviation ''Hac.'') is a genus of the Halobacteriaceae.See the NCBI The National Center for Biotechnology Information (NCBI) is part of the United States National Library of Medicine (NLM), a branch of the Nat ...
'' Xue et al. 2005 * Family "Haladaptaceae" Rinke et al. 2020 ** ''
Haladaptatus ''Haladaptatus'' (common abbreviation ''Hap.'') is a genus of halophilic archaea in the family of Halobacteriaceae In taxonomy, the Halobacteriaceae are a family of the Halobacteriales in the domain Archaea.See the NCBIbr>webpage on Halobacte ...
'' Savage et al. 2007 ** ?'' Halomicrococcus'' Chen et al 2020 ** ''
Halorussus In taxonomy, the Halobacteriaceae are a family of the Halobacteriales in the domain Archaea.See the NCBIbr>webpage on Halobacteriaceae Data extracted from the ''Halobacteriaceae'' represent a large part of halophilic Archaea, along with member ...
'' Cui et al. 2014 * Family Halobacteriaceae ** '' Halanaeroarchaeum'' Sorokin et al. 2016 ** ''
Halarchaeum ''Halarchaeum'' (common abbreviation ''Hla.'') is a genus of halophilic archaea in the family of Halobacteriaceae In taxonomy, the Halobacteriaceae are a family of the Halobacteriales in the domain Archaea.See the NCBIbr>webpage on Halobacter ...
'' Minegishi et al. 2010 ** '' Halobacterium'' Elazari-Volcani 1957 ** '' Halocalculus'' Minegishi et al. 2015 ** '' Halodesulfurarchaeum'' Sorokin et al. 2017 ** '' Sala'' Song et al. 2022 ** ''
Salarchaeum In taxonomy, the Halobacteriaceae are a family of the Halobacteriales in the domain Archaea.See the NCBIbr>webpage on Halobacteriaceae Data extracted from the ''Halobacteriaceae'' represent a large part of halophilic Archaea, along with member ...
'' Shimane et al. 2011 * Family "Salinarchaeaceae" ** '' Salinarchaeum'' Cui et al. 2014 * Family QS-9-68-17 ** ''
Halostella ''Halostella'' (common abbreviation ''Hsl.'') is a genus of halophilic archaea in the family of Halobacteriaceae In taxonomy, the Halobacteriaceae are a family of the Halobacteriales in the domain Archaea.See the NCBIbr>webpage on Halobacter ...
'' Song et al. 2016 * Family "Natronoarchaeaceae" Sorokin et al. 2022 ** ?"'' Natranaeroarchaeum''" Sorokin et al. 2021 ** ''
Natronoarchaeum In taxonomy, the Halobacteriaceae are a family of the Halobacteriales in the domain Archaea.See the NCBIbr>webpage on Halobacteriaceae Data extracted from the ''Halobacteriaceae'' represent a large part of halophilic Archaea, along with member ...
'' Shimane et al. 2010 * Family
Natrialbaceae ''Natrialbales'' is an order of halophilic, chemoorganotrophic archaea within the class Haloarchaea. The type genus of this order is ''Natrialba.'' The name ''Natrialbales'' is derived from the Latin term ''Natriabla,'' referring to the type gen ...
Gupta et al. 2015 ** ''
Haloarchaeobius ''Haloarchaeobius'' (common abbreviation ''Hab.'') is a genus of halophilic archaea in the family of Halobacteriaceae In taxonomy, the Halobacteriaceae are a family of the Halobacteriales in the domain Archaea.See the NCBIbr>webpage on Haloba ...
'' Makhdoumi-Kakhki et al. 2012 ** ''
Halobiforma ''Halobiforma'' (common abbreviation: ''Hbf.'') is a genus of halophilic archaea of the family Natrialbaceae.See the NCBI The National Center for Biotechnology Information (NCBI) is part of the United States National Library of Medicine (N ...
'' Hezayen et al. 2002 ** ''
Halopiger ''Halopiger'' is a genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below ...
'' Gutierrez et al. 2007 ** '' Halorubellus'' Cui et al. 2014 ** '' Halostagnicola'' Castillo et al. 2006 ** ''
Haloterrigena ''Haloterrigena'' (common abbreviation ''Htg.'') is a genus of the Natrialbaceae. Taxonomy ;Species formerly placed in this taxon * ''Haloterrigena daqingensis'', now '' Natronorubrum daqingense'' * ''Haloterrigena hispanica'', now '' Natrinem ...
'' Ventosa et al. 1999 ** '' Halovarius'' Mehrshad et al. 2015 ** ''
Halovivax In taxonomy, ''Halovivax'' is a genus of the Natrialbaceae.See the NCBIbr>webpage on Halovivax Data extracted from the Some species of ''Halovivax'' are halophiles and have been found in Iran Iran, officially the Islamic Republic ...
'' Castillo et al. 2006 ** '' Natrarchaeobaculum'' Sorokin et al. 2020 ** '' Natrarchaeobius'' corrig. Sorokin et al. 2020 ** ''
Natrialba In taxonomy, ''Natrialba'' is a genus of the Natrialbaceae. The genus consists of many diverse species that can survive extreme environmental niches, especially they are capable to live in the waters saturated or nearly saturated with salt (halo ...
'' Kamekura & Dyall-Smith 1996 ** '' Natribaculum'' Liu et al. 2015 ** ''
Natronobacterium In taxonomy, ''Natronobacterium'' is a genus of the Natrialbaceae.See the NCBIbr>webpage on Natronobacterium Data extracted from the A member of the domain Archaea, it is both an extreme halophile and alkaliphile Alkaliphiles are a class of ...
'' Tindall et al. 1984 ** '' Natronobiforma'' Sorokin et al. 2019 ** ''
Natronococcus In taxonomy, ''Natronococcus'' is a genus of the Natrialbaceae. Description and significance This haloalkaliphilic archaeon is in the same family as microorganisms like ''Halobacterium''. Study of ''Natronococcus'' continues to explore what e ...
'' Tindall et al. 1984 ** ''
Natronolimnobius ''Natronolimnobius'' (common abbreviation ''Nln.'') is a genus of the Natrialbaceae.See the NCBI The National Center for Biotechnology Information (NCBI) is part of the United States National Library of Medicine (NLM), a branch of the Natio ...
'' Itoh et al. 2005 ** '' Natronolimnohabitans'' Sorokin et al. 2020 ** ''
Natrinema ''Natrinema'' (common abbreviation ''Nnm.'') is a genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus ...
'' McGenity et al. 1998 ** ''
Natronorubrum ''Natronorubrum'' is a genus in the family Halobacteriaceae.See the NCBI The National Center for Biotechnology Information (NCBI) is part of the United States National Library of Medicine (NLM), a branch of the National Institutes of Health ...
'' Xu et al. 1999 ** '' Salinadaptatus'' Xue et al. 2020 ** '' Saliphagus'' Yin et al. 2017 * Family
Halococcaceae ''Halococcaceae'' is a family of halophilic and mostly chemoorganotrophic archaea within the order '' Halobacteriales''. The type genus of this family is ''Halococcus.'' Its biochemical characteristics are the same as the order '' Halobacteriales ...
Gupta et al. 2016 ** ''
Halococcus ''Halococcus'' (common abbreviation: ''Hcc.'') is a genus of the Halococcaceae. Ecology ''Halococcus'' is a genus of extreme halophilic archaea, meaning that they require high salt levels, sometimes as high as 32% NaCl, for optimal growth. H ...
'' 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 ** '' Halorientalis'' Cui et al. 2011 ** '' Halorhabdus'' Waino et al. 2000 ** ?'' Halosegnis'' Duran-Viseras et al. 2022 ** '' Halosimplex'' Vreeland et al. 2003 ** '' Halovenus'' Makhdoumi-Kakhki et al. 2012 ** '' Natronomonas'' Kamekura et al. 1997 ** '' Salinibaculum'' Han & Cui 2020 ** ?''
Salinirubellus ''Salinirubellus salinus'' is an halophile archaeal species. It was first isolated from a marine solar saltern in Zhejiang Province Zhejiang ( or , ; , Chinese postal romanization, also romanized as Chekiang) is an East China, eastern, ...
'' Hou et al. 2018 ** '' Salinirussus'' Cui et al. 2017 * 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 __NOTOC__ ''Halobaculum'' (common abbreviation: ''Hbl.'') is a genus (biology), genus of the Halorubraceae.See the National Center for Biotechnology Information, NCBI]webpage on Halobaculum Data extracted from the Further reading Scientific j ...
'' Oren et al. 1995 ** ''
Halobellus ''Halobellus'' (common abbreviation: ''Hbs.'') is a genus of halophilic archaea Archaea ( ; singular archaeon ) is a domain of single-celled organisms. These microorganisms lack cell nuclei and are therefore prokaryotes. Archaea wer ...
'' Cui et al. 2011 ** ?'' Halobium'' Mori et al. 2016 ** '' Haloferax'' Torreblanca et al. 1986 ** '' Halogeometricum'' Montalvo-Rodriguez et al. 1998 ('' Halosarcina'') ** ''
Halogranum ''Halogranum'' (common abbreviation ''Hgn.'') is a genus of halophilic archaea in the family of Haloferacaceae ''Haloferacaceae'' is a family of halophilic, chemoorganotrophic or heterotrophic archaea within the order ''Haloferacales.'' The t ...
'' Cui et al. 2010 ** '' Halohasta'' Mou et al. 2013 ** ''
Halolamina In taxonomy, the Halobacteriaceae are a family of the Halobacteriales in the domain Archaea.See the NCBIbr>webpage on Halobacteriaceae Data extracted from the ''Halobacteriaceae'' represent a large part of halophilic Archaea, along with member ...
'' Cui et al. 2011 ** '' Halonotius'' Burns et al. 2010 ** ''
Haloparvum ''Haloparvum'' (common abbreviation ''Hpv.'') is a genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, ...
'' Chen et al. 2016 ** '' Halopelagius'' Cui et al. 2010 ** '' Halopenitus'' Amoozegar et al. 2012 ** ''
Haloplanus In taxonomy, ''Haloplanus'' is a genus of the Halobacteriaceae.See the NCBI The National Center for Biotechnology Information (NCBI) is part of the United States National Library of Medicine (NLM), a branch of the National Institutes of Heal ...
'' Elevi Bardavid et al. 2007 ** '' Haloprofundus'' Zhang et al. 2017 ** '' Haloquadratum'' Burns et al. 2007 ** ''
Halorubrum ''Halorubrum'' is a genus in the family Halorubraceae. ''Halorubrum'' species areusually halophilic and can be found in waters with high salt concentration such as the Dead Sea or Lake Zabuye. Genetic exchange A population of the haloarchaea ' ...
'' McGenity & Grant 1996 ** ?'' Halosiccatus'' Mehrshad et al. 2016 ** ?'' Natronocalculus'' Sorokin et al. 2022 ** ?''
Salinirubrum ''Salinirubrum litoreum'' is a halophilic archaeon in the family of Halobacteriaceae In taxonomy, the Halobacteriaceae are a family of the Halobacteriales in the domain Archaea.See the NCBIbr>webpage on Halobacteriaceae Data extracted from t ...
'' corrig. Cui & Qiu 2014 ** '' Salinigranum'' Cui & Zhang 2014


See also

*
Branching order of bacterial phyla (Woese, 1987) There are several models of the Branching order of bacterial phyla, one of these was proposed in 1987 paper by Carl Woese. The branching order proposed by Carl Woese was based on molecular phylogeny, which was considered revolutionary as all p ...
*
Branching order of bacterial phyla (Gupta, 2001) There are several models of the Branching order of bacterial phyla, one of these was proposed in 2001 by Gupta based on conserved indels or protein, termed "protein signatures", an alternative approach to molecular phylogeny. Some problematic ex ...
*
Branching order of bacterial phyla (Cavalier-Smith, 2002) There are several models of the Branching order of bacterial phyla, one of these was proposed in 2002 and 2004 by Thomas Cavalier-Smith. In this frame of work, the branching order of the major lineage of bacteria are determined based on some mor ...
*
Branching order of bacterial phyla (Rappe and Giovanoni, 2003) There are several models of the Branching order of bacterial phyla, the most cited of these was proposed in 1987 paper by Carl Woese. This cladogram was later expanded by Rappé and Giovanoni in 2003 to include newly discovered phyla. Clear nam ...
* Branching order of bacterial phyla (Battistuzzi et al.,2004) *
Branching order of bacterial phyla (Ciccarelli et al., 2006) There are several models of the Branching order of bacterial phyla, one of these was proposed in 2006 by Ciccarelli ''et al.'' for their iTOL project. This tree is based on a concatenated set of conserved protein and not 16S rRNA (cf. Branchi ...
*
Branching order of bacterial phyla after ARB Silva Living Tree The All-Species Living Tree' Project is a collaboration between various academic groups/institutes, such as ARB, SILVA rRNA database project, and LPSN, with the aim of assembling a database of 16S rRNA sequences of all validly published species ...
*
Branching order of bacterial phyla (Genome Taxonomy Database, 2018) There are several models of the branching order of bacterial phyla, one of these is the Genome Taxonomy Database (GTDB). The GTDB is an initiative to establish a standardised microbial taxonomy based on genome phylogeny, primarily funded by an Aus ...
* Bacterial phyla * List of bacteria genera * List of bacterial orders


References

{{Archaea classification
Archaea Archaea ( ; singular archaeon ) is a domain of single-celled organisms. These microorganisms lack cell nuclei and are therefore prokaryotes. Archaea were initially classified as bacteria, receiving the name archaebacteria (in the Archaeba ...