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 Archaebac ...
. The currently accepted taxonomy is based on the
List of Prokaryotic names with Standing in Nomenclature
List of Prokaryotic names with Standing in Nomenclature (LPSN) is an online database that maintains information on the naming and taxonomy of prokaryotes, following the taxonomy requirements and rulings of the International Code of 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. The ...
(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. The ...
(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
List of Prokaryotic names with Standing in Nomenclature (LPSN) is an online database that maintains information on the naming and taxonomy of prokaryotes, following the taxonomy requirements and rulings of the International Code of 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 parap ...
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
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 ...
.
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
DPANN is a super phylum of Archaea first proposed in 2013. Many members show novel signs of horizontal gene transfer from other domains of life. They are known as nanoarchaea or ultra-small archaea due to their smaller size (nanometric) compared ...
"
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
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 ...
"
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"
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 th ...
"
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 Xenarch ...
"
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
The Nitrososphaerota (syn. Thaumarchaeota) are a phylum of the Archaea proposed in 2008 after the genome of '' Cenarchaeum symbiosum'' was sequenced and found to differ significantly from other members of the hyperthermophilic phylum Thermoprot ...
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
The Nitrososphaerota (syn. Thaumarchaeota) are a phylum of the Archaea proposed in 2008 after the genome of '' Cenarchaeum symbiosum'' was sequenced and found to differ significantly from other members of the hyperthermophilic phylum Thermoprot ...
* 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
''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
* Family
Nitrosopumilaceae
The Nitrosopumilaceae are a family of the Archaea order Nitrosopumilales
The Nitrosopumilales are an order of the Archaea class Nitrososphaeria.
Phylogeny
Phylogeny of Nitrososphaerales
Taxonomy
The currently accepted taxonomy is based on ...
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
''Nitrosopumilus maritimus'' is an extremely common archaeon living in seawater. It is the first member of the Group 1a Nitrososphaerota (formerly Thaumarchaeota) to be isolated in pure culture. Gene sequences suggest that the Group 1a Nitrososph ...
''
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
In taxonomy
Taxonomy is the practice and science of categorization or classification.
A taxonomy (or taxonomical classification) is a scheme of classification, especially a hierarchical classification, in which things are organized into g ...
* 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
''Pyrobaculum'' is a genus of the Thermoproteaceae.
Description and significance
As its Latin name ''Pyrobaculum'' (the "fire stick") suggests, the archaeon is rod-shaped and isolated from locations with high temperatures. It is Gram-negative ...
''
Huber, Kristjansson & Stetter 1988
** ''
Thermoproteus
In alpha taxonomy, taxonomy, ''Thermoproteus'' is a genus (biology), genus of the Thermoproteaceae. These prokaryotes are thermophile, thermophilic sulphur-dependent organisms related to the genera ''Sulfolobus'', ''Pyrodictium'' and ''Desulfuroc ...
''
Zillig & Stetter 1982
* Family "Thermocladiaceae"
Rinke et al. 2020
** ''
Caldivirga''
Itoh et al. 1999
** ''
Thermocladium''
Itoh, Suzuki & Nakase 1998
** ''
Vulcanisaeta
In alpha taxonomy, taxonomy, ''Vulcanisaeta'' is a genus (biology), genus of the Thermoproteaceae.
Description and significance
''Vulcanisaeta'' is an anaerobic, heterotrophic, hyperthermophilic archaeon that grows optimally at 85–90 ° ...
''
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) ...
''
Huber, Burggraf & Stetter 2000
* Family
Pyrodictiaceae
The Pyrodictiaceae are a family of disc-shaped anaerobic microorganisms belonging to the order Desulfurococcales, in the domain Archaea. Members of this family are distinguished from the other family (Desulfurococcaceae) in the order Desulfuroc ...
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''
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
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 t ...
Zillig & Stetter 1983
** ?''
Caldococcus''
Aoshima, Yamagishi & Oshima 1996
** ''
Desulfurococcus
In taxonomy, ''Desulfurococcus'' 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 ...
''
Zillig & Stetter 1983
** ''
Staphylothermus''
Stetter & Fiala 1986
** ?''
Sulfophobococcus
In alpha taxonomy, taxonomy, ''Sulfophobococcus'' is a genus (biology), genus of the Desulfurococcaceae.See the National Center for Biotechnology Information, NCBI]webpage on Sulfophobococcus Data extracted from the
References
Further read ...
''
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 the ...
''
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
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 ...
''
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 NCBIbr>webpage on Acidianus Data extracted from the
See also
* List of bacterial genera named after mythological figures
Several bacterial species are named after Greek or Ro ...
''
Segerer et al. 1986
** "''Candidatus''
Aramenus"
Servín-Garcidueñas & Martínez-Romero 2014
** ''
Metallosphaera
In taxonomy, ''Metallosphaera'' 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 He ...
''
Huber et al. 1989
** ''
Saccharolobus''
Sakai & Kurosawa 2018
** ''
Stygiolobus''
Segerer et al. 1991
** ''
Sulfodiicoccus''
Sakai & Kurosawa 2017
** ''
Sulfolobus
''Sulfolobus'' is a genus of microorganism in the family Sulfolobaceae. It belongs to the archaea domain.
''Sulfolobus'' species grow in volcanic springs with optimal growth occurring at pH 2-3 and temperatures of 75-80 °C, making them ...
''
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
In taxonomy, the Thermococci are a class of microbes within the Euryarchaeota.See the NCBIbr>webpage on Thermococci Data extracted from the
They live in extremely hot environments, such as hydrothermal vents, and they have optimal growth t ...
Order "Methanofastidiosales"
* Family "Methanofastidiosaceae"
Rinke et al. 2020
** "''Candidatus''
Methanofastidiosum"
corrig. Nobu et al. 2016
Order
Thermococcales
In taxonomy, the Thermococcales are an order of microbes within the Thermococci. The species within the Thermococcales are used in laboratories as model organisms. All these species are strict anaerobes and can ferment sugars as sources of carbo ...
* Family
Thermococcaceae
In taxonomy, the Thermococcaceae are a family of the Thermococcales
In taxonomy, the Thermococcales are an order of microbes within the Thermococci. The species within the Thermococcales are used in laboratories as model organisms. All these s ...
Zillig et al. 1988
** ''
Palaeococcus''
Takai et al. 2000
** ''
Pyrococcus''
Fiala & Stetter 1986
** ''
Thermococcus''
Zillig 1983
Phylum Methanobacteriota_A
Class
Methanopyri
In alpha taxonomy, taxonomy, the Methanopyri are a class (biology), class of the Euryarchaeota.See the National Center for Biotechnology Information, NCBI]webpage on Methanopyri Data extracted from the
References
Further reading
Scientific ...
Order
Methanopyrales
In taxonomy, the Methanopyrales are an order of microbes within the class methanopyri.
It contains only one family, Methanopyraceae, one genus, Methanopyrus, and one species, Methanopyrus kandleri. This species is chemolithoautotrophic and its ...
* Family
Methanopyraceae
In alpha taxonomy, taxonomy, the Methanopyraceae are a family (biology), family of the Methanopyrales. This family contains only one genus, which contains only one species, ''Methanopyrus kandleri''. It is chemolitoautotrophic and its cells are b ...
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 or hyperthermophilic
A hyperthermophile is an organism that thri ...
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
...
*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
''Methanocaldococcus'' formerly known as ''Methanococcus'' is a genus of coccoid methanogen archaea. They are all mesophiles, except the thermophilic ''M. thermolithotrophicus'' and the hyperthermophilic ''M. jannaschii''. The latter was discov ...
''
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 genus ''Me ...
Balch & Wolfe 1981
** ''
Methanococcus''
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 a ...
''
Whitman 2002
Phylum " Hydrothermarchaeota"
Class "Hydrothermarchaeia"
Order "Hydrothermarchaeales"
* Family "Hydrothermarchaeaceae"
Chuvochina et al. 2019
** "''Candidatus''
Hydrothermarchaeum"
Chuvochina et al. 2019
Phylum " Methanobacteriota"
Class Methanobacteria
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 compositi ...
* 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 6 ...
''
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
In taxonomy, ''Methanobacterium'' is a genus of the Methanobacteriaceae family of Archaea.See the NCBIbr>webpage on Methanobacterium Data extracted from the Despite the name, this genus belongs not to the bacterial domain but the archaeal doma ...
''
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 basis ...
''
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. Since the 2011 local government reform it is part of the municipality Syros-Ermoupoli ...
"
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
In taxonomy, the Thermoplasmata are a class of the Euryarchaeota.
All are acidophiles, growing optimally at pH below 2. ''Picrophilus'' is currently the most acidophilic of all known organisms growing at a minimum pH of 0.06. Many of these org ...
* ?"''Candidatus''
Methanarcanum"
Chibani et al. 2022
* Family "Methanomixtatrophicaceae"
Hua et al. 2019
** ?"''Candidatus''
Methanomixtatrophicum"
Hua et al. 2019
* Family
Methanomassiliicoccaceae
In taxonomy, the Thermoplasmata are a class of the Euryarchaeota.
All are acidophiles, growing optimally at pH below 2. ''Picrophilus'' is currently the most acidophilic of all known organisms growing at a minimum pH of 0.06. Many of these org ...
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
In alpha taxonomy, taxonomy, the Thermoplasmatales are an order (biology), order of the Thermoplasmata. All are acidophiles, growing optimally at pH below 2. ''Picrophilus'' is currently the most acidophile, acidophilic of all known organisms, b ...
* Family
Thermoplasmataceae
In taxonomy, the Thermoplasmataceae are a family of the Thermoplasmatales. It contains only one genus, ''Thermoplasma''. All species within Thermoplasmataceae are thermoacidophiles, and they grow at a temperature of 60°C and pH 2. They were ...
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
''Ferroplasma'' is a genus of Archaea that belong to the family Ferroplasmaceae. Members of the ''Ferroplasma'' are typically acidophillic, pleomorphic, irregularly shaped cocci.
The archaean family Ferroplasmaceae was first described in the ea ...
''
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 gr ...
''
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. ...
''
Itoh, Yoshikawa & Takashina 2007
** ''
Thermoplasma
In taxonomy, ''Thermoplasma'' is a genus of the Thermoplasmataceae.See the NCBIbr>webpage on Thermoplasma Data extracted from the
''Thermoplasma'' is a genus of archaea. It belongs to the Thermoplasmata, which thrive in acidic and high-tempe ...
''
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'', ...
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'', ...
* 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
''Archaeoglobus'' is a genus of the phylum Euryarchaeota. ''Archaeoglobus'' can be found in high-temperature oil fields where they may contribute to oil field souring.
Metabolism
''Archaeoglobus'' grow anaerobically at extremely high temperat ...
''
Stetter 1988
** ''
Ferroglobus''
Hafenbradl et al. 1997
** ''
Geoglobus''
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.
Phylogeny
See also
* List of Archaea genera
This article lists the genera of the Archaea. The currently accepted taxonomy is based on the List of Prokaryo ...
''
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 ...
* 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
In taxonomy, the Methanosarcinaceae are a family of the Methanosarcinales.
Phylogeny
The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) and National Center for Biotechnology Information ...
Balch & Wolfe 1981
** ?''
Halomethanococcus
In taxonomy, the Methanosarcinaceae are a family of the Methanosarcinales.
Phylogeny
The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) and National Center for Biotechnology Information ...
''
Yu & Kawamura 1988
** ''
Methanimicrococcus
In taxonomy, ''Methanimicrococcus'' is a genus of the Methanosarcinaceae
In taxonomy, the Methanosarcinaceae are a family of the Methanosarcinales.
Phylogeny
The currently accepted taxonomy is based on the List of Prokaryotic names with Stand ...
''
corrig. Sprenger et al. 2000
** ''
Methanococcoides
In taxonomy, ''Methanococcoides'' is a genus of the Methanosarcinaceae.
''Methanococcoides'' species are methanogens entirely dependent on methylated compounds for nutrition. The type species
In zoological nomenclature, a type species (''spe ...
''
Sowers & Ferry 1985
** ''
Methanohalobium
In taxonomy, ''Methanohalobium'' is a genus of the Methanosarcinaceae. Its genome has been sequenced. The genus contains one species, ''M. evestigatum''.
The species are strictly anaerobic and live solely through the production of methane thro ...
''
Zhilina & Zavarzin 1988
** ''
Methanohalophilus''
Paterek & Smith 1988
** ''
Methanolobus
In taxonomy, ''Methanolobus'' is a genus of methanogenic archaea within the Methanosarcinaceae.See the NCBIbr>webpage on Methanolobus Data extracted from the These organisms are strictly anaerobes and live exclusively through the production ...
''
König & Stetter 1983
** ''
Methanomethylovorans
In taxonomy, ''Methanomethylovorans'' is a genus of microorganisms with the family Methanosarcinaceae. This genus was first described in 1999. The species within it generally live in freshwater environments, including rice paddies, freshwater sed ...
''
Lomans et al. 2004
** ''
Methanosalsum
In taxonomy, ''Methanosalsum'' is a genus of microbes within the family Methanosarcinaceae. This genus contains two species.
''Methanosalsum zhilinae'' was isolated from the saline and alkaline sediments of Wadi Natrun in Egypt and from Lake Mag ...
''
Boone & Baker 2002
** ''
Methanosarcina
''Methanosarcina'' is a genus of euryarchaeote 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 ...
''
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
List of Prokaryotic names with Stand ...
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 Zellner et al. 1989
** ''
Methanocalculus''
Ollivier et al. 1998
** ''
Methanocorpusculum''
Zellner et al. 1988
* Family "Methanofollaceae"
** ''
Methanofollis
In taxonomy, ''Methanofollis'' is a genus of the Methanomicrobiaceae.
Description and significance
''Methanofollis'' ("a methane-producing bag") is a non-motile, Gram-negative, obligately anaerobic, mesophilic archaeon that produces methane. I ...
''
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 ener ...
Boone et al. 2002
** ''
Methanospirillum
In taxonomy, ''Methanospirillum'' is a genus of microbes within the family Methanospirillaceae. All its species are methanogenic archaea. The cells are bar-shaped and form filaments. Most produce energy via the reduction of carbon dioxide with ...
''
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
''Methanoculleus'' is a genus of microbes within the family Methanomicrobiaceae. The species of the genus ''Methanoculleus'' live in marine environments brackish water, and are very common in bioreactors, landfills, and wastewater. Unlike other a ...
''
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 Info ...
Balch & Wolfe 1981
** ''
Methanogenium
''Methanogenium'' is a genus (biology), genus of archaeans in the family Methanomicrobiaceae. The type species is ''Methanogenium cariaci''.
Description and habitat
The species within ''Methanogenium'' are coccus, coccoid in shape and Gram-nega ...
''
Romesser et al. 1981
** ''
Methanolacinia
In taxonomy, ''Methanolacinia'' is a genus of the Methanomicrobiaceae. The cells are bar-shaped and irregular 0.6 μm in diameter and 1.5–2.5 μm in length. They do not form endospores. Most are non-motile, but some have a single flagellum ...
''
Zellner et al. 1990
** ''
Methanomicrobium''
Balch & Wolfe 1981
** ''
Methanoplanus
In taxonomy, ''Methanoplanus'' is a genus of the Methanomicrobiaceae, comprising three species of methanogenic, or methane-producing, archaea. The cells are irregular coccoid in shape, tend to stain Gram-negative
Gram-negative bacteria are ...
''
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
Haloarchaea (halophilic archaea, halophilic archaebacteria, halobacteria) are a class of the Euryarchaeota, found in water saturated or nearly saturated with salt. Halobacteria are now recognized as archaea rather than bacteria and are one of ...
Order
Halobacteriales
In taxonomy, the Halobacteriales are an order of the Halobacteria, found in water saturated or nearly saturated with salt. They are also called halophiles, though this name is also used for other organisms which live in somewhat less concentrated ...
* Halobacteriales incertae sedis
** "''
Haloalcalophilium''"
Lizama et al. 2000a
* Family "Halalkalicoccaceae"
** ''
Halalkalicoccus''
Xue et al. 2005
* Family "Haladaptaceae"
Rinke et al. 2020
** ''
Haladaptatus
''Haladaptatus'' (common abbreviation ''Hap.'') 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, ...
''
Savage et al. 2007
** ?''
Halomicrococcus''
Chen et al 2020
** ''
Halorussus''
Cui et al. 2014
* Family
Halobacteriaceae
** ''
Halanaeroarchaeum''
Sorokin et al. 2016
** ''
Halarchaeum''
Minegishi et al. 2010
** ''
Halobacterium''
Elazari-Volcani 1957
** ''
Halocalculus
''Halocalculus aciditolerans'' is a halophilic archaeon in the family of Halobacteriaceae and the only described species in the genus '' Halocalculus'' (common abbreviation ''Hcl.'').
References
Halobacteria
Monotypic archaea genera
Arch ...
''
Minegishi et al. 2015
** ''
Halodesulfurarchaeum''
Sorokin et al. 2017
** ''
Sala''
Song et al. 2022
** ''
Salarchaeum''
Shimane et al. 2011
* Family "Salinarchaeaceae"
** ''
Salinarchaeum''
Cui et al. 2014
* Family QS-9-68-17
** ''
Halostella''
Song et al. 2016
* Family "Natronoarchaeaceae"
Sorokin et al. 2022
** ?"''
Natranaeroarchaeum''"
Sorokin et al. 2021
** ''
Natronoarchaeum''
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''
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 (NL ...
''
Hezayen et al. 2002
** ''
Halopiger
''Halopiger'' is a genus of archaeans in the 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'' i ...
''
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
''Natrialbales'' is an order of halophilic, chemoorganotrophic archaea within the class Haloarchaea. The type genus of this order is ''Natrialba.''
The name ''Na ...
''
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 (hal ...
''
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, thriving at an optimum salin ...
''
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 ...
''
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 Nation ...
''
Itoh et al. 2005
** ''
Natronolimnohabitans
''Natronolimnohabitans'' is a genus of the Natrialbaceae. It has also been proposed that '' Haloterrigena turkmenica'' be considered a part of these genus.
Taxonomy
The type species of ''Natronolimnohabitans'', '' N. innermongolicus'', was origi ...
''
Sorokin et al. 2020
** ''
Natrinema
''Natrinema'' (common abbreviation ''Nnm.'') is a genus of the Natrialbaceae
''Natrialbales'' is an order of halophilic, chemoorganotrophic archaea within the class Haloarchaea. The type genus of this order is ''Natrialba.''
The name ''Natrial ...
''
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 Healt ...
''
Xu et al. 1999
** ''
Salinadaptatus''
Xue et al. 2020
** ''
Saliphagus''
Yin et al. 2017
* Family
Halococcaceae Gupta et al. 2016
** ''
Halococcus
''Halococcus'' (common abbreviation: ''Hcc.'') is a genus (biology), 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 o ...
''
Schoop 1935
* Family
Haloarculaceae
''Haloarculaceae'' is a family of halophilic and mostly chemoorganotrophic archaea within the order ''Halobacteriales''. The type genus of this family is ''Haloarcula.'' Its biochemical characteristics are the same as the order ''Halobacteriales. ...
** ''
Halapricum''
Song et al. 2014
** ''
Haloarcula
''Haloarcula'' (common abbreviation ''Har.'') is a genus of extreme halophilic Archaea in the class of Halobactaria.
Cell Structure
''Haloarcula'' species can be distinguished from other genera in the family Halobacteriaceae by the presence of ...
''
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
''Natronomonas'' (common abbreviation ''Nmn.'').
is a genus of the Halobacteriaceae.See the NCBIbr>webpage on Natronomonas Data extracted from the
Description and significance
''Natronomonas pharaonis'' is an aerobic, extremely haloalkalip ...
''
Kamekura et al. 1997
** ''
Salinibaculum''
Han & Cui 2020
** ?''
Salinirubellus''
Hou et al. 2018
** ''
Salinirussus''
Cui et al. 2017
* Family
Haloferacaceae
''Haloferacaceae'' is a family of halophilic, chemoorganotrophic or heterotrophic archaea within the order '' Haloferacales.'' The type genus of this family is ''Haloferax.'' Its biochemical characteristics are the same as the order '' Haloferaca ...
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
** ''
Halobellus''
Cui et al. 2011
** ?''
Halobium''
Mori et al. 2016
** ''
Haloferax
In taxonomy, ''Haloferax'' (common abbreviation: ''Hfx.'') is a genus of the Haloferacaceae.
Genetic exchange
Cells of ''H. mediterranei'' and cells of the related species '' H. volcanii'' can undergo a process of genetic exchange between two ...
''
Torreblanca et al. 1986
** ''
Halogeometricum
In taxonomy, ''Halogeometricum'' (common abbreviation: ''Hgm.'') 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 biologic ...
''
Montalvo-Rodriguez et al. 1998 (''
Halosarcina'')
** ''
Halogranum''
Cui et al. 2010
** ''
Halohasta
''Halohasta'' (common abbreviation ''Hht.'') is a genus of halophilic archaea in the family of Halorubraceae
''Halorubraceae'' is a family of halophilic, chemoorganotrophic or heterotrophic archaea within the order ''Haloferacales.'' The type g ...
''
Mou et al. 2013
** ''
Halolamina''
Cui et al. 2011
** ''
Halonotius
''Halonotius'' (common abbreviation ''Hns.'') is a genus of halophilic archaea in the family of Halorubraceae
''Halorubraceae'' is a family of halophilic, chemoorganotrophic or heterotrophic archaea within the order ''Haloferacales.'' The type ...
''
Burns et al. 2010
** ''
Haloparvum''
Chen et al. 2016
** ''
Halopelagius
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 membe ...
''
Cui et al. 2010
** ''
Halopenitus''
Amoozegar et al. 2012
** ''
Haloplanus''
Elevi Bardavid et al. 2007
** ''
Haloprofundus''
Zhang et al. 2017
** ''
Haloquadratum
''Haloquadratum'' (common abbreviation: ''Hqr.'') is a genus of archaean, belonging to the family Haloferacaceae. The first species to be identified in this group, ''Haloquadratum walsbyi'', is unusual in that its cells are shaped like square, ...
''
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''
corrig. Cui & Qiu 2014
** ''
Salinigranum''
Cui & Zhang 2014
See also
* Branching order of bacterial phyla (Woese, 1987)
* Branching order of bacterial phyla (Gupta, 2001)
* Branching order of bacterial phyla (Cavalier-Smith, 2002)
* Branching order of bacterial phyla (Rappe and Giovanoni, 2003)
* Branching order of bacterial phyla (Battistuzzi et al.,2004)
* Branching order of bacterial phyla (Ciccarelli et al., 2006)
* Branching order of bacterial phyla after ARB Silva Living Tree
* Branching order of bacterial phyla (Genome Taxonomy Database, 2018)
* Bacterial phyla
* List of bacteria genera
* List of bacterial orders
References
{{Archaea classification
Archaea genera,
Taxonomic lists (genera, taxonomic), Archaea