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The "Aigarchaeota" are a proposed
archaea Archaea ( ) is a Domain (biology), domain of organisms. Traditionally, Archaea only included its Prokaryote, prokaryotic members, but this has since been found to be paraphyletic, as eukaryotes are known to have evolved from archaea. Even thou ...
l phylum of which the main representative is '' Caldiarchaeum subterraneum''.. It is not yet clear if this represents a new phylum or a
Nitrososphaerota 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 Thermopr ...
order, since the genome of ''Caldiarchaeum subterraneum'' encodes several Nitrososphaerota-like features. The name "''Aigarchaeota''" comes from the
Greek Greek may refer to: Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group *Greek language, a branch of the Indo-European language family **Proto-Greek language, the assumed last common ancestor of all kno ...
, ''avgí'', meaning "dawn" or "aurora", for the intermediate features of hyperthermophilic and mesophilic life during the evolution of its lineage.


Taxonomy

* Family "Caldarchaeales" corrig. Rinke et al. 2020 Aigarchaeales"** Family "Calditenuaceae" Balbay et al. 2023 *** Genus "''Candidatus'' Calditenuis" Beam et al. 2016 **** "''Ca.'' C. aerorheumatis" corrig. Beam et al. 2016 **** "''Ca.'' C. fumarioli" Balbay et al. 2023 ** Family "Caldarchaeaceae" Rinke et al. 2020 *** Genus "''Candidatus'' Caldarchaeum" corrig. Nunoura et al. 2011 **** "''Ca.'' C. subterraneum" corrig. Nunoura et al. 2011 *** Genus "''Candidatus'' Pelearchaeum" Balbay et al. 2023 **** "''Ca.'' P. maunauluense" Balbay et al. 2023 ** Family "Wolframiiraptoraceae" Buessecker et al. 2022 *** Genus "''Candidatus'' Benthortus" Buessecker et al. 2022 **** "''Ca.'' B. lauensis" Buessecker et al. 2022 *** Genus "''Candidatus'' Geocrenenecus" Buessecker et al. 2022 **** "''Ca.'' G. arthurdayi" Buessecker et al. 2022 **** "''Ca.'' G. dongiae" Buessecker et al. 2022 **** "''Ca.'' G. huangii" Buessecker et al. 2022 *** Genus "''Candidatus'' Terraquivivens" Buessecker et al. 2022 **** "''Ca.'' T. ruidianensis" Buessecker et al. 2022 **** "''Ca.'' T. tengchongensis" Buessecker et al. 2022 **** "''Ca.'' T. tikiterensis" Buessecker et al. 2022 **** "''Ca.'' T. yellowstonensis" Buessecker et al. 2022 *** Genus "''Candidatus'' Wolframiiraptor" Buessecker et al. 2022 **** "''Ca.'' W. allenii" Buessecker et al. 2022 **** "''Ca.'' W. gerlachensis" Buessecker et al. 2022 **** "''Ca.'' W. sinensis" Buessecker et al. 2022


See also

*
List of Archaea genera This article lists the genera of the Archaea. The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) and National Center for Biotechnology Information (NCBI). However, in the List provided bel ...


References


Further reading

* * * Archaea phyla {{Archaea-stub