The Taxonomicon
Entity by Scientific Name
Entity by Epithet
Entity by Identifier
Entity by Common Name
Taxon by Scientific Name (above family group)
Taxon by Scientific Name (family group)
Taxon by Scientific Name (genus group)
Taxon by Scientific Name (species group)
Taxon by Scientific Name (below species group)
Taxon by Authorship
Object by Name
Object by Number
Phenomenon by Name
Homonym
Topic
Person by Last Name / Standard Form
Organization by Name / Abbreviation
Reference by Year
Reference by Title
Home
Site map
|
Contact
Taxon:
Class
Alphaproteobacteria
Garrity
et al.
2006
(prokaryote)
Taxa
Advanced Search
Entity
Show Invalid Names
Show Alternatives
Bookmarks
Set Bookmark
Go to Bookmark
Hierarchy
Nomenclature
Taxonomy
Properties
Relationships
Bibliography
Links
Entity:
Pseudomonadota (Phylum)
..Acidithiobacillia (Class)
..Betaproteobacteria (Class)
..Deltaproteobacteria (Class)
..Epsilonproteobacteria (Class)
..Gammaproteobacteria (Class)
..Hydrogenophilia (Class)
..Oligoflexia (Class)
..Alphaproteobacteria (Class)
....Anoxypelagibacter (Candidatus)
....Catenimonas (Candidatus)
....Caulobacterales (Order)
....Charonomicrobium (Genus)
....Combothrix (Candidatus)
....Emcibacterales (Order)
....Endolissoclinum (Candidatus)
....Endowatersipora (Candidatus)
....Enterousia (Candidatus)
....Futianiales (Order)
....Hodgkinia (Candidatus)
....Holosporales (Order)
....Hyphomicrobiales (Order)
....Iodidimonadales (Order)
....Kordiimonadales (Order)
....Magnetococcales (Order)
....Marinosulfonomonas (Genus)
....Mariprofundales (Order)
....Mesopelagibacter (Candidatus)
....Methylosporovibrio (Genus)
....Methylosulfonomonas (Genus)
....Micropelagius (Candidatus)
....Micropepsales (Order)
....Minwuiales (Order)
....Monilibacter (Candidatus)
....Nanobacterium (Genus)
....Parvularculales (Order)
....Pelagibacterales (Candidate order)
....Phycosocius (Candidatus)
....Puniceispirillales (Candidate order)
....Radicibacterales (Order)
....Rhodobacterales (Order)
....Rhodospirillales (Order)
....Rhodothalassiales (Order)
....Rickettsiales (Order)
....Roseivibrio (Candidatus)
....Scatocola (Candidatus)
....Sneathiellales (Order)
....Sphingomonadales (Order)
....Tetracoccus (Genus)
Concise hierarchy
(Kingdom)
Pseudomonadati
-
(Phylum)
Pseudomonadota
Current position
Pseudomonadota
(Phylum)
Garrity
et al.
2021
Ref:
LPSN, 2020-present
: [17 Apr 2026]; LPSN[17 Apr 2026].
Alternative positions
Proteobacteria
(Phylum)
Garrity
et al.
2005 stat. inval.
Ref:
J.P. Euzéby, 2016
: [31 Aug 2017] [Hug et al., 2016: fig. 1].
Historical positions
Proteobacteria
(Phylum)
Garrity
et al.
2005 stat. inval.
Ref:
J.P. Euzéby, 2016
: [31 Aug 2017].
Bacteria
(Domain)
Woese
et al.
1990 stat. inval.
Ref:
L.A. Hug et al., 2016
: fig. 1; 4.
[rough position]
Proteobacteria
(Phylum)
Garrity
et al.
2005 stat. inval.
Ref:
M.A. Ruggiero et al., 2015b
: table 2 (p. 5).
Proteobacteria
(Phylum)
Garrity
et al.
2005 stat. inval.
Ref:
G.M. Garrity et al., 2007
: 52.
Number of Subtaxa
2026
Available in Systema Naturae 2000
21o;94f;774g;1142s;25ss
1989-present
Systema Naturae 2000
: 25 Apr 2026
[21o;94f;774g]
2016
J.P. Euzéby
: [11 Sep 2017]
[11o;30f;390g]
2015b
M.A. Ruggiero et al.
: table 2 (p. 5)
[11o]
2007
G.M. Garrity et al.
[8o;21f;197g;629s;23ss]
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026