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The page features an illustration under the heading beta-proteobacteria with a legend-button saying Rickettsia leading to a page by the same name placing Rickettsia among alpha-proteobacteria. Ugly (and wrong). (talk) 12:09, 8 December 2011 (UTC)

You are right. Rickettsia is not a betaproteobacteria but an alphaproteobacteria. The image should be removed.--Miguelferig (talk) 17:08, 29 June 2012 (UTC)

The picture is still there. Siegele (talk) 15:34, 9 October 2012 (UTC)

Noticed it as well, please remove the picture.


Hey all! I removed the giant cladogram that was the phylogeny section and am moving it here because it seemed to be a bit impenetrable for a regular reader. If anyone disagrees or is interested in reworking it to make it more clear I'd be happy to talk about it! In the meantime, I slapped together a simplified diagram of the more important phylogenetic relationships and added it to the page. Suggestions are most welcome! Ajpolino (talk) 04:19, 24 May 2017 (UTC)

Extended content

The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature[1] and National Center for Biotechnology Information[2] and the phylogeny is based on 16S rRNA-based LTP release 106 by 'The All-Species Living Tree' Project [3]

?Aquamonas fontanaYokota & Ding 2003

?'Candidatus Accumulibacter phosphatis' Hesselmann et al. 1999

?'Candidatus Nitrotoga arctica' Alawi et al. 2007

?'Candidatus Procabacter acanthamoebae' Horn et al. 2002

?'Candidatus Tremblaya' Thao et al. 2002

?Denitrobacter permanensFrette et al. 1997

?Ferritrophicum radicicolaWeiss et al. 2007

?Ferrovum myxofaciensJohnson & Hallberg 2006

?Gallionellaceae (Iron Bacteria)

?Imtechium assamiensisSaha & Chakrabarti 2004

?KinetoplastibacteriumDu et al. 1994

?Proteinimicrobium ihbticaKasana 2007

?Ultramicrobacter hongkongensisFang et al. 2006


Rhodocyclaceae 2

Rhodocyclaceae 1

Rhodocyclaceae 3


Sulfuricella denitrificans Kojima and Fukui 2010


Thiobacter subterraneus Hirayama et al. 2005

Neisseriaceae [incl. Chitinimonas]

Spirillum Ehrenberg 1832 emend. Podkopaeva et al. 2009

Thiobacillus Beijerinck 1904


♠ Strains found at the National Center for Biotechnology Information (NCBI) but not listed in the List of Prokaryotic names with Standing in Nomenclature (LSPN)