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#REDIRECT [[Negativicutes]] {{R from merge}}.
{{Taxobox
| color = lightgrey
| name = Clostridiaceae
| regnum = [[Bacterium|Bacteria]]
| divisio = [[Firmicutes]]
| classis = [[Clostridia]]
| ordo = [[Clostridia]]les
| familia = '''Veillonellaceae'''
| familia_authority = Rogosa, 1971
| subdivision_ranks = Genera
| subdivision =
''[[Acetonema]]'' <br>
''[[Acidaminococcus]]'' <br>
''[[Allisonella]]'' <br>
''[[Anaeroarcus]]'' <br>
''[[Anaeroglobus]]'' <br>
''[[Anaeromusa]]'' <br>
''[[Anaerosinus]]'' <br>
''[[Anaerospora]]'' <br>
''[[Anaerovibrio]]'' <br>
''[[Centipeda]]'' <br>
''[[Dendrosporobacter]]'' <br>
''[[Desulfosporomusa]]'' <br>
''[[Dialister]]'' <br>
''[[Megamonas]]'' <br>
''[[Megasphaera]]'' <br>
''[[Mitsuokella]]'' <br>
''[[Pectinatus]]'' <br>
''[[Pelosinus]]'' <br>
''[[Phascolarctobacterium]]'' <br>
''[[Propionispira]]'' <br>
''[[Propionispora]]'' <br>
''[[Psychrosinus]]'' <br>
''[[Quinella (bacterium)|Quinella]]'' <br>
''[[Schwartzia]]'' <br>
''[[Selenomonas]]'' <br>
''[[Sporomusa]]'' <br>
''[[Sporotalea]]'' <br>
''[[Succiniclasticum]]'' <br>
''[[Succinispira]]'' <br>
''[[Thermosinus]]'' <br>
''[[Veillonella]]'' <br>
''[[Zymophilus]]'' }}
The '''Veillonellaceae''' are a family of the [[Clostridia]], formerly known as Acidaminococcaceae. [[bacterium|Bacteria]] in this family are grouped together mainly based on genetic studies, which place them among the [[Firmicutes]]. Supporting this placement, several species are capable of forming [[endospore]]s. However, they differ from most other Firmicutes in having [[Gram-negative]] stains. The [[cell wall]] composition is peculiar.

Members of this family are all obligate [[anaerobe]]s, and occur in habitats such as rivers, lakes, and the intestines of vertebrates. They range from spherical forms, such as ''Megasphaera'' and ''[[Veillonella]]'', to curved rods, as typified by the [[Selenomonad]]s. ''[[Selenomonas]]'' has a characteristic crescent-shape, with flagella inserted on the concave side, while ''Sporomusa'' is similar but non-motile. Their names refer to this distinctive morphology: ''[[selene]]'' means moon, and ''musa'' means [[banana]].

The name [[Selenobacteria]] also refers to some this group.

The description of this family was [[Bacterial taxonomy|emended]] in 2010 and, together with the ''[[Acidaminococcaceae]]'' ([[Bacterial taxonomy|familia nova]], which means a newly coined taxa), it was placed in the order ''[[Selenomonadales]]'' (ordo novus) in the class ''[[Negativicutes]]'' (classis novus) of the phylum Firmicutes.<ref>{{cite pmid|19667386}}</ref>

== References ==
<references />

[[Category:Clostridia]]
[[Category:Veillonellaceae|*]]


{{bacteria-stub}}

Revision as of 12:41, 1 December 2011

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