Halanaerobiales

Halanaerobiales
Scientific classification
Kingdom:	Bacteria
Phylum:	Firmicutes
Class:	Clostridia Rainey 2010
Order:	Halanaerobiales Rainey and Zhilina 1995
Families & Genera
Halanaerobiaceae Oren et al. 1984 Halarsenatibacter Switzer Blum et al. 2010 Halothermothrix orenii Cayol et al. 1994 Halocella Simankova et al. 1994 Halanaerobium Zeikus et al. 1984 Halobacteroidaceae Zhilina and Rainey 1995 Acetohalobium Zhilina and Zavarzin 1990 Halanaerobacter Liaw and Mah 1996 emend. Mouné et al. 1999 Halanaerobaculum Hedi et al. 2009 Halobacteroides Oren et al. 1984 Halonatronum Zhilina et al. 2001 Natroniella Zhilina et al. 1996 Orenia Rainey and Stackebrandt 1995 Selenihalanaerobacter Switzer Blum et al. 2001 Sporohalobacter Oren et al. 1988

The Halanaerobiales are an order of bacteria placed within the class Clostridia, and encompassing two families, the Halanaerobiaceae and the Halobacteroidaceae. Originally placed within the highly polyphyletic class Clostridia, according to the NCBI and LPSN, it is now thought to lie outside the Firmicutes. Halanaerobiales are halophilic obligate anaerobes with a fermentative or homoacetogenic metabolism.

The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) and National Center for Biotechnology Information (NCBI) and the phylogeny is based on 16S rRNA-based LTP release 106 by The All-Species Living Tree Project.

Halarsenatibacter silvermanii Switzer Blum et al. 2010

Halothermothrix orenii Cayol et al. 1994

Halocella cellulosilytica Simankova et al. 1994

?H. alcaliphilum Tsai et al. 1995

?H. hydrogeniformans ♠ Brown et al. 2011

H. salsuginis Bhupathiraju et al. 1994

H. fermentans Kobayashi et al. 2000

H. lacusrosei Cayol et al. 1995

H. acetethylicum (Rengpipat et al. 1989) Rainey et al. 1995

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