Procaryotic Genera Domain "Bacteria" Woese et al. 1990 Phylum Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980) Class "Clostridia" Garrity et al. 2001 nom. ined. see Class Clostridia Rainey 2010 Order Haloanaerobiales Rainey and Zhilina 1995 see Order Halanaerobiales corrig. Rainey and Zhilina 1995 Family Halobacteroidaceae Zhilina and Rainey 1995 1 Genus Halobacteroides Oren et al. 1984 2 Genus Acetohalobium Zhilina and Zavarzin 1990 3 Genus Haloanaerobacter see Genus Halanaerobacter corrig. Liaw and Mah 1996 4 Genus Orenia Rainey and Stackebrandt 1995 5 Genus Sporohalobacter Oren et al. 1988