prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 Domain "Archaea" Woese et al. 1990 Phylum "Euryarchaeota" Garrity and Holt 2001 Class Halobacteria Grant et al. 2002 Order Natrialbales Gupta et al. 2015 [monotypic] Family Natrialbaceae Gupta et al. 2015 Genus Natrinema McGenity et al. 1998