prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 Domain "Bacteria" Woese et al. 1990 Phylum "Actinobacteria" Garrity and Holt 2001 Class Actinobacteria Stackebrandt et al. 1997 Order Micrococcales Prévot 1940 (Approved Lists 1980) Family Ruaniaceae Tang et al. 2010 Genus Haloactinobacterium Tang et al. 2010