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 Actinomycetales Buchanan 1917 (Approved Lists 1980) Suborder Actinomycineae Stackebrandt et al. 1997 [monotypic] Family Actinomycetaceae Buchanan 1918 (Approved Lists 1980) Genus Actinomyces Harz 1877 (Approved Lists 1980)