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 Propionibacterineae Rainey et al. 1997 Family Propionibacteriaceae Delwiche 1957 (Approved Lists 1980) Genus Propioniciclava Sugawara et al. 2011