prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 Domain "Bacteria" Woese et al. 1990 Phylum "Fusobacteria" Garrity and Holt 2012 [monotypic] Class Fusobacteriia Staley and Whitman 2012 [monotypic] Order Fusobacteriales Staley and Whitman 2012 Family Fusobacteriaceae Staley and Whitman 2012 Genus Psychrilyobacter Zhao et al. 2009