prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 Domain "Bacteria" Woese et al. 1990 Phylum "Bacteroidetes" Krieg et al. 2012 Class Sphingobacteriia Kämpfer 2012 [monotypic] Order Sphingobacteriales Kämpfer 2012 Family Sphingobacteriaceae Steyn et al. 1998 1 Genus Arcticibacter Prasad et al. 2013 2 Genus Mucilaginibacter Pankratov et al. 2007 3 Genus Nubsella Asker et al. 2008 4 Genus Olivibacter Ntougias et al. 2007 5 Genus Parapedobacter Kim et al. 2007 6 Genus Pedobacter Steyn et al. 1998 7 Genus Pseudosphingobacterium Vaz-Moreira et al. 2007 8 Genus Solitalea Weon et al. 2009 9 Genus Sphingobacterium Yabuuchi et al. 1983