Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 1990 [paraphyletic?]
             Superphylum Fibrobacteres-Chlorobi-Bacteroidetes (FCB) Gupta 2004
               Phylum Bacteroidetes Krieg et al. 2012
                 Class Sphingobacteriia Kämpfer 2012 [monotypic]
                   Order Sphingobacterialesᵀ Kämpfer 2012
                     Family Sphingobacteriaceaeᵀ Steyn et al. 1998
                       Genus Solitalea Weon et al. 2009
                       1.1 Genus Sphingobacteriumᵀ Yabuuchi et al. 1983
                       1.2 Genus Pedobacter Steyn et al. 1998
                       2 Genus Arcticibacter Prasad et al. 2013
                       3 Genus Mucilaginibacter Pankratov et al. 2007
                       4 Genus Nubsella Asker et al. 2008 [monotypic]
                       5 Genus Olivibacter Ntougias et al. 2007
                       6 Genus Parapedobacter Kim et al. 2007
                       7 Genus Pseudosphingobacterium Vaz-Moreira et al. 2007 [monotypic]