Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 2024
             Kingdom Pseudomonadati (Gibbons and Murray 1978) Oren and Göker 2024
               Phylum Bacteroidota Krieg et al. 2021
                 Class Sphingobacteriia Kämpfer 2012 [monotypic]
                   Order Sphingobacterialesᵀ Kämpfer 2012
                     Family Sphingobacteriaceaeᵀ Steyn et al. 1998
                       01 Genus Albibacterium García-López et al. 2020
                       02 Genus Anseongella Siddiqi et al. 2016
                       03 Genus Arcticibacter Prasad et al. 2013
                       04 Genus Daejeonella García-López et al. 2020
                       05 Genus Desertivirga Li et al. 2024
                       06 Genus Hufsiella Kang et al. 2023
                       07 Genus Mucilaginibacter Pankratov et al. 2007
                       08 Genus Olivibacter Ntougias et al. 2007
                       09 Genus Parapedobacter Kim et al. 2007
                       10 Genus Pararcticibacter Cai et al. 2020
                       11 Genus Pedobacter Steyn et al. 1998
                       12 Genus Pelobium Xia et al. 2016
                       13 Genus Rhinopithecimicrobium Wang et al. 2024
                       14 Genus Pseudopedobacter Cao et al. 2014
                       15 Genus Rubrilithobacter corrig. Lian et al. 2025
                       16 Genus Solitalea Weon et al. 2009
                       17 Genus Sphingobacteriumᵀ Yabuuchi et al. 1983
                       18 Genus "Hevizibacter" San Miguel et al. 2014 nom. inval.