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 Pseudomonadotaᵀ Garrity et al. 2021
                 Class Gammaproteobacteriaᵀ Garrity et al. 2005
                   Order Cellvibrionales Spring et al. 2015
                     1 Family Cellvibrionaceaeᵀ Spring et al. 2015
                     2 Family Halieaceae Spring et al. 2015
                     3 Family Microbulbiferaceae Spring et al. 2015
                     4 Family Porticoccaceae Spring et al. 2015 [monotypic]
                     5 Family Spongiibacteraceae Spring et al. 2015