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 Enterobacterales Adeolu et al. 2016
                     1 Genus "Candidatus Symbiodolus" Wierz et al. 2024 nom. pro-inval., incertae sedis
                     2 Family Budviciaceae Adeolu et al. 2016
                     3 Family Enterobacteriaceaeᵀ Rahn 1937 nom. cons. (Approved Lists 1980)
                     4 Family Erwiniaceae Adeolu et al. 2016
                     5 Family Gallaecimonadaceae Chuvochina et al. 2024 [monotypic]
                     6 Family Hafniaceae Adeolu et al. 2016
                     7 Family Morganellaceae Adeolu et al. 2016
                     8 Family Pectobacteriaceae Adeolu et al. 2016
                     9 Family Yersiniaceae Adeolu et al. 2016