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 Betaproteobacteria Garrity et al. 2006
                   Order Neisseriales Tønjum 2006
                     1 Family Aquaspirillaceae Chen et al. 2022
                     2 Family Chitinibacteraceae Chen et al. 2022
                     3 Family Chromobacteriaceae Adeolu and Gupta 2013
                     4 Family Leeiaceae Chen et al. 2022 [monotypic]
                     5 Family Neisseriaceaeᵀ Prévot 1933 (Approved Lists 1980)