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 Pseudomonadalesᵀ Orla-Jensen 1921 (Approved Lists 1980)
                     Family Moraxellaceae Rossau et al. 1991
                       01 Genus Acinetobacter Brisou and Prévot 1954 (Approved Lists 1980)
                       02 Genus Agitococcus Franzmann and Skerman 1981 [monotypic]
                       03 Genus Alkanindiges Bogan et al. 2003 [monotypic]
                       04 Genus Amnimonas Lee et al. 2021
                       05 Genus Aquirhabdus Kim et al. 2020
                       06 Genus Cavicella França et al. 2015
                       07 Genus Enhydrobacter Staley et al. 1987 [monotypic]
                       08 Genus Faucicola Humphreys et al. 2015
                       09 Genus Fluviicoccus Kim et al. 2016
                       10 Genus Hubeiibacter Xiao et al. 2026
                       11 Genus Moraxellaᵀ Lwoff 1939 nom. cons. (Approved Lists 1980)
                       12 Genus Paraperlucidibaca Oh et al. 2011
                       13 Genus Perlucidibaca Song et al. 2008 [monotypic]
                       14 Genus Psychrobacter Juni and Heym 1986
                       15 Genus "Nasibacterium" Li et al. 2025 nom. inval.