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
                   01 Genus Acidibacter Falagán and Johnson 2017, incertae sedis
                   02 Genus Alkalimonas Ma et al. 2007, incertae sedis
                   03 Genus Arsukibacterium Schmidt et al. 2016, incertae sedis
                   04 Genus Litorivivens Park et al. 2015, incertae sedis
                   05 Genus Marinagarivorans Guo et al. 2016, incertae sedis
                   06 Genus Marinibactrum Nishijima et al. 2015, incertae sedis
                   07 Genus "Amorphomonas" "Yousuf et al. 2014" nom. inval., incertae sedis
                   08 Genus "Haererehalobacter" "Copeland et al. 2011" nom. inval., incertae sedis
                   09 Genus "Thiosocius" Altamia et al. 2019 nom. inval., incertae sedis
                   10 Genus "Candidatus Adiacens" corrig. Darby et al. 2020, incertae sedis [monotypic]
                   11 Genus "Candidatus Annandiella" corrig. von Dohlen et al. 2022, incertae sedis
                   12 Genus "Candidatus Arocatia" Kuechler et al. 2022, incertae sedis
                   13 Genus "Candidatus Aschnera" Hosokawa et al. 2020, incertae sedis
                   14 Genus "Candidatus Carsonella" Thao et al. 2020, incertae sedis
                   15 Genus "Candidatus Cavanaughia" Russell et al. 2022, incertae sedis
                   16 Genus "Candidatus Consessor" corrig. Darby et al. 2020, incertae sedis
                   17 Genus "Candidatus Curculioniphilus" Toju et al. 2020, incertae sedis
                   18 Genus "Candidatus Doolittlea" Husnik and McCutcheon 2020, incertae sedis
                   19 Genus "Candidatus Ecksteinia" Toenshoff et al. 2020, incertae sedis
                   20 Genus "Candidatus Endecteinascidia" corrig. Moss et al. 2020, incertae sedis
                   21 Genus "Candidatus Endonucleibacter" corrig. Zielinski et al. 2020, incertae sedis
                   22 Genus "Candidatus Gillettellia" Toenshoff et al. 2020, incertae sedis
                   23 Genus "Candidatus Gullanella" Husnik and McCutcheon 2020, incertae sedis
                   24 Genus "Candidatus Hoaglandella" Husnik and McCutcheon 2020, incertae sedis
                   25 Genus "Candidatus Ischnodemia" Kuechler et al. 2022, incertae sedis
                   26 Genus "Candidatus Ishikawella" corrig. Hosokawa et al. 2020, incertae sedis
                   27 Genus "Candidatus Kentrum" corrig. Seah et al. 2020, incertae sedis
                   28 Genus "Candidatus Kleidoceria" Küchler et al. 2020, incertae sedis
                   29 Genus "Candidatus Kotejella" Michalik et al. 2020, incertae sedis
                   30 Genus "Candidatus Macondimonas" Karthikeyan et al. 2021, incertae sedis
                   31 Genus "Candidatus Mikella" Husnik and McCutcheon 2020, incertae sedis
                   32 Genus "Candidatus Nardonella" Lefèvre et al. 2020, incertae sedis
                   33 Genus "Candidatus Navoides" corrig. Schuster and Bright 2020, incertae sedis
                   34 Genus "Candidatus Ovatibacter" corrig. Dirren and Posch 2020, incertae sedis
                   35 Genus "Candidatus Palibaumannia" corrig. Moran et al. 2020, incertae sedis
                   36 Genus "Candidatus Parastrichiiphilus" "corrig." Hosokawa et al. 2020, incertae sedis
                   37 Genus "Candidatus Puchtella" Fukatsu et al. 2020, incertae sedis
                   38 Genus "Candidatus Purcelliella" Bressan et al. 2020, incertae sedis
                   39 Genus "Candidatus Reidiella" Russell et al. 2022, incertae sedis
                   40 Genus "Candidatus Rosenkranzia" Kikuchi et al. 2020, incertae sedis
                   41 Genus "Candidatus Schneideriella" corrig. Matsuura et al. 2020, incertae sedis
                   42 Genus "Candidatus Steffania" Toenshoff et al. 2020, incertae sedis
                   43 Genus "Candidatus Tachikawaea" Kaiwa et al. 2020, incertae sedis
                   44 Genus "Candidatus Theodorhartigia" corrig. Toenshoff et al. 2022, incertae sedis
                   45 Genus "Candidatus Thiobius" corrig. Rinke et al. 2020, incertae sedis
                   46 Genus "Candidatus Thiosymbium" corrig. Zimmermann et al. 2020, incertae sedis
                   47 Genus "Candidatus Typhincola" corrig. Kuechler et al. 2020, incertae sedis
                   48 Genus "Candidatus Yamatotia" Wangkeeree et al. 2021, incertae sedis
                   49 Genus "Candidatus Fusimicrobium" Kendlbacher et al. 2024 nom. pro-inval., incertae sedis
                   50 Genus "Candidatus Mirabilia" Dittmer et al. 2025 nom. pro-inval., incertae sedis
                   51 Genus "Candidatus Thiopontia" van Vliet et al. 2021 nom. pro-inval., incertae sedis
                   52 Family Thorselliaceae Kämpfer et al. 2015, incertae sedis
                   53 Family "Candidatus Oxydemutatoraceae" Nguyen et al. 2023 nom. pro-inval., incertae sedis [monotypic]
                   54 Family "Candidatus Pseudothioglobaceae" Chuvochina et al. 2023 nom. pro-inval., incertae sedis
                   55 Order Acidiferrobacterales Kojima et al. 2015 [monotypic]
                   56 Order Aeromonadales Martin-Carnahan and Joseph 2005
                   57 Order Alteromonadales Bowman and McMeekin 2005
                   58 Order Arenicellales Teramoto et al. 2015
                   59 Order Beggiatoales Buchanan 1957 (Approved Lists 1980)
                   60 Order Cardiobacteriales Garrity et al. 2005
                   61 Order Cellvibrionales Spring et al. 2015
                   62 Order Chromatiales Imhoff 2005
                   63 Order Enterobacterales Adeolu et al. 2016
                   64 Order Immundisolibacterales Corteselli et al. 2017 [monotypic]
                   65 Order Legionellales Garrity et al. 2005
                   66 Order Lysobacterales Christensen and Cook 1978 (Approved Lists 1980)
                   67 Order Methylococcales Bowman 2005
                   68 Order Nevskiales Naushad et al. 2015
                   69 Order Oceanospirillales Garrity et al. 2005
                   70 Order Orbales Kwong and Moran 2013
                   71 Order Pasteurellales Garrity et al. 2005
                   72 Order Pseudomonadalesᵀ Orla-Jensen 1921 (Approved Lists 1980)
                   73 Order Thiohalobacterales Sorokin and Merkel 2023 [monotypic]
                   74 Order Thiohalorhabdales Sorokin and Merkel 2023 [monotypic]
                   75 Order "Magnimaribacterales" Ramfelt et al. 2024 nom. inval. [monotypic]
                   76 Order "Vibrionales" "Garrity and Holt 2001" nom. nud. [monotypic]
                   77 Order "Candidatus Azoamicales" Speth et al. 2024 nom. pro-inval. [monotypic]
                   78 Order "Candidatus Comchoanobacterales" Needham et al. 2022 nom. pro-inval. [monotypic]
                   79 Order "Candidatus Competibacterales" Chuvochina et al. 2023 nom. pro-inval. [monotypic]
                   80 Order "Candidatus Eutrophobiales" Prabhu et al. 2024 nom. pro-inval. [monotypic]
                   81 Order "Candidatus Foliamicales" Nguyen et al. 2023 nom. pro-inval. [monotypic]
                   82 Order "Candidatus Johnevansiales" Chuvochina et al. 2023 nom. pro-inval. [monotypic]
                   83 Order "Candidatus Porifericomitales" Nguyen et al. 2023 nom. pro-inval. [monotypic]
                   84 Order "Candidatus Rariloculales" Nguyen et al. 2023 nom. pro-inval. [monotypic]
                   85 Order "Candidatus Siderophilales" corrig. Corbera-Rubio et al. 2024 nom. nud. [monotypic]
                   86 Order "Candidatus Spongiifermentales" Nguyen et al. 2023 nom. pro-inval. [monotypic]
                   87 Order "Candidatus Tethybacterales" Taylor et al. 2021 nom. nud. [monotypic]