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 Bacteroidota Krieg et al. 2021
                 Class Cytophagia Nakagawa 2012 [monotypic]
                   Order Cytophagalesᵀ Leadbetter 1974 (Approved Lists 1980)
                     01 Genus Luteivirga Haber et al. 2013, incertae sedis [monotypic]
                     02 Genus "Taxeobacter" Reichenbach 1992 nom. inval., incertae sedis
                     03 Family Bernardetiaceae Hahnke et al. 2017
                     04 Family Catalinimonadaceae corrig. Choi et al. 2013
                     05 Family Cesiribacteraceae García-López et al. 2020
                     06 Family Cyclobacteriaceae Nedashkovskaya and Ludwig 2012
                     07 Family Cytophagaceaeᵀ Stanier 1940 (Approved Lists 1980)
                     08 Family Flammeovirgaceae Yoon et al. 2011
                     09 Family Flexibacteraceae García-López et al. 2020 [monotypic]
                     10 Family Fulvivirgaceae García-López et al. 2020
                     11 Family Hymenobacteraceae Munoz et al. 2016
                     12 Family Mangrovivirgaceae Sefrji et al. 2021 [monotypic]
                     13 Family Marivirgaceae García-López et al. 2020 [monotypic]
                     14 Family Microscillaceae Hahnke et al. 2017
                     15 Family Mooreiaceae Choi et al. 2013 [monotypic]
                     16 Family Persicobacteraceae Munoz et al. 2016
                     17 Family Raineyaceae Albuquerque et al. 2018 [monotypic]
                     18 Family Reichenbachiellaceae García-López et al. 2020
                     19 Family Rhodocytophagaceae Zhang et al. 2024
                     20 Family Roseivirgaceae García-López et al. 2020 [monotypic]
                     21 Family Shiellaceae Liu et al. 2023 [monotypic]
                     22 Family Spirosomataceae corrig. Larkin and Borrall 1978 (Approved Lists 1980)
                     23 Family Splendidivirgaceae Li et al. 2024
                     24 Family Thermoflexibacteraceae García-López et al. 2020
                     25 Family Thermonemataceae Munoz et al. 2016 [monotypic]
                     26 Family "Peijinzhouiaceae" Zhang et al. 2025 nom. inval. [monotypic]