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)
                     Family Flammeovirgaceae Yoon et al. 2011
                       01 Genus Chondrinema Muhammad et al. 2023
                       02 Genus Flammeovirgaᵀ Nakagawa et al. 1997
                       03 Genus Flexithrix Lewin 1970 (Approved Lists 1980) [monotypic]
                       04 Genus Imperialibacter Wang et al. 2013 [monotypic]
                       05 Genus Limibacter Yoon et al. 2008 [monotypic]
                       06 Genus Perexilibacter Yoon et al. 2007 [monotypic]
                       07 Genus Rapidithrix Srisukchayakul et al. 2007 [monotypic]
                       08 Genus Sediminitomix Khan et al. 2007 [monotypic]
                       09 Genus Tunicatimonas Yoon et al. 2016
                       10 Genus Xanthovirga Goldberg et al. 2020
                       11 Genus "Algivirga" Kim et al. 2013 nom. inval.
                       12 Genus "Marinigracilibium" Jiang et al. 2023 nom. inval.
                       13 Genus "Porifericola" Yoon et al. 2011 nom. inval.