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 Fusobacteriati Battistuzzi and Hedges 2024 [monotypic]
               Phylum Fusobacteriotaᵀ Garrity and Holt 2021 [monotypic]
                 Class Fusobacteriiaᵀ Staley and Whitman 2012 [monotypic]
                   Order Fusobacterialesᵀ Staley and Whitman 2012
                     Family Leptotrichiaceae Staley and Whitman 2012
                       1 Genus Caviibacter Eisenberg et al. 2016
                       2 Genus Leptotrichiaᵀ Trevisan 1879 (Approved Lists 1980) nom. cons.
                       3 Genus Oceanivirga Eisenberg et al. 2016
                       4 Genus Pseudoleptotrichia Eisenberg et al. 2020
                       5 Genus Sebaldella Collins and Shah 1986 [monotypic]
                       6 Genus Sneathia Collins et al. 2002 [monotypic]
                       7 Genus Streptobacillus Levaditi et al. 1925 (Approved Lists 1980) [monotypic]