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. 1990 [paraphyletic?]
             Superphylum "Proteobacteria" Craig et al. 2010
               Phylum "Betaproteobacteria" Garrity et al., 2006 [monotypic]
                 Class Betaproteobacteriaᵀ Garrity et al. 2006
                   Order Burkholderiales Garrity et al. 2006
                     Genus Leptothrix Kützing 1843 (Approved Lists 1980), incertae sedis
                       Leptothrix cholodnii Mulder and van Veen 1963 (Approved Lists 1980)
                       Leptothrix lopholea Dorff 1934 (Approved Lists 1980)
                       Leptothrix mobilis Spring et al. 1997
                       Leptothrix ochraceaᵀ (Roth 1797) Kützing 1843 (Approved Lists 1980)
                       Leptothrix discophora (ex Schwers 1912) Spring et al. 1997