Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] 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 "Alphaproteobacteria" Garrity et al., 2006 [monotypic]
                 Class Alphaproteobacteriaᵀ Garrity et al. 2006
                   Order Caulobacterales Henrici and Johnson 1935 (Approved Lists 1980)
                     Family Hyphomonadaceae Lee et al. 2005
                       01 Genus Hyphomonasᵀ (ex Pongratz 1957) Moore et al. 1984
                       02 Genus Glycocaulis Abraham et al. 2013
                       03 Genus Henriciella Quan et al. 2009
                       04 Genus Hirschia Schlesner et al. 1990
                       05 Genus Maricaulis Abraham et al. 1999
                       06 Genus Marinicauda Zhang et al. 2013 [monotypic]
                       07 Genus Oceanicaulis Strömpl et al. 2003
                       08 Genus Ponticaulis Kang and Lee 2009 [monotypic]
                       09.1 Genus Robiginitomaculum Lee et al. 2007 [monotypic]
                       09.2 Genus Algimonas Fukui et al. 2013
                       09.3 Genus Fretibacter Cho et al. 2013 [monotypic]
                       09.4 Genus Hellea Alain et al. 2008 [monotypic]
                       09.5 Genus Litorimonas Jung et al. 2011 [monotypic]
                       10 Genus Woodsholea Abraham et al. 2004