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 Rhizobiales Kuykendall 2006
                     Family Xanthobacteraceae Lee et al. 2005
                       Genus Labrys Vasilyeva and Semenov 1985
                         1 Labrys methylaminiphilus Miller et al. 2005
                         2 Labrys miyagiensis Islam et al. 2007
                         3 Labrys monachusᵀ corrig. Vasilyeva and Semenov 1985
                         4 Labrys neptuniae Chou et al. 2007
                         5 Labrys okinawensis Islam et al. 2007
                         6 Labrys portucalensis Carvalho et al. 2008
                         7 Labrys wisconsinensis Albert et al. 2010