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 Pseudomonadotaᵀ Garrity et al. 2021
                 Class Gammaproteobacteriaᵀ Garrity et al. 2005
                   Order Enterobacterales Adeolu et al. 2016
                     Family Enterobacteriaceaeᵀ Rahn 1937 nom. cons. (Approved Lists 1980)
                       Genus Buttiauxella Ferragut et al. 1982
                         1 Buttiauxella agrestisᵀ Ferragut et al. 1982
                         2 Buttiauxella brennerae Müller et al. 1996
                         3 Buttiauxella ferragutiae Müller et al. 1996
                         4 Buttiauxella gaviniae Müller et al. 1996
                         5 Buttiauxella izardii Müller et al. 1996
                         6 Buttiauxella noackiae Müller et al. 1996
                         7 Buttiauxella warmboldiae Müller et al. 1996