[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum "Proteobacteria" Garrity et al. 2005 see Superphylum Proteobacteria Craig et al. 2010
       Class Gammaproteobacteria Garrity et al. 2005
         Order "Enterobacteriales" Garrity and Holt 2001 nom. nud.
           Family Enterobacteriaceae Rahn 1937 (Approved Lists 1980)
             Genus Buttiauxella Ferragut et al. 1982
               1 Buttiauxella agrestis 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