[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum "Bacteroidetes" Garrity and Holt 2001 see Phylum Bacteroidetes Krieg et al. 2012
       Class "Sphingobacteria" see Class Sphingobacteriia Kämpfer 2012
         Order "Sphingobacteriales" Kämpfer, 2012 see Order Sphingobacteriales Kämpfer 2012
           Family "Flexibacteraceae" see Family Cytophagaceae Stanier 1940 (Approved Lists 1980)
             Genus Flectobacillus Larkin et al. 1977 (Approved Lists 1980)
               Flectobacillus major (Gromov 1963) Larkin et al. 1977 (Approved Lists 1980)