Flexibacter sancti Lewin 1969 (Approved Lists 1980) Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Bacteroidota corrig. Krieg et al. 2021 Bacteroidetes (sic) Krieg et al. 2021 non Bacteroidetes Krieg 2012 Cytophagia Nakagawa 2012 emend. García-López et al. 2019 Cytophagales Leadbetter 1974 (Approved Lists 1980) emend. García-López et al. 2019 Cytophagaceae Stanier 1940 (Approved Lists 1980) emend. García-López et al. 2019 Flexibacter Soriano 1945 (Approved Lists 1980) emend. Hahnke et al. 2016 Flexibacter sancti Lewin 1969 (Approved Lists 1980) Flexibacter Soriano 1945 (Approved Lists 1980) emend. Hahnke et al. 2016 Flexibacter aurantiacus Lewin 1969 (Approved Lists 1980) Flexibacter elegans (ex Lewin 1969) Reichenbach 1989 Flexibacter roseolus Lewin 1969 (Approved Lists 1980) emend. Hahnke et al. 2016 Flexibacter ovolyticus Hansen et al. 1992 Flexibacter columnaris (ex Davis 1922) Bernardet and Grimont 1989 Flexibacter maritimus Wakabayashi et al. 1986 emend. Bernardet and Grimont 1989 Flexibacter filiformis (ex Solntseva 1940) Reichenbach 1989 Flexibacter ruber Lewin 1969 (Approved Lists 1980) Flexibacter tractuosus (Lewin 1969) Leadbetter 1974 (Approved Lists 1980) Flexibacter psychrophilus (ex Borg 1960) Bernardet and Grimont 1989 Flexibacter litoralis Lewin 1969 (Approved Lists 1980) Flexibacter japonensis Fujita et al. 1997 Flexibacter canadensis Christensen 1980 Flexibacter polymorphus Lewin 1974 (Approved Lists 1980) Flexibacter aggregans (Lewin 1969) Leadbetter 1974 (Approved Lists 1980) Flexibacter flexilis Soriano 1945 (Approved Lists 1980) emend. García-López et al. 2019 Flexibacter sancti Lewin 1969 (Approved Lists 1980) Chitinophaga sancti (Lewin 1969) Kämpfer et al. 2006 emend. Hahnke et al. 2016 Kämpfer P. Young C.C. Sridhar K.R. Arun A.B. Lai W.A. Shen F.T. Rekha P.D. Transfer of [Flexibacter] sancti, [Flexibacter] filiformis, [Flexibacter] japonensis and [Cytophaga] arvensicola to the genus Chitinophaga and description of Chitinophaga skermanii sp. nov. 2006 56 9 2223 2228 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.64359-0 16957125 Nakagawa Y. Sakane T. Suzuki M. Hatano K. Phylogenetic structure of the genera Flexibacter, Flexithrix, and Microscilla deduced from 16S rRNA sequence analysis 2002 48 155 165 Journal of General Microbiology J Gen Microbiol 0022-1287 12469298 Lewin R.A. A classification of flexibacteria 1969 58 189 206 Journal of General Microbiology J Gen Microbiol 0022-1287 10.1099/00221287-58-2-189 5360476