Campylobacterales Garrity et al. 2006 Campylobacter Sebald and Véron 1963 (Approved Lists 1980) emend. Vandamme et al. 2010 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Campylobacterota Waite et al. 2021 Campylobacteria Waite et al. 2017 Campylobacterales Garrity et al. 2006 Campylobacteria Waite et al. 2017 Incertae sedis 576 Waite et al. 2019 Hydrogenimonaceae Garrity et al. 2004 Helicobacteraceae Garrity et al. 2006 emend. Waite et al. 2017 Campylobacteraceae Vandamme and De Ley 1991 emend. Waite et al. 2017 Arcobacteraceae Waite et al. 2020 Nitratiruptoraceae Waite et al. 2020 Sulfurospirillaceae Waite et al. 2020 Sulfurovaceae Waite et al. 2020 Thiovulaceae Waite et al. 2017 Sulfurimonadaceae Waite et al. 2020 Hydrogenimonadaceae (Garrity et al. 2004) Waite et al. 2020 Thiobarbaceae Assié et al. 2020 Waite D.W. Chuvochina M.S. Hugenholtz P. Whitman W.B. Road Map of the Phylum Campylobacterota 2014 1 3 Bergey's Manual of Systematics of Archaea and Bacteria John Wiley & Sons Hoboken, New Jersey 1118960602 10.1002/9781118960608.bm00040 Garrity G.M. Bell J.A. Lilburn T.G. Garrity G.M. Bell J.A. Lilburn T.G. Taxonomic outline of the Procaryotes. 2004 5 Taxonomic Outline of the Procaryotes, Bergey's Manual of Systematic Bacteriology, Second Edition. Release 5.0 Springer-Verlag New York 10.1007/bergeysoutline200405 Garrity G.M. Bell J.A. Lilburn T. Garrity G.M. Brenner D.J. Krieg N.R. Staley J.T. Order I. Campylobacterales ord. nov. 2005 2, Part C 2 1145 Bergey's Manual of Systematic Bacteriology Springer New York 0387241450 Garrity G.M. Bell J.A. Lilburn T. Garrity G.M. Brenner D.J. Krieg N.R. Staley J.T. Family II. Helicobacteraceae fam. nov. 2005 2, Part C 2 1168 Bergey's Manual of Systematic Bacteriology Springer New York 0387241450 Assié A. Leisch N. Meier D.V. Gruber-Vodicka H. Tegetmeyer H.E. Meyerdierks A. Kleiner M. Hinzke T. Joye S. Saxton M. Dubilier N. Petersen J.M. Horizontal acquisition of a patchwork Calvin cycle by symbiotic and free-living Campylobacterota (formerly Epsilonproteobacteria). 2020 14 1 104 122 The ISME Journal ISME J 1751-7362 1751-7370 10.1038/s41396-019-0508-7 31562384 Waite D.W. Vanwonterghem I. Rinke C. Parks D.H. Zhang Y. Takai K. Sievert S.M. Simon J. Campbell B.J. Hanson T.E. Woyke T. Klotz M.G. Hugenholtz P. Comparative Genomic Analysis of the Class Epsilonproteobacteria and Proposed Reclassification to Epsilonbacteraeota (phyl. nov.). 2017 8 682 682 Frontiers in Microbiology Front. Microbio. 1664-302X 10.3389/fmicb.2017.00682 28484436