Hydrogenimonadaceae (Garrity et al. 2004) Waite et al. 2020 Hydrogenimonas Takai et al. 2004 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 Hydrogenimonadaceae (Garrity et al. 2004) Waite et al. 2020 Campylobacterales Garrity et al. 2006 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 Thiobarbaceae Assié et al. 2020 Hydrogenimonas Takai et al. 2004 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