[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 Epsilonproteobacteria Garrity et al. 2006 Order Nautiliales Miroshnichenko et al. 2004 Family Nautiliaceae Miroshnichenko et al. 2004 1 Genus Nautilia Miroshnichenko et al. 2002 2 Genus Caminibacter Alain et al. 2002 3 Genus Lebetimonas Takai et al. 2005 4 Genus Nitratifractor Nakagawa et al. 2005 5 Genus Nitratiruptor Nakagawa et al. 2005 6 Genus Thioreductor Nakagawa et al. 2005