Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Bacteria Woese et al. 1990 [paraphyletic?] Superphylum "Proteobacteria" Craig et al. 2010 Phylum "Gammaproteobacteria" Garrity et al., 2005 [monotypic] Class Gammaproteobacteriaᵀ Garrity et al. 2005 Order Chromatiales Imhoff 2005 Family Ectothiorhodospiraceae Imhoff 1984 Genus Thioalkalivibrio Sorokin et al. 2001 1 Thioalkalivibrio denitrificans Sorokin et al. 2001 2 Thioalkalivibrio halophilus corrig. Banciu et al. 2005 3 Thioalkalivibrio jannaschii Sorokin et al. 2002 4 Thioalkalivibrio nitratireducens corrig. Sorokin et al. 2003 5 Thioalkalivibrio nitratis Sorokin et al. 2001 6 Thioalkalivibrio paradoxus Sorokin et al. 2002 7 Thioalkalivibrio thiocyanodenitrificans corrig. Sorokin et al. 2005 8 Thioalkalivibrio thiocyanoxidans Sorokin et al. 2002 9 Thioalkalivibrio versutus Sorokin et al. 2001