Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Bacteria Woese et al. 2024 Kingdom Pseudomonadati (Gibbons and Murray 1978) Oren and Göker 2024 Phylum Pseudomonadotaᵀ Garrity et al. 2021 Class Gammaproteobacteriaᵀ Garrity et al. 2005 Order Chromatiales Imhoff 2005 Family Ectothiorhodospiraceae Imhoff 1984 01 Genus Acidihalobacter Cárdenas et al. 2015 02 Genus Alkalilimnicola corrig. Yakimov et al. 2001 03 Genus Alkalispirillum Rijkenberg et al. 2025 04 Genus Aquisalimonas Márquez et al. 2007 05 Genus Arhodomonas Adkins et al. 1993 06 Genus Ectothiorhodosinus Gorlenko et al. 2007 [monotypic] 07 Genus Ectothiorhodospiraᵀ Pelsh 1936 (Approved Lists 1980) 08 Genus Halofilum Xia et al. 2017 09 Genus Inmirania Slobodkina et al. 2016 10 Genus Methylohalomonas Sorokin et al. 2007 [monotypic] 11 Genus Methylonatrum Sorokin et al. 2007 [monotypic] 12 Genus Natronocella Sorokin et al. 2007 [monotypic] 13 Genus Natronospira Sorokin et al. 2017 14 Genus Nitrococcus Watson and Waterbury 1971 (Approved Lists 1980) [monotypic] 15 Genus Oceanococcus Li et al. 2014 [monotypic] 16 Genus Sediminicurvatus León et al. 2025 17 Genus Spiribacter León et al. 2014 18 Genus Thioalbus Park et al. 2011 19 Genus Thioalkalivibrio Sorokin et al. 2001 20 Genus Thiogranum Mori et al. 2015 21 Genus Thiohalomonas Sorokin et al. 2007 22 Genus Thiohalospira Sorokin et al. 2008 23 Genus Thiorhodospira Bryantseva et al. 1999 [monotypic] 24 Genus "Candidatus Endonucleariibacter" corrig. Dirren et al. 2021