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] Clade neomura Cavalier-Smith, 1987 Domain Archaea Woese et al. 2024 [paraphyletic] Kingdom Methanobacteriati (Garrity and Holt 2023) Oren and Göker 2024 Phylum Methanobacteriotaᵀ Garrity and Holt 2023 Class Halobacteria Grant et al. 2002 Order Halobacterialesᵀ Grant and Larsen 1989 Family Halobacteriaceaeᵀ Gibbons 1974 (Approved Lists 1980) 01 Genus "Candidatus Halectosymbiota" corrig. Filker et al. 2020 02 Genus Haladaptatus Savage et al. 2007 03 Genus Halanaeroarchaeum Sorokin et al. 2016 04 Genus Halarchaeum Minegishi et al. 2010 05 Genus Haloarchaeobius Makhdoumi-Kakhki et al. 2012 [monotypic] 06 Genus Halobacteriumᵀ Elazari-Volcani 1957 (Approved Lists 1980) 07 Genus Halocalculus Minegishi et al. 2015 08 Genus Halocatena Verma et al. 2020 09 Genus Halodesulfurarchaeum Sorokin et al. 2017 10 Genus Halomarina Inoue et al. 2011 [monotypic] 11 Genus Halomicrococcus Chen et al. 2020 12 Genus Halorubellus Cui et al. 2014 13 Genus Halorussus Cui et al. 2014 [monotypic] 14 Genus Halospeciosus Li et al. 2024 15 Genus Halovenus Makhdoumi-Kakhki et al. 2012 [monotypic] 16 Genus Natribaculum Liu et al. 2015 17 Genus Natronomonas Kamekura et al. 1997 18 Genus Salarchaeum Shimane et al. 2011 19 Genus Salella Deshmukh and Oren 2023 20 Genus Salinibaculum Han and Cui 2020 21 Genus Salinirubellus Hou et al. 2018