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 Bacillatiᵀ (Gibbons and Murray 1978) Oren and Göker 2024
               Phylum Mycoplasmatota Murray 2021 [monotypic]
                 Class Mollicutes Edward and Freundt 1967 (Approved Lists 1980)
                   Order Haloplasmatales Rainey et al. 2008 [monotypic]
                     Family Haloplasmataceaeᵀ Rainey et al. 2008
                       1 Genus Haloplasmaᵀ Antunes et al. 2008 [monotypic]
                       2 Genus "Candidatus Haladaptoplasma" Zhou et al. 2022 nom. pro-inval.
                       3 Genus "Candidatus Natronoplasma" Zhou et al. 2022 nom. pro-inval.
                       4 Genus "Candidatus Saliniplasma" Zhou et al. 2022 nom. pro-inval.