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 Actinomycetota Goodfellow 2021
                 Class Nitriliruptoria Ludwig et al. 2013
                   1 Order Egibacterales Zhang et al. 2016 [monotypic]
                   2 Order Egicoccales Zhang et al. 2016 [monotypic]
                   3 Order Euzebyales Kurahashi et al. 2010 [monotypic]
                   4 Order Nitriliruptoralesᵀ Sorokin et al. 2009 [monotypic]
                   5 Order Salsipaludibacterales Almeida et al. 2022 [monotypic]
                   6 Order Stomatohabitantales Yang et al. 2024 [monotypic]