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 Alphaproteobacteria Garrity et al. 2006
                   Order Rickettsiales Gieszczykiewicz 1939 (Approved Lists 1980)
                     Family "Candidatus Midichloriaceae" Montagna et al. 2020
                       01 Genus "Candidatus Aquirickettsia" corrig. Klinges et al. 2021
                       02 Genus "Candidatus Bandiella" Senra et al. 2020
                       03 Genus "Candidatus Cyrtobacter" Vannini et al. 2020
                       04 Genus "Candidatus Defluviella" Boscaro et al. 2020
                       05 Genus "Candidatus Euplotella" Boscaro et al. 2022
                       06 Genus "Candidatus Fokinia" Szokoli et al. 2020
                       07 Genus "Candidatus Grelliella" corrig. Gruber-Vodicka et al. 2021
                       08 Genus "Candidatus Jidaibacter" Schulz et al. 2020
                       09 Genus "Candidatus Lariskella" Matsuura et al. 2020
                       10 Genus "Candidatus Midichloria"ᵀ Sassera et al. 2006
                       11 Genus "Pseudolyticum" Boss et al. 1987 nom. inval.