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 Chloroflexota Garrity and Holt 2021
                 Class Anaerolineae Yamada et al. 2006
                   Order Anaerolinealesᵀ Yamada et al. 2006
                     Family Anaerolineaceaeᵀ Yamada et al. 2006
                       01 Genus Anaerolineaᵀ Sekiguchi et al. 2003
                       02 Genus Bellilinea Yamada et al. 2007 [monotypic]
                       03 Genus Leptolinea Yamada et al. 2006 [monotypic]
                       04 Genus Levilinea Yamada et al. 2006 [monotypic]
                       05 Genus Longilinea Yamada et al. 2007 [monotypic]
                       06 Genus Ornatilinea Podosokorskaya et al. 2013 [monotypic]
                       07 Genus Pelolinea Imachi et al. 2014 [monotypic]
                       08 Genus "Candidatus Brevifilum" corrig. McIlroy et al. 2020
                       09 Genus "Candidatus Defluviilinea" Petriglieri et al. 2023 nom. pro-inval.
                       10 Genus "Candidatus Denitrolinea" Okubo et al. 2022
                       11 Genus "Candidatus Mesolinea" Bedoya-Urrego and Alzate 2024 nom. pro-inval.
                       12 Genus "Candidatus Tricholinea" Petriglieri et al. 2023 nom. pro-inval.
                       13 Genus "Candidatus Villigracilis" Nierychlo et al. 2021