Natura - nature
Status: extant
   actualia - actual entities
  Status: extant
     Mundus Plinius - physical world
    Status: extant
       naturalia - natural bodies
      Status: extant
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
        Distribution: cosmopolitan (marine, brackish, freshwater, terrestrial & aerial); Period: Archean - Present (3770 - 0 Mya); Status: extant
           Domain Bacteria Woese et al. 1990 [paraphyletic?]
          Distribution: cosmopolitan (marine, brackish, freshwater & terrestrial); Period: Archean - Present (3500 - 0 Mya); Status: extant
             Superphylum Terrabacteria Battistuzzi et al. 2004
            Status: extant
               Phylum Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980)
              Status: extant
                 Class Clostridia Rainey 2010
                Status: extant
                   Order Thermoanaerobacterales Wiegel 2010
                  Status: extant
                     Family Thermoanaerobacteraceaeᵀ Wiegel 2010
                    Status: extant
                       Genus Gelria Plugge et al. 2002 [monotypic]
                      Status: extant
                         1 Gelria glutamicaᵀ Plugge et al. 2002
                        Status: extant