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 Actinomycetesᵀ Krassilnikov 1949 (Approved Lists 1980)
                   Order Micrococcales Prévot 1940 (Approved Lists 1980)
                     Family Demequinaceae Ue et al. 2011 [monotypic]
                       Genus Demequinaᵀ Yi et al. 2007
                         1 Demequina aestuariiᵀ Yi et al. 2007
                         2 Demequina aurantiaca Ue et al. 2011
                         3 Demequina flava Hamada et al. 2013
                         4 Demequina globuliformis Ue et al. 2011
                         5 Demequina lutea Finster et al. 2009
                         6 Demequina oxidasica Ue et al. 2011
                         7 Demequina salsinemoris Matsumoto et al. 2010
                         8 Demequina sediminicola Hamada et al. 2013