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 Bacteroidota Krieg et al. 2021
                 Class Saprospiria Hahnke et al. 2018 [monotypic]
                   Order Saprospiralesᵀ Hahnke et al. 2017
                     Family Lewinellaceae Hahnke et al. 2017
                       Genus Lewinellaᵀ Sly et al. 1998
                         1 Lewinella agarilytica Lee 2007
                         2 Lewinella antarctica Oh et al. 2009
                         3 Lewinella cohaerens (Lewin 1970) Sly et al. 1998
                         4 Lewinella lutea Khan et al. 2007
                         5 Lewinella marina Khan et al. 2007
                         6 Lewinella nigricans (Lewin 1970) Sly et al. 1998
                         7 Lewinella persica (Lewin 1970) Sly et al. 1998