Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 1990 [paraphyletic?]
             Superphylum "Proteobacteria" Craig et al. 2010
               Phylum "Alphaproteobacteria" Garrity et al., 2006 [monotypic]
                 Class Alphaproteobacteriaᵀ Garrity et al. 2006
                   Order Rhodobacterales Garrity et al. 2006 [monotypic]
                     Family Rhodobacteraceaeᵀ Garrity et al. 2006
                       Genus Jannaschia Wagner-Döbler et al. 2003
                         1 Jannaschia aquimarina Park and Yoon 2012
                         2 Jannaschia cystaugens Adachi et al. 2004
                         3 Jannaschia donghaensis Yoon et al. 2007
                         4 Jannaschia faecimaris Jung and Yoon 2014
                         5 Jannaschia helgolandensisᵀ Wagner-Döbler et al. 2003
                         6 Jannaschia pohangensis Kim et al. 2008
                         7 Jannaschia rubra Macián et al. 2005
                         8 Jannaschia seohaensis Yoon et al. 2010
                         9 Jannaschia seosinensis Choi et al. 2006