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 "Betaproteobacteria" Garrity et al., 2006 [monotypic]
                 Class Betaproteobacteriaᵀ Garrity et al. 2006
                   Order Neisseriales Tønjum 2006
                     Family Neisseriaceaeᵀ Prévot 1933 (Approved Lists 1980)
                       Genus Crenobacter Dong et al. 2015
                       Genus Rivicola Sheu et al. 2014
                       Genus Snodgrassella Kwong and Moran 2013
                       01 Genus Neisseriaᵀ Trevisan 1885 (Approved Lists 1980)
                       02 Genus Alysiella Langeron 1923 (Approved Lists 1980)
                       03 Genus Amantichitinum Moß et al. 2013 [monotypic]
                       04 Genus Bergeriella Xie and Yokota 2005 [monotypic]
                       05 Genus Conchiformibius corrig. Xie and Yokota 2005
                       06 Genus Eikenella Jackson and Goodman 1972 (Approved Lists 1980) [monotypic]
                       07 Genus Kingella Henriksen and Bøvre 1976 (Approved Lists 1980)
                       08 Genus Morococcus Long et al. 1981 [monotypic]
                       09 Genus Prolinoborus Pot et al. 1992 [monotypic]
                       10 Genus Simonsiella Schmid 1922 (Approved Lists 1980) [monotypic]
                       11 Genus Stenoxybacter Wertz and Breznak 2008 [monotypic]
                       12 Genus Uruburuella Vela et al. 2005 [monotypic]
                       13 Genus Vitreoscilla Pringsheim 1949 (Approved Lists 1980)