procaryotes
   Domain Bacteria Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum Proteobacteria Garrity and Holt 2001 nom. nud. see Phylum Proteobacteria Garrity et al. 2005 stat. inval.
       Class "Betaproteobacteria" "Garrity and Holt 2001" nom. nud. see Class Betaproteobacteria Garrity et al. 2006
         Order "Neisseriales" "Garrity and Holt 2001" nom. nud. see Order Neisseriales Tønjum 2006
           Family Neisseriaceae Prévot 1933 (Approved Lists 1980)
             Genus Alysiella Langeron 1923 (Approved Lists 1980)