prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 stat. inval.
   Domain "Bacteria" Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum "Proteobacteria" Garrity et al. 2005 stat. inval. see Phylum Pseudomonadota Garrity et al. 2021
       Class Gammaproteobacteria Garrity et al. 2005
         Order Cellvibrionales Spring et al. 2015
           1 Family Cellvibrionaceae Spring et al. 2015
           2 Family Halieaceae Spring et al. 2015
           3 Family Microbulbiferaceae Spring et al. 2015 [monotypic]
           4 Family Porticoccaceae Spring et al. 2015 [monotypic]
           5 Family Spongiibacteraceae Spring et al. 2015