prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   Domain "Bacteria" Woese et al. 1990
     Phylum "Proteobacteria" Garrity et al. 2005 see Superphylum Proteobacteria Craig et al. 2010
       Class Gammaproteobacteria Garrity et al. 2005
         Order Oceanospirillales Garrity et al. 2005
           01 Family "Saccharospirillaceae" Garrity et al., 2003
           02 Family Alcanivoracaceae corrig. Golyshin et al. 2005
           03 Family Hahellaceae Garrity et al. 2005
           04 Family Halomonadaceae Franzmann et al. 1989
           05 Family Litoricolaceae Kim et al. 2007 [monotypic]
           06 Family Oceanospirillaceae Garrity et al. 2005
           07 Family Oleiphilaceae Golyshin et al. 2002 [monotypic]
           08 Genus Motiliproteus Wang et al. 2015, incertae sedis
           09 Genus Salicola Maturrano et al. 2006, incertae sedis
           10 Genus Spongiispira Kaesler et al. 2008, incertae sedis