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 Oceanospirillales Garrity et al. 2005
           Family Oceanospirillaceae Garrity et al. 2005
             01 Genus Amphritea Gärtner et al. 2008
             02 Genus Balneatrix Dauga et al. 1993
             03 Genus Bermanella Pinhassi et al. 2009
             04 Genus Corallomonas Chen et al. 2013
             05 Genus Litoribrevibacter Li et al. 2015
             06 Genus Marinomonas van Landschoot and De Ley 1984
             07 Genus Marinospirillum Satomi et al. 1998
             08 Genus Neptuniibacter Arahal et al. 2007
             09 Genus Neptunomonas Hedlund et al. 1999
             10 Genus Nitrincola Dimitriu et al. 2005
             11 Genus Oceaniserpentilla Schlösser et al. 2008
             12 Genus Oceanobacter Satomi et al. 2002
             13 Genus Oceanospirillum Hylemon et al. 1973 (Approved Lists 1980)
             14 Genus Oleibacter Teramoto et al. 2011 see Genus Thalassolituus Yakimov et al. 2004
             15 Genus Oleispira Yakimov et al. 2003
             16 Genus Pseudospirillum Satomi et al. 2002 nom. illeg. see Genus Allopseudospirillum Molinari Novoa and Oren 2023
             17 Genus Reinekea Romanenko et al. 2004
             18 Genus Thalassolituus Yakimov et al. 2004