[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   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
             Genus Marinospirillum Satomi et al. 1998
               1 Marinospirillum minutulum (Watanabe 1959) Satomi et al. 1998
               2 Marinospirillum alkaliphilum Zhang et al. 2002
               3 Marinospirillum insulare Satomi et al. 2004
               4 Marinospirillum megaterium Satomi et al. 1998