Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Bacteria Woese et al. 1990 [paraphyletic?] Superphylum "Proteobacteria" Craig et al. 2010 Phylum "Gammaproteobacteria" Garrity et al., 2005 [monotypic] Class Gammaproteobacteriaᵀ Garrity et al. 2005 Order Oceanospirillales Garrity et al. 2005 Family Oceanospirillaceaeᵀ Garrity et al. 2005 Genus Oceanospirillumᵀ Hylemon et al. 1973 (Approved Lists 1980) 1 Oceanospirillum beijerinckii (Williams and Rittenberg 1957) Hylemon et al. 1973 (Approved Lists 1980) 2 Oceanospirillum linum (Williams and Rittenberg 1957) Hylemon et al. 1973 (Approved Lists 1980) 3 Oceanospirillum maris Hylemon et al. 1973 (Approved Lists 1980) 4 Oceanospirillum multiglobuliferum (Terasaki 1973) Terasaki 1979 (Approved Lists 1980)