Procaryotic Genera Domain "Bacteria" Woese et al. 1990 Phylum Proteobacteria Garrity and Holt 2001 see Phylum Proteobacteria Garrity et al. 2005 Class "Gammaproteobacteria" nom. inval. see Class Gammaproteobacteria Garrity et al. 2005 Order "Alteromonadales" Garrity et al. 2001 nom. ined. [monotypic] see Order Alteromonadales Bowman and McMeekin 2005 Family "Alteromonadaceae" Ivanova and Mikhailov 2001 Genus Shewanella MacDonell and Colwell 1986