[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   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 Alteromonadales Bowman and McMeekin 2005
           Family Pseudoalteromonadaceae Ivanova et al. 2004
             Genus Pseudoalteromonas Gauthier et al. 1995
               Pseudoalteromonas piscicida (ex Bein 1954) Gauthier et al. 1995