Class Proteobacteria Stackebrandt et al. 1988 see Phylum Proteobacteria Garrity and Holt 2001
   Subclass gamma see Class Gammaproteobacteria nom. inval.
     Family Alteromonadaceae Ivanova and Mikhailov 2001
       Genus Pseudomonas Migula 1894 (Approved Lists 1980)
         "Pseudomonas piscicida" (Bein) J.D. Buck et al. 1963 see Pseudoalteromonas piscicida (ex Bein 1954) Gauthier et al. 1995