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 Alteromonasᵀ Baumann et al. 1972 (Approved Lists 1980)
         01 Alteromonas macleodii Baumann et al. 1972 (Approved Lists 1980)
         02 Alteromonas haloplanktis (ZoBell and Upham 1944) Reichelt and Baumann 1973 (Approved Lists 1980) see Pseudoalteromonas haloplanktis subsp. haloplanktis (ZoBell and Upham 1944) Gauthier et al. 1995
         02.1 "Alteromonas marinopraesens" nom. inval. see Alteromonas haloplanktis (ZoBell and Upham 1944) Reichelt and Baumann 1973 (Approved Lists 1980)
         03 Alteromonas communis Baumann et al. 1972 (Approved Lists 1980) see Marinomonas communis (Baumann et al. 1972) van Landschoot and De Ley 1984
         04 Alteromonas vaga Baumann et al. 1972 (Approved Lists 1980) see Marinomonas vaga (Baumann et al. 1972) van Landschoot and De Ley 1984
         05 Alteromonas rubra Gauthier 1976 (Approved Lists 1980) see Pseudoalteromonas rubra (Gauthier 1976) Gauthier et al. 1995
         06 Alteromonas citrea Gauthier 1977 (Approved Lists 1980) see Pseudoalteromonas citrea (Gauthier 1977) Gauthier et al. 1995
         07 Alteromonas luteoviolacea (ex Gauthier 1976) Gauthier 1982 see Pseudoalteromonas luteoviolacea (Gauthier 1982) Gauthier et al. 1995
         08 Alteromonas aurantia Gauthier and Breittmayer 1979 (Approved Lists 1980) see Pseudoalteromonas aurantia (Gauthier and Breittmayer 1979) Gauthier et al. 1995
         09 Alteromonas espejiana Chan et al. 1978 (Approved Lists 1980) see Pseudoalteromonas espejiana (Chan et al. 1978) Gauthier et al. 1995
         10 Alteromonas undina Chan et al. 1978 (Approved Lists 1980) see Pseudoalteromonas undina (Chan et al. 1978) Gauthier et al. 1995
         11 "Alteromonas putrefaciens" (ex Derby and Hammer 1931) Lee et al. 1981 see Shewanella putrefaciens (Lee et al. 1981) MacDonell and Colwell 1986
         12 "Alteromonas thalassomethanolica" nom. inval.
         13 Alteromonas nigrifaciens (ex White 1940) Baumann et al. 1984 see Pseudoalteromonas nigrifaciens (Baumann et al. 1984) Gauthier et al. 1995
         14 Alteromonas hanedai Jensen et al. 1981 see Shewanella hanedai (Jensen et al. 1981) MacDonell and Colwell 1986
         15 Alteromonas colwelliana Weiner et al. 1988 see Shewanella colwelliana (Weiner et al. 1988) Coyne et al. 1990
         16 Alteromonas denitrificans Enger et al. 1987 see Pseudoalteromonas denitrificans (Enger et al. 1987) Gauthier et al. 1995
         17 Alteromonas atlantica Akagawa-Matsushita et al. 1992 see Pseudoalteromonas atlantica (Akagawa-Matsushita et al. 1992) Gauthier et al. 1995
         18 Alteromonas carrageenovora Akagawa-Matsushita et al. 1992 see Pseudoalteromonas carrageenovora (Akagawa-Matsushita et al. 1992) Gauthier et al. 1995
         19 Alteromonas tetraodonis Simidu et al. 1990 see Pseudoalteromonas tetraodonis (Simidu et al. 1990) Ivanova et al. 2001
         20 "Alteromonas rava" Kodama et al. 1993
         21 Alteromonas fuliginea Romanenko et al. 1995 see Pseudoalteromonas citrea (Gauthier 1977) Gauthier et al. 1995
         22 Alteromonas distincta Romanenko et al. 1995 see Pseudoalteromonas distincta (Romanenko et al. 1995) Ivanova et al. 2000
         23 Alteromonas elyakovii Ivanova et al. 1997 see Pseudoalteromonas elyakovii (Ivanova et al. 1997) Sawabe et al. 2000
         24 "Alteromonas agarliquefaciens" nom. inval.
         25 Alteromonas infernus Raguénès et al. 1997