Pseudoalteromonas haloplanktis

{{Short description|Species of bacterium}}

{{Speciesbox

| genus = Pseudoalteromonas

| species = haloplanktis

| authority = (ZoBell and Upham 1944)
Gauthier et al. 1995

| synonyms = Vibrio haloplanktis ZoBell and Upham 1944
Vibrio marinopraesens ZoBell and Upham 1944
Alteromonas marinopraesens (ZoBell and Upham 1944) Baumann et al. 1972
Alteromonas haloplanktis (ZoBell and Upham 1944) Reichelt and Baumann 1973
Pseudomonas enalia

}}

Pseudoalteromonas haloplanktis is a Gram-negative, psychrophilic marine bacterium.{{cite journal|title=Structural investigation and biological activity of the lipooligosaccharide from the psychrophilic bacterium Pseudoalteromonas haloplanktis TAB 23|url=https://pubmed.ncbi.nlm.nih.gov/21557359/|journal=Chemistry: A European Journal|doi=10.1002/chem.201100579|accessdate=5 November 2021|date=June 2011|volume=17|issue=25|pages=7053–7060|pmid=21557359|last1=Carillo |first1=Sara |last2=Pieretti |first2=Giuseppina |last3=Parrilli |first3=Ermenegilda |last4=Tutino |first4=Maria L. |last5=Gemma |first5=Sabrina |last6=Molteni |first6=Monica |last7=Lanzetta |first7=Rosa |last8=Parrilli |first8=Michelangelo |last9=Corsaro |first9=Maria M. }}