Helicobacter pylori (Marshall et al., 1985) Goodwin et al., 1989 Dataset Prokaryotic Nomenclature Up-to-Date (PNU) Rank SPECIES Published in Int. J. Syst. Bacteriol. 39::403 Classification genus Helicobacter species Helicobacter pylori Name Synonyms Campylobacter pylori Marshall et al., 1985 Campylobacter pylori subsp. pylori Helicobacter nemestrinae Bronsdon et al., 1991 Homonyms Helicobacter pylori (Marshall et al., 1985) Goodwin et al., 1989