Pelagibacter Rappé, Connon, Vergin & Giovannoni, 2002 Dataset World Register of Marine Species Rank GENUS Classification kingdom Bacteria phylum Proteobacteria class Alphaproteobacteria order Rickettsiales genus Candidatus Pelagibacter Name Homonyms Pelagibacter Rappé, Connon, Vergin & Giovannoni, 2002