Helicobacter CLO3 Dataset NCBI Taxonomy Classification phylum Campylobacterota class Epsilonproteobacteria order Campylobacterales family Helicobacteraceae genus Helicobacter species Helicobacter sp.Clo-3 Name Homonyms Helicobacter Helicobacter CLO3 Helicobacter Goodwin et al. 1989 emend. Vandamme et al. 1991