Hyphomicrobium Stutzer & Hartleb, 1899 emend. Urakami et al., 1995 Dataset Catalogue of Life Rank GENUS Classification kingdom Bacteria phylum Proteobacteria class Alphaproteobacteria order Rhizobiales family Hyphomicrobiaceae genus Hyphomicrobium Name Homonyms Hyphomicrobium Stutzer & Hartleb, 1899 emend. Urakami et al., 1995