Sphaerotilus Kutzing, 1833 emend. Gridneva et al., 2011 Dataset Catalogue of Life Rank GENUS Classification kingdom Bacteria phylum Proteobacteria class Betaproteobacteria order Burkholderiales genus Sphaerotilus Name Homonyms Sphaerotilus Kutzing, 1833 emend. Gridneva et al., 2011