"Sphaerophorus varius var. sulfitoreductans" Sebald. 1962 Dataset NCBI Taxonomy Classification phylum Fusobacteriota class Fusobacteriia order Fusobacteriales family Fusobacteriaceae genus Fusobacterium species Fusobacterium varium Name Homonyms Sphaerophorus varius var. sulfitoreductans "Sphaerophorus varius var. sulfitoreductans" Sebald. 1962