"Spherophorus necroticus" (Nativelle 1936) Prevot 1938 Dataset NCBI Taxonomy Classification phylum Fusobacteriota class Fusobacteriia order Fusobacteriales family Fusobacteriaceae genus Fusobacterium species Fusobacterium mortiferum Name Homonyms Spherophorus necroticus "Spherophorus necroticus" (Nativelle 1936) Prevot 1938