"Heliobacterium undosum" Bryantseva et al. 2000 Dataset NCBI Taxonomy Classification phylum Bacillota class Clostridia order Eubacteriales family Heliobacteriaceae genus Heliomicrobium species Heliomicrobium undosum Name Homonyms "Heliobacterium undosum" Bryantseva et al. 2000 Heliobacterium undosum Heliobacterium undosum Bryantseva et al. 2001