"Heliobacterium" Gest and Favinger 1983 Dataset NCBI Taxonomy Classification phylum Bacillota class Clostridia order Eubacteriales family Heliobacteriaceae genus Heliobacterium Name Homonyms Heliobacterium "Heliobacterium" Gest and Favinger 1983 Heliobacterium Gest and Favinger 1985 emend. Kyndt et al. 2021 Heliobacterium Gest and Favinger 1985