Propionispira Schink et al. 1983 emend. Ueki et al. 2014 Dataset NCBI Taxonomy Classification phylum Bacillota class Negativicutes order Selenomonadales family Selenomonadaceae genus Propionispira Name Homonyms Propionispira Propionispira Schink et al. 1983 emend. Ueki et al. 2014