Williamsia spongiae Alfonso de Menezes et al. 2017 Dataset NCBI Taxonomy Classification kingdom Bacillati phylum Actinomycetota class Actinomycetes order Mycobacteriales family Nocardiaceae genus Williamsia species Williamsia spongiae Name Homonyms Williamsia spongiae Williamsia spongiae Alfonso de Menezes et al. 2017