Actinomyces howellii Dent and Williams 1984 Dataset NCBI Taxonomy Classification phylum Actinomycetota class Actinomycetes order Actinomycetales family Actinomycetaceae genus Actinomyces species Actinomyces howellii Name Homonyms Actinomyces howellii Actinomyces howellii Dent and Williams 1984