Actinomyces naeslundii 'Howell 279' Dataset NCBI Taxonomy Classification phylum Actinomycetota class Actinomycetes order Actinomycetales family Actinomycetaceae genus Actinomyces species Actinomyces naeslundii Name Homonyms Actinomyces naeslundii Actinomyces naeslundii 'Howell 279' Actinomyces naeslundii Thompson and Lovestedt 1951 (Approved Lists 1980) emend. Nouioui et al. 2018 Actinomyces naeslundii Thompson and Lovestedt 1951 (Approved Lists 1980) emend. Henssge et al. 2009