Actinomyces johnsonii Dataset NCBI Taxonomy Rank SPECIES Classification phylum Actinomycetota class Actinomycetes order Actinomycetales family Actinomycetaceae genus Actinomyces species Actinomyces johnsonii Name Synonyms Actinomyces johnsonii Henssge et al. 2009 Actinomyces naeslundii genospecies WVA 963 Homonyms Actinomyces johnsonii Actinomyces johnsonii Henssge et al. 2009