Actinomyces viscosus (Howell et al., 1965) Georg et al., 1969 Dataset Catalogue of Life Rank SPECIES Classification kingdom Bacteria phylum Actinobacteria order Actinomycetales family Actinomycetaceae genus Actinomyces species Actinomyces viscosus Name Homonyms Actinomyces viscosus (Howell et al., 1965) Georg et al., 1969