| Part 17 Actinomycetes and Related Organisms |
| Coryneform Group of Bacteria |
| Genus I Corynebacterium |
| Genus II Arthrobacter |
| Incert Sedis |
| Genus A Brevibacterium |
| Genus B Microbacterium |
| Genus III Cellulomonas |
| Genus IV Kurthia |
| Family I Propionibacteriaceae |
| Genus I Propionibacterium |
| Genus II Eubacterium |
| Order I Actinomecetaceae |
| Genus I Actinomycetes |
| Genus II Arachnia |
| Genus III Bifidobacterium |
| Genus IV Bacterionema |
| Genus V Rothia |
| Family II Mycobacteriaceae |
| Genus I Mycobacterium |
| Family III Grankiaceae |
| Genus I Frankia |
| Family IV Actinoplanaceae |
| Genus I Actinoplanes |
| Genus II Spirillospora |
| Genus III Streptosporangium |
| Genus IV Amorphosporangium |
| Genus V Ampullariella |
| Genus VI Pilimelia |
| Genus VII Planomonospora |
| Genus VIII Planobispora |
| Genus IX Dactylosporangium |
| Genus X Kitastoa |
| Family V Dermatophillaceae |
| Genus I Dermatophilus |
| Genus II Geodermatophilus |
| Family VI Nocardiaceae |
| Genus I Nocardia |
| Genus II Pseudonocardia |
| Family VII Streptomycetaceae |
| Genus I Streptomyces |
| Genus II Streptoverticillium |
| Genus III Sporichthya |
| Genus IV Microellobosporia |
| Family III Micromonosporaceae |
| Genus I Micromonospora |
| Genus II Thermoactinomyces |
| Genus III Actinobifida |
| Genus IV Thremomonospora |
| Genus V Microbispora |
| Genus VI Micropolyspora |





