Actinomycetales Buchanan 1917 (Approved Lists 1980) emend Stackebrandt et al. 1997 Dataset NCBI Taxonomy Classification phylum Actinomycetota class Actinomycetes order Actinomycetales Name Homonyms Actinomycetales Actinomycetales Buchanan 1917 (Approved Lists 1980) emend. Zhi et al. 2009 Actinomycetales Buchanan 1917 (Approved Lists 1980) emend Stackebrandt et al. 1997