Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Bacteria Woese et al. 1990 [paraphyletic?] Superphylum Terrabacteria Battistuzzi et al. 2004 Phylum "Actinobacteria" Garrity and Holt 2001 Class Actinobacteriaᵀ Stackebrandt et al. 1997 Order Actinomycetalesᵀ Buchanan 1917 (Approved Lists 1980) Suborder Actinomycineaeᵀ Stackebrandt et al. 1997 [monotypic] Family Actinomycetaceaeᵀ Buchanan 1918 (Approved Lists 1980) [Genus Cladothrix Cohn (1875)] [Genus Discomyces] [Genus Oospora] [Genus Proactinomyces (K. Lehm. & Haag) H.L. Jensen (1934)] [Genus Streptothrix] 1 Genus Actinomycesᵀ Harz 1877 (Approved Lists 1980) 1.0 [Genus "Actinobacterium"] see Genus Actinomyces Harz 1877 (Approved Lists 1980) 1.0 [Genus "Actinocladothrix" nom. inval.] see Genus Actinomyces Harz 1877 (Approved Lists 1980) 1.0 [Genus "Brevistreptothrix"] see Genus Actinomyces Harz 1877 (Approved Lists 1980) 1.0 [Genus "Sarcomyces"] see Genus Actinomyces Harz 1877 (Approved Lists 1980) 2 Genus Actinobaculum Lawson et al. 1997 3 Genus Actinotignum Yassin et al. 2015 4 Genus Arcanobacterium Collins et al. 1983 5 Genus Flaviflexus Du et al. 2013 6 Genus Mobiluncus Spiegel and Roberts 1984 6.0 [Genus Falcivibrio Hammann et al. 1984] see Genus Mobiluncus Spiegel and Roberts 1984 7 Genus Trueperella Yassin et al. 2011 8 Genus Varibaculum Hall et al. 2003 [monotypic]