streptosporangiales streptosporangiales the streptosporangiales are an order of bacteria. streptosporangiales scientific classification kingdom: bacteria phylum: actinomycetota class: actinomycetia order: streptosporangialesgoodfellow 2015 families nocardiopsaceae rainey et al. 1996 streptosporangiaceae goodfellow et al. 1990 thermomonosporaceae rainey et al. 1997 treboniaceae rapoport et al. 2020 genera incertae sedis allonocardiopsis du et al. 2013 synonyms streptosporangineae ward-rainey et al. 1997 phylogeny the currently accepted taxonomy is based on the list of prokaryotic names with standing in nomenclature (lpsn). the phylogeny is based on whole-genome analysis. streptosporangiales allonocardiopsis nocardiopsaceae thermomonosporaceae streptosporangiaceae outgroup streptomycetales notes treboniaceae is not included in this phylogenetic tree.