# Actinomycetia

The Actinomycetia are a class of bacteria.

## Taxonomy

The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) and National Center for Biotechnology Information (NCBI).
* Acidothermales Sen et al. 2014
* Actinomycetales Buchanan 1917 (Approved Lists 1980)
* ?Bifidobacteriales Stackebrandt et al. 1997
* Catenulisporales Donadio et al. 2015
* Cryptosporangiales Nouioui et al. 2018
* Frankiales Sen et al. 2014
* Geodermatophilales Sen et al. 2014
* ?Glycomycetales Labeda 2015
* Jatrophihabitantales Salam et al. 2020
* Jiangellales Tang et al. 2015
* Kineosporiales Kämpfer 2015
* ?Micrococcales Prévot 1940 (Approved Lists 1980)
* Micromonosporales Genilloud 2015
* Motilibacterales Salam et al. 2020
* Mycobacteriales Janke 1924 (Approved Lists 1980)
* Nakamurellales Sen et al. 2014
* Propionibacteriales (Rainey et al. 1997) Patrick and McDowell 2015
* Pseudonocardiales Labeda and Goodfellow 2015
* Sporichthyales Nouioui et al. 2018
* Streptomycetales Cavalier-Smith 2002
* Streptosporangiales Goodfellow 2015

## Phylogeny

| Whole-genome based phylogeny | 16S rRNA based LTP_08_2023 | 120 marker proteins based GTDB 08-RS214 |
| Nitriliruptoria Actinomycetia Frankiales Jiangellales Propionibacteriales Streptosporangiales Acidothermales Sporichthyales Catenulisporales Streptomycetales (incl. Kitasatosporales) Cryptosporangiales Glycomycetales (incl. ?Phytomonosporales) Micromonosporales (incl. Actinocatenisporales, Actinoplanetales) Jatrophihabitantales Geodermatophilales [incl. Antricoccales] Nakamurellales Mycobacteriales (incl. Corynebacteriales) Pseudonocardiales [incl. Actinopolysporales] Microbacteriales Kineosporiales (incl. Dermatophilales) Bifidobacteriales Actinomycetales Cellulomonadales (incl. Beutenbergiales; Bogoriellales; Cellulomonadales; Demequinales; Ruaniales) Micrococcales (incl. Dermabacterales; Brevibacteriales) | Acidimicrobiia Nitriliruptoria Actinomycetia Carbonactinosporaceae Acidothermales Jatrophihabitantales Frankiales Geodermatophilales (incl. Antricoccales) Cryptosporangiales Sporichthyales Nakamurellales Kineosporiales Actinomycetales (incl. Aquipuribacterales; Dermatophilales; Beutenbergiales; Bifidobacteriales; Bogoriellales; Cellulomonadales; Demequinales; Dermabacterales; Ruaniales; Brevibacteriales; Microbacteriales; Micrococcales) Catenulisporales Motilibacterales Streptomycetales (incl. Kitasatosporales) Streptosporangiales Propionibacteriales Jiangellales Micromonosporales (incl. Actinocatenisporales, Actinoplanetales, Glycomycetales, Phytomonosporales) Mycobacteriales (incl. Corynebacteriales) Pseudonocardiales (incl. Actinopolysporales) | Actinomycetia Nitriliruptoridae Actinobacteridae Actinomycetales Kineosporineae (incl. Kineosporiales, Aquipuribacterales; Dermatophilales) Actinomycetineae (incl. Beutenbergiales; Bifidobacteriales; Bogoriellales; Cellulomonadales; Demequinales; Dermabacterales; Ruaniales) Micrococcineae (incl. Brevibacteriales; Microbacteriales; Micrococcales) "Nanopelagicales" Jiangellales Propionibacteriales Motilibacterales Sporichthyales Streptomycetales (incl. Carbonactinosporaceae; Catenulisporales, Kitasatosporales) Streptosporangiales Acidothermales Mycobacteriales Frankineae (incl. Frankiales) Unnamed (incl. Antricoccales; Geodermatophilales; Jatrophihabitantales) Micromonosporineae (incl. Actinocatenisporales; Actinoplanetales; Cryptosporangiales; Glycomycetales; Micromonosporales; Phytomonosporales) Corynebacterineae (incl. Actinopolysporales; Corynebacteriales; Nakamurellales; Pseudonocardiales) |