Acidimicrobiia

The Acidimicrobiia are a class of Actinomycetota, in which three families, eight genera, and nine species have been described, Acidimicrobium ferrooxidans is the type species of the order.

Phylogeny
The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) and National Center for Biotechnology Information (NCBI).

Genera incertae sedis

 * "Spongiisociales" Nguyen 2022
 * "Spongiisociaceae" Nguyen 2022
 * "Candidatus Spongiisocius" Nguyen 2022
 * Acidimicrobiales
 * Acidithiomicrobium Davis-Belmar & Norris 2009
 * "Microtrichaceae"
 * "Candidatus Limnosphaera" Kim, Kang & Cho 2017