Monotypic bacteria classes

Sphingobacteriia is a taxonomic class composed of a single order of environmental bacteria that are capable of producing sphingolipids. The earlier name Sphingibacteria was changed in 2011.

REDIRECT Bacteroidales

REDIRECT Erysipelotrichales

The Thermodesulfobacteria are a class of anaerobic, thermophilic, sulfate-reducing bacteria within the phylum Thermodesulfobacteriota.

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.

Coprothermobacteria is a taxonomic class of bacteria in the phylum Coprothermobacterota.

REDIRECT Green sulfur bacteria