Currently, this class is represented by a single order of bacteria, with only one family to which belongs a genus (Coprothermobacter) of non-motile, rod-shaped microorganisms that stain Gram-negative, are non-spore-forming, strictly anaerobic, thermophilic and chemoautotroph.[2]
^Pavan, María E.; Pavan, Esteban E.; Kämpfer, Peter; Pettinari, M. Julia; López, Nancy I. (2019-06-27), "Coprothermobacteria", Bergey's Manual of Systematics of Archaea and Bacteria, John Wiley & Sons, Ltd, p. 1, doi:10.1002/9781118960608.cbm00074, ISBN9781118960608