coprothermobacteria coprothermobacteria coprothermobacteria is a taxonomic class of bacteria in the phylum coprothermobacterota. coprothermobacteria scientific classification domain: bacteria phylum: coprothermobacterota class: coprothermobacteriapavan et al. 2018 order coprothermobacterales 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.