👉 Caldibacterium is a genus of bacteria in the phylum Firmicutes, which includes some of the most common and diverse microorganisms found on Earth. It belongs to the family Firmicutes and has been classified as a single species within the genus Caldicoccus. Ciliate-like structures are characteristic features of this genus, as they contain a large number of distinct caldibacterium spores that can be dispersed by wind or water.