cryptanaerobacter cryptanaerobacter cryptanaerobacter is a genus in the phylum bacillota (bacteria). cryptanaerobacter scientific classification domain: bacteria phylum: bacillota class: clostridia order: clostridiales family: peptococcaceae genus: cryptanaerobacter type species c. phenolicus etymology the name cryptanaerobacter derives from: greek cryptos (κρυπτός), hidden; an (ἄν), not; aer, aeros (ἀήρ, ἀέρος), air; neo-latin, a rod bacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; giving cryptanaerobacter, an anaerobic rod that is hidden within the consortium. species the genus contains a single species, cryptanaerobacter phenolicus (juteau et al. 2005, (ype species of the genus). the specific name is from latin phenol, phenol; icus, suffix used in adjectives with the sense of belonging to; giving phenolicus, belonging to phenol.)