cryptanaerobacter phenolicus cryptanaerobacter phenolicus cryptanaerobacter phenolicus is a gram-positive anaerobic bacterial species in the genus cryptanaerobacter. cryptanaerobacter phenolicus scientific classification domain: bacteria phylum: bacillota class: clostridia order: clostridiales family: peptococcaceae genus: cryptanaerobacter species: c. phenolicus binomial name cryptanaerobacter phenolicusjuteau et al. 2005 the genus cryptanaerobacter contains a single species, namely c. phenolicus (type species of the genus).; neo-latin noun phenol -olis, phenol; latin masculine gender suff. -icus, suffix used in adjectives with the sense of belonging to; neo-latin masculine gender adjective phenolicus, belonging to phenol.)