catenococcus catenococcus catenococcus is a gram-negative and facultatively anaerobic genus of bacteria from the family of vibrionaceae with one known species (catenococcus thiocycli). catenococcus scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: vibrionales family: vibrionaceae genus: catenococcussorokin 1994 type species catenococcus thiocycli species catenococcus thiocycli