glycocaulis abyssi glycocaulis abyssi glycocaulis abyssi is a bacterium from the genus of glycocaulis which has been isolated from a deep-sea hydrothermal vent near the vancouver island in canada. glycocaulis abyssi scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: caulobacterales family: maricaulaceae genus: glycocaulis species: g. abyssi binomial name glycocaulis abyssiabraham et al. 2013