caloranaerobacter azorensis caloranaerobacter azorensis caloranaerobacter azorensis is a gram-negative, thermophilic, anaerobic, chemoorganotrophic and motile bacterium from the genus of caloranaerobacter which has been isolated from a deep-sea hydrothermal vent from the lucky strike hydrothermal vent site from the mid-atlantic ridge. caloranaerobacter azorensis scientific classification domain: bacteria phylum: bacillota class: clostridia order: clostridiales family: clostridiaceae genus: caloranaerobacter species: c. azorensis binomial name caloranaerobacter azorensiswery et al. 2001 type strain cncm i-2543, dsm 13643, mv1087