serpentinicella serpentinicella serpentinicella is a gram-positive, anaerobic, alkaliphilic and spore-forming genus of bacteria from the family of clostridiaceae with one known species (serpentinicella alkaliphila). serpentinicella alkaliphila has been isolated from a hydrothermal vent from prony bay. serpentinicella scientific classification domain: bacteria phylum: bacillota class: clostridia order: clostridiales family: clostridiaceae genus: serpentinicellamei et al. 2016 species s. alkaliphila