aminiphilus aminiphilus aminiphilus is a gram-negative, non-spore-forming and motile genus of bacteria from the family of synergistaceae with one known species (aminiphilus circumscriptus). aminiphilus circumscriptus has been isolated from anaerobic sludge from colombia. aminiphilus scientific classification domain: bacteria phylum: synergistota class: synergistia order: synergistales family: synergistaceae genus: aminiphilusdíaz et al. 2007 type species aminiphilus circumscriptus species a. circumscriptus