jonquetella jonquetella jonquetella is a gram-negative and strictly aerobic genus of bacteria from the family of synergistaceae with one known species (jonquetella anthropi). jonquetella anthropi has been isolated from a human cyst from montpellier in france. jonquetella scientific classification domain: bacteria phylum: synergistota class: synergistia order: synergistales family: synergistaceae genus: jonquetellajumas-bilak et al. 2007 type species jonquetella anthropi species j. anthropi