leptolinea leptolinea leptolinea is a bacteria genus from the family of anaerolineaceae with one known species (leptolinea tardivitalis). leptolinea scientific classification domain: bacteria phylum: chloroflexota class: anaerolineae order: anaerolineales family: anaerolineaceae genus: leptolineayamada et al. 2006 type species leptolinea tardivitalis species l. tardivitalis