Sacoglossa Ihering, 1876 - sacoglossans
   Suborder Plakobranchacea Jensen, 1996 - non-shelled sacoglossans
     Superfamily Limapontioidea Gray, 1847
       Family Limapontiidae Gray, 1847
         1 Genus Placida Trinchese, 1876
         2 Genus Ercolania Trinchese, 1872
         3 Genus Stiliger Ehrenberg, 1828
         4 Genus Calliopaea d'Orbigny, 1837
         5 Genus Olea Agersborg, 1923
         6 Genus Alderia Allman, 1845
         7 Genus Alderiopsis Baba, 1968
         8 Genus Limapontia Johnston, 1836