Heterobranchia Burmeister, 1837

Sacoglossa Ihering, 1876

Family: Oxynoida Stoliczka, 1868

 

Family: Plakobranchidae Gray, 1840

Family: Hermaeidae H. & A. Adams, 1854

   

Family: Limapontiidae Gray, 1847

   
   

Family: Volvatellidae Pilsbry, 1895