Heterobranchia Burmeister, 1837

Cephalaspidea P. Fischer, 1883

Family: Aglajidae Pilsbry, 1895

Alacuppidae Oskars, Bouchet & Malaquias, 2015

   
   

Family: Bullidae Gray, 1827

   
   

Cylichnidae H. Adams & A. Adams, 1854

   
   

Family: Phylinidae Gray, 1850

Family: Haminoeidae Pilsbry, 1895

 
Haminoea hydatis (Linnaeus, 1758)
   
   
 
 

Family: Laonidae Pruvot-Fol, 1954

   
   

Family: Retusidae Thiele, 1925

Retusa mammillata (Philippi, 1836)
   
Retusa umbilicata (Montagu, 1803)
 

Rhizoridae Dell, 1952