Authors(s)	Thompson, T.E. & G.H. Brown
Year	1976
Title	British Opisthobranch Molluscs (Mollusca: Gastropoda). Synopses of the British Fauna (NS), 8: 1-203.

• Cephalaspidea
• Diaphana
• Diaphana minuta
• Diaphanidae
• Gastropoda
• Okenia quadricornis
• Opisthobranchia
• Retusidae
• Volvulella
• Volvulella acuminata