Literature
  • 1988
  • Molluscs: Benthic Opisthobranchs (Mollusca: Gastropoda). Synopses of the British Fauna (N.S.)., 8 (Second Edition).
  • , Baxter 1987
  • Molluscs: Caudofoveata, Solenogastres, Polyplacophora and Scaphopoda. Synopses of the British Fauna (N.S.)., 37.