K. H.  Barnard, ?Contributions to the knowledge of South African marine mollusca. Pt.4. Gastropoda: Prosobranchiata: Rhipidoglossa, Docoglossa. Tectibranchiata. Polyplacophora. Solenogastres. Scaphopoda.?, Annals of the South African Museum, vol. 47, pp. 201-360, 30figs., 1963.

K. H.  Barnard, ?Deep sea Mollusca from west of Cape Point, South Africa?, Annals of the South African Museum, vol. 46, pp. 407-452, 11figs., 1963.