K. H.  Barnard, ?Contributions to the knowledge of South African marine Mollusca. Part 7. Revised fauna list?, Annals of the South African Museum, vol. 47, pp. 663-781, 1974.

K. H.  Barnard, A beginner's guide to South African shells. Cape Town: Maskew Miller, Submitted, p. 215.

K. H.  Barnard, ?Contributions to the knowledge of South African marine Mollusca. Part 7. Revised fauna list?, Annals of the South African Museum, vol. 47, pp. 663-781, 1974.

K. H.  Barnard, A beginner's guide to South African shells. Cape Town: Maskew Miller, 1951, p. 215.